b*y
2 楼
you can perturb the Jacobian if it's close to singular. If it's always singular,
i guess there might be dependence among equations.
【在 a**a 的大作中提到】
: 如果非线性方程组的Jacobian矩阵接近奇异，有什么办法处理该方程组使得求解比较
: 可行？
i guess there might be dependence among equations.
【在 a**a 的大作中提到】
: 如果非线性方程组的Jacobian矩阵接近奇异，有什么办法处理该方程组使得求解比较
: 可行？
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