| public eval_jac_g ( int n, double x, bool new_x, int m, int nele_jac, int iRow, int jCol, double values ) : bool | ||
| n | int | |
| x | double | |
| new_x | bool | |
| m | int | |
| nele_jac | int | |
| iRow | int | |
| jCol | int | |
| values | double | |
| return | bool | |
public override bool eval_jac_g(int n, double[] x, bool new_x, int m, int nele_jac, int[] iRow, int[] jCol, double[] values)
{
if (values == null)
{
/* set the structure of the jacobian */
/* this particular jacobian is dense */
iRow[0] = 0;
jCol[0] = 0;
iRow[1] = 0;
jCol[1] = 1;
iRow[2] = 1;
jCol[2] = 0;
iRow[3] = 1;
jCol[3] = 1;
iRow[4] = 2;
jCol[4] = 0;
iRow[5] = 2;
jCol[5] = 1;
iRow[6] = 3;
jCol[6] = 0;
iRow[7] = 3;
jCol[7] = 1;
iRow[8] = 4;
jCol[8] = 0;
iRow[9] = 4;
jCol[9] = 1;
}
else
{
/* return the values of the jacobian of the constraints */
values[0] = 1.0;
values[1] = 1.0;
values[2] = 2.0 * x[0];
values[3] = 2.0 * x[1];
values[4] = 18.0 * x[0];
values[5] = 2.0 * x[1];
values[6] = 2.0 * x[0];
values[7] = -1.0;
values[8] = -1.0;
values[9] = 2.0 * x[0];
}
return true;
}
