1 | /* |
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2 | * optimtpm.c Adachi, J. 1994.11.16 |
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3 | * Copyright (C) 1992-1994 J. Adachi & M. Hasegawa; All rights reserved. |
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4 | */ |
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5 | |
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6 | double |
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7 | abfunc(ab) |
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8 | double ab; |
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9 | { |
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10 | Node *rp; |
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11 | |
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12 | AlphaBeta = ab; |
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13 | tranprobmat(); |
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14 | fmlength(Ctree, Distanmat, Maxspc); |
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15 | /* lslength(Ctree, Distanvec, Maxspc); */ |
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16 | initpartlkl(Ctree); |
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17 | rp = (Node *)mlikelihood(Ctree); |
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18 | return Ctree->lklhd; |
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19 | } /* abfunc */ |
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20 | |
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21 | |
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22 | double |
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23 | ayrfunc(ayr) |
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24 | double ayr; |
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25 | { |
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26 | Node *rp; |
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27 | |
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28 | AlphaYR = ayr; |
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29 | tranprobmat(); |
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30 | fmlength(Ctree, Distanmat, Maxspc); |
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31 | /* lslength(Ctree, Distanvec, Maxspc); */ |
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32 | initpartlkl(Ctree); |
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33 | rp = (Node *)mlikelihood(Ctree); |
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34 | return Ctree->lklhd; |
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35 | } /* ayrfunc */ |
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36 | |
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37 | |
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38 | double |
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39 | b12func(b12) |
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40 | double b12; |
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41 | { |
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42 | Node *rp; |
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43 | |
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44 | Beta12 = b12; |
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45 | tranprobmat(); |
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46 | fmlength(Ctree, Distanmat, Maxspc); |
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47 | /* lslength(Ctree, Distanvec, Maxspc); */ |
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48 | initpartlkl(Ctree); |
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49 | rp = (Node *)mlikelihood(Ctree); |
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50 | return Ctree->lklhd; |
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51 | } /* b12func */ |
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52 | |
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53 | |
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54 | double |
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55 | optimab(x1, x2, x3, f1, f2, f3, func, eps) |
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56 | double x1, x2, x3, f1, f2, f3; |
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57 | double (*func)(); |
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58 | double eps; |
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59 | { |
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60 | int i; |
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61 | double xa, fa, dl, dr, gold; |
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62 | |
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63 | gold = 0.38197; |
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64 | for (i = 0; (x3 - x1) > eps; i++) { |
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65 | if (Info_optn) |
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66 | printf("%-3d%8.3f%8.3f%8.3f%13.3f%13.3f%13.3f\n", |
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67 | i,x1,x2,x3,f1,f2,f3); |
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68 | dl = x2 - x1; |
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69 | dr = x3 - x2; |
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70 | if (dl > dr) { |
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71 | xa = x2 - gold * dl; |
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72 | } else { |
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73 | xa = x2 + gold * dr; |
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74 | } |
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75 | fa = (*func)(xa); |
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76 | if (dl > dr) { |
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77 | if (fa > f2) { |
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78 | x3 = x2; f3 = f2; x2 = xa; f2 = fa; |
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79 | } else { |
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80 | x1 = xa; f1 = fa; |
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81 | } |
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82 | } else { |
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83 | if (fa > f2) { |
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84 | x1 = x2; f1 = f2; x2 = xa; f2 = fa; |
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85 | } else { |
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86 | x3 = xa; f3 = fa; |
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87 | } |
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88 | } |
