# normest: Estimated Matrix Norm In pracma: Practical Numerical Math Functions

## Description

Estimate the 2-norm of a real (or complex-valued) matrix. 2-norm is also the maximum absolute eigenvalue of M, computed here using the power method.

## References

Trefethen, L. N., and D. Bau III. (1997). Numerical Linear Algebra. SIAM, Philadelphia.

cond, svd

## Examples

 1 2 normest(magic(5)) == max(svd(magic(5))\$d) # TRUE normest(magic(100)) # 500050 

pracma documentation built on June 21, 2017, 9:01 a.m.