for (J1 = 1; J1 <= m; J1++) {
do{
if (t[J1] <= x[ii]){
break;
}
K1 = ii;
ii = ii + 1;
} while(true);
H1 = t[J1] - x[K1];
H2 = t[J1] - x[ii];
H3 = H1 * H2;
H4 = S2[K1] + H1 * S[K1];
Z = (S2[ii] + S2[K1] + H4) / 6;
f[J1] = y[K1] + H1 * dy[K1] + H3 * Z;
f1[J1] = dy[K1] + Z * (H1 + H2) + H3 * S[K1] / 6;
f2[J1] = H4;
}
do{
if (t[J1] <= x[ii]){
break;
}
K1 = ii;
ii = ii + 1;
} while(true);
H1 = t[J1] - x[K1];
H2 = t[J1] - x[ii];
H3 = H1 * H2;
H4 = S2[K1] + H1 * S[K1];
Z = (S2[ii] + S2[K1] + H4) / 6;
f[J1] = y[K1] + H1 * dy[K1] + H3 * Z;
f1[J1] = dy[K1] + Z * (H1 + H2) + H3 * S[K1] / 6;
f2[J1] = H4;
}
解决方案 »
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