signm

Arguments

А

real or complex matrix

X

real or complex matrix

Description

For square and Hermitian matrices X=signm(A) is matrix signum function.

Examples

A=rand(4,4);
B=A+A';
X=signm(B);
spec(B),spec(X)

See also

• csgn — returns the sign of a vector of real of complex values
• sign — signum function