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89 | if (i > 30) break; |
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90 | } |
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91 | if (f3 > f2) { |
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92 | x2 = x3; f2 = f3; |
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93 | } else if (f1 > f2) { |
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94 | x2 = x1; f2 = f1; |
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95 | } |
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96 | /* printf(" opt. para: %.3f Max. ln likelihood: %.3f\n", x2, f2); */ |
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97 | return x2; |
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98 | } /* optimab */ |
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99 | |
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100 | |
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101 | void |
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102 | optimtpm() |
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103 | { |
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104 | int i, loop; |
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105 | char buf[64]; |
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106 | double x1, x2, x3, f1, f2, f3, ab, ayr, b12, eps1, eps2, eps; |
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107 | double abold, ayrold, b12old, dab, dayr, db12; |
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108 | boolean ayr_mode, b12_mode; |
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109 | |
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110 | #if 0 |
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111 | for (i = 5; i < 500; i += 5) { |
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112 | ab = 0.1 * i; |
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113 | f1 = abfunc(ab); |
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114 | printf("%5.1f %15.3f\n", ab, f1); |
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115 | } |
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116 | exit(1); |
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117 | #endif |
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118 | |
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119 | Topting = TRUE; |
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120 | eps = 0.005; |
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121 | /* printf("Alpha/Beta: %.3f AlphaY/AlphaR: %.3f\n", AlphaBeta, AlphaYR); */ |
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122 | ayr_mode = FALSE; |
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123 | b12_mode = FALSE; |
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124 | if (Toptim_optn == 1) { |
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125 | eps1 = eps; |
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126 | } else { |
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127 | if (Toptim_optn == 3) { |
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128 | ayr_mode = TRUE; |
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129 | } else if (Toptim_optn == 5) { |
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130 | b12_mode = TRUE; |
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131 | } else { |
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132 | ayr_mode = TRUE; |
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133 | b12_mode = TRUE; |
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134 | } |
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135 | eps1 = 4.0; |
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136 | } |
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137 | x1 = 10.0; |
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138 | x3 = 15.0; |
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139 | f1 = abfunc(x1); |
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140 | f3 = abfunc(x3); |
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141 | if (f1 > f3) { |
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142 | x2 = x1; f2 = f1; |
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143 | x1 = MINAB; |
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144 | f1 = abfunc(x1); |
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145 | } else { |
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146 | x2 = x3; f2 = f3; |
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147 | x3 = MAXAB; |
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148 | f3 = abfunc(x3); |
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149 | } |
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150 | AlphaBeta = ab = optimab(x1, x2, x3, f1, f2, f3, abfunc, eps1); |
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151 | |
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152 | if (ayr_mode) { |
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153 | if (Info_optn) putchar('\n'); |
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154 | eps2 = 0.1; |
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155 | x1 = 0.5; |
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156 | x3 = 1.0; |
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157 | f1 = ayrfunc(x1); |
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158 | f3 = ayrfunc(x3); |
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159 | if (f1 > f3) { |
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160 | x2 = x1; f2 = f1; |
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161 | x1 = MINAYR; |
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162 | f1 = ayrfunc(x1); |
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163 | } else { |
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164 | x2 = x3; f2 = f3; |
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165 | x3 = MAXAYR; |
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166 | f3 = ayrfunc(x3); |
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167 | } |
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168 | AlphaYR = ayr = optimab(x1, x2, x3, f1, f2, f3, ayrfunc, eps2); |
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169 | |
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170 | dab = 9.0; |
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171 | dayr = 0.2; |
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172 | if (Info_optn) putchar('\n'); |
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173 | if (Info_optn) printf("A/B: %.3f Ay/Ar: %.3f", ab,ayr); |
