Solving sparse linear equations in matlab

Question

I have a sparse matrix A of very high dimension around 30000x30000 . And my equation is something like this:

Ax=b.

I cannot take the inverse of A. So how can I solve the value of x in matlab.

Answer 1

您可以将反斜杠运算符与稀疏矩阵一起使用：

x = A\b;