MATLAB Function Reference

realsqrt

Square root for nonnegative real arrays

Syntax

• Y = realsqrt(X)
  

Description

Y = realsqrt(X) returns the square root of each element of array X. Array X must contain only nonnegative real numbers. The size of Y is the same as the size of X.

Examples

• M = magic(4)
  
  M =
      16     2     3    13
       5    11    10     8
       9     7     6    12
       4    14    15     1
  
  realsqrt(M)
  
  ans =
      4.0000    1.4142    1.7321    3.6056
      2.2361    3.3166    3.1623    2.8284
      3.0000    2.6458    2.4495    3.4641
      2.0000    3.7417    3.8730    1.0000
  

See Also

reallog, realpow, sqrt, sqrtm

realpow

record