Man Scilab

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)
 
  

See Also

expm ,   sqroot ,  

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