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| void TrainOnce(BPNetWork* network) { for (int a = 1; a <= OUTNS; a++) { double* s = &SF(LS,a); double o = OF(LS, a); *s = (2.0 / OUTNS) * (o - TAS(a))* f_(o); *b = *b - LN * (*s); for (int aa = 1; aa <=NS(LS-1) ; aa++) { double* w = &WF(LS, a, aa); *w = *w - LN * (*s) * OF(LS-1, aa); } } for (int a = LS-1; a > 2; a--) { for (int n = 1; n <= NS(a); n++) { double* s = &SF(a, n); *s = 0; double* b = &BF(a, n); double o = OF(a, n); for (int nn = 1; nn <= NS(a+1); nn++) { double lw = WF(a + 1, nn, n); double ls = SF(a + 1, nn); *s += ls * lw * f_(o); } *b = *b - LN * (*s); for (int nn = 1; nn <= NS(a - 1); nn++) { double* w = &WF(a, n, nn); *w = *w - LN * (*s) *OF(a - 1, nn); } } } for (int n = 1; n <= NS(2); n++) { double* s = &SF(2, n); *s = 0; double* b = &BF(2, n); double o = OF(2, n); for (int nn = 1; nn <= NS(3); nn++) { double lw = WF(3, nn, n); double ls = SF(3, nn); *s += ls * lw * f_(o); } *b = *b - LN * (*s); for (int nn = 1; nn <= INNS; nn++) { double* w = &WF(2, n, nn); *w = *w - LN * (*s) * INS(nn); } } }
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