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174 | if (Info_optn) printf(" %.4f %.4f", dab,dayr); |
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175 | if (Info_optn) putchar('\n'); |
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176 | for (loop = 0; dab > eps || dayr > eps; loop++) { |
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177 | if (loop < 1) { |
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178 | eps1 = 2.0; eps2 = 0.05; |
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179 | } else if (loop < 2) { |
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180 | eps1 = 0.5; eps2 = eps; |
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181 | } else if (loop < 3) { |
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182 | eps1 = 0.05; eps2 = eps; |
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183 | } else { |
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184 | eps1 = eps; eps2 = eps; |
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185 | } |
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186 | |
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187 | if (dab < eps) dab = eps; |
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188 | x1 = ab; |
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189 | (ab + 1.0) < MAXAB ? (x3 = ab + 1.0) : (x3 = MAXAB); |
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190 | f1 = abfunc(x1); |
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191 | f3 = abfunc(x3); |
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192 | if (f1 > f3) { |
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193 | x2 = x1; f2 = f1; |
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194 | (x2 - dab) > MINAB ? (x1 = x2 - dab) : (x1 = MINAB); |
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195 | f1 = abfunc(x1); |
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196 | } else { |
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197 | x2 = x3; f2 = f3; |
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198 | (x2 + dab) < MAXAB ? (x3 = x2 + dab) : (x3 = MAXAB); |
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199 | f3 = abfunc(x3); |
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200 | } |
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201 | abold = ab; |
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202 | AlphaBeta = ab = optimab(x1, x2, x3, f1, f2, f3, abfunc, eps1); |
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203 | dab = fabs(ab - abold); |
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204 | |
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205 | if (dayr < eps) dayr = eps; |
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206 | (ayr - 0.02) > MINAYR ? (x1 = ayr - 0.02) : (x1 = MINAYR); |
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207 | x3 = ayr; |
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208 | f1 = ayrfunc(x1); |
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209 | f3 = ayrfunc(x3); |
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210 | if (f1 > f3) { |
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211 | x2 = x1; f2 = f1; |
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212 | (x2 - dayr) > MINAYR ? (x1 = x2 - dayr) : (x1 = MINAYR); |
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213 | f1 = ayrfunc(x1); |
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214 | } else { |
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215 | x2 = x3; f2 = f3; |
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216 | (x2 + dayr) < MAXAYR ? (x3 = x2 + dayr) : (x3 = MAXAYR); |
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217 | f3 = ayrfunc(x3); |
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218 | } |
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219 | ayrold = ayr; |
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220 | AlphaYR = ayr = optimab(x1, x2, x3, f1, f2, f3, ayrfunc, eps2); |
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221 | dayr = fabs(ayr - ayrold); |
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222 | if (Info_optn) putchar('\n'); |
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223 | if (Info_optn) printf("A/B: %.3f Ay/Ar: %.3f", ab,ayr); |
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224 | if (Info_optn) printf(" %.4f %.4f", dab,dayr); |
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225 | if (Info_optn) putchar('\n'); |
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226 | } |
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227 | } |
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228 | |
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229 | if (b12_mode) { |
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230 | if (Info_optn) putchar('\n'); |
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231 | eps2 = 0.1; |
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232 | x1 = 0.5; |
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233 | x3 = 1.0; |
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234 | f1 = b12func(x1); |
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235 | f3 = b12func(x3); |
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236 | if (f1 > f3) { |
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237 | x2 = x1; f2 = f1; |
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238 | x1 = MINB12; |
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239 | f1 = b12func(x1); |
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240 | } else { |
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241 | x2 = x3; f2 = f3; |
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242 | x3 = MAXB12; |
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243 | f3 = b12func(x3); |
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244 | } |
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245 | Beta12 = b12 = optimab(x1, x2, x3, f1, f2, f3, b12func, eps2); |
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246 | |
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247 | dab = 9.0; |
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248 | db12 = 0.2; |
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249 | if (Info_optn) putchar('\n'); |
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250 | if (Info_optn) printf("A/B: %.3f B1/B2: %.3f", ab,b12); |
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251 | if (Info_optn) printf(" %.4f %.4f", dab,db12); |
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252 | if (Info_optn) putchar('\n'); |
