Name
sqrtm — matrix square root
Calling Sequence
y=sqrtm(x)
Parameters
- x
real or complex square matrix
Description
y=sqrt(x) is the matrix square root of the
x x matrix (x=y^2) Result may not be
accurate if x is not symmetric.
Examples
x=[0 1;2 4]
w=sqrtm(x);
norm(w*w-x)
x(1,2)=%i;
w=sqrtm(x);norm(w*w-x,1)