| MATLAB Functions | Help Desk |
sqrt
Square root
B = sqrt(A)
B = sqrt(A)
returns the square root of each element of the array X. For the elements of X that are negative or complex, sqrt(X) produces complex results.
See sqrtm for the matrix square root.
sqrt((-2:2)')
ans =
0 + 1.4142i
0 + 1.0000i
0
1.0000
1.4142
sqrtm Matrix square root