MATLAB Function Reference

sqrt

Square root

Syntax

• B = sqrt(X)
  

Description

B = sqrt(X) 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.

Remarks

See sqrtm for the matrix square root.

Examples

• sqrt((-2:2)')
  ans =
        0 + 1.4142i
        0 + 1.0000i
        0
   1.0000
   1.4142
  

See Also

sqrtm

spy

sqrtm