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253 | for (loop = 0; dab > eps || db12 > eps; loop++) { |
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254 | if (loop < 1) { |
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255 | eps1 = 2.0; eps2 = 0.05; |
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256 | } else if (loop < 2) { |
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257 | eps1 = 0.5; eps2 = eps; |
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258 | } else if (loop < 3) { |
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259 | eps1 = 0.05; eps2 = eps; |
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260 | } else { |
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261 | eps1 = eps; eps2 = eps; |
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262 | } |
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263 | |
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264 | if (dab < eps) dab = eps; |
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265 | x1 = ab; |
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266 | (ab + 1.0) < MAXAB ? (x3 = ab + 1.0) : (x3 = MAXAB); |
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267 | f1 = abfunc(x1); |
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268 | f3 = abfunc(x3); |
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269 | if (f1 > f3) { |
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270 | x2 = x1; f2 = f1; |
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271 | (x2 - dab) > MINAB ? (x1 = x2 - dab) : (x1 = MINAB); |
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272 | f1 = abfunc(x1); |
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273 | } else { |
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274 | x2 = x3; f2 = f3; |
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275 | (x2 + dab) < MAXAB ? (x3 = x2 + dab) : (x3 = MAXAB); |
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276 | f3 = abfunc(x3); |
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277 | } |
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278 | abold = ab; |
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279 | AlphaBeta = ab = optimab(x1, x2, x3, f1, f2, f3, abfunc, eps1); |
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280 | dab = fabs(ab - abold); |
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281 | |
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282 | if (db12 < eps) db12 = eps; |
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283 | (b12 - 0.02) > MINB12 ? (x1 = b12 - 0.02) : (x1 = MINB12); |
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284 | x3 = b12; |
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285 | f1 = b12func(x1); |
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286 | f3 = b12func(x3); |
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287 | if (f1 > f3) { |
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288 | x2 = x1; f2 = f1; |
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289 | (x2 - db12) > MINB12 ? (x1 = x2 - db12) : (x1 = MINB12); |
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290 | f1 = b12func(x1); |
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291 | } else { |
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292 | x2 = x3; f2 = f3; |
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293 | (x2 + db12) < MAXB12 ? (x3 = x2 + db12) : (x3 = MAXB12); |
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294 | f3 = b12func(x3); |
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295 | } |
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296 | b12old = b12; |
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297 | Beta12 = b12 = optimab(x1, x2, x3, f1, f2, f3, b12func, eps2); |
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298 | db12 = fabs(b12 - b12old); |
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299 | if (Info_optn) putchar('\n'); |
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300 | if (Info_optn) printf("A/B: %.3f B1/B2: %.3f", ab,b12); |
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301 | if (Info_optn) printf(" %.4f %.4f", dab,db12); |
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302 | if (Info_optn) putchar('\n'); |
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303 | } |
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304 | } |
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305 | |
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306 | if (!Ctacit_optn) { |
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307 | printf("Alpha/Beta: %.3f", AlphaBeta); |
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308 | if (AlphaYR != 1.0) printf(" AlphaY/AlphaR: %.3f", AlphaYR); |
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309 | if (Beta12 != 1.0) printf(" Beta1/Beta2: %.3f", Beta12); |
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310 | putchar('\n'); |
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311 | } |
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312 | |
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313 | #if 0 |
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314 | *Modelname = '\0'; |
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315 | sprintf(buf, "A/B:%.2f", AlphaBeta); |
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316 | strcat(Modelname, buf); |
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317 | if (AlphaYR != 1.0) { |
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318 | sprintf(buf, " Ay/Ar:%.2f", AlphaYR); |
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319 | strcat(Modelname, buf); |
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320 | } |
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321 | if (Beta12 != 1.0) { |
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322 | sprintf(buf, " B1/B2:%.2f", Beta12); |
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323 | strcat(Modelname, buf); |
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324 | } |
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325 | if (Frequ_optn) strcat(Modelname, " F"); |
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326 | /* printf("\"%s\"\n", Modelname); */ |
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327 | #endif |
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328 | |
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329 | Topting = FALSE; |
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330 | } /* optimtpm */ |
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