signm

matrix signum function

Calling Sequence

X=signm(A)

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