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help on a least square problem

help on a least square problem# Computation - 科学计算

j*y2003-06-20 07:06

1 楼

want to solve Ax = b,
A is square but singlur,
is there any stable algorithm (well-behaved) to solve this?
thanks

i*t2003-06-20 07:06

2 楼

MATLAB doesn't work out?

【在 j**y 的大作中提到】

: want to solve Ax = b,
: A is square but singlur,
: is there any stable algorithm (well-behaved) to solve this?
: thanks

g*i2003-06-20 07:06

3 楼

svd works. though it's expensive

【在 j**y 的大作中提到】

: want to solve Ax = b,
: A is square but singlur,
: is there any stable algorithm (well-behaved) to solve this?
: thanks