SQRT Square Root of an Array

Section: Mathematical Functions

Usage

Computes the square root of the argument matrix. The general syntax for its use is
   y = sqrt(x)

where x is an N-dimensional numerical array.

Example

Here are some examples of using sqrt
--> sqrt(9)
ans = 
  <double>  - size: [1 1]
 3  
--> sqrt(i)
ans = 
  <complex>  - size: [1 1]
 0.70710677+0.70710677 i  
--> sqrt(-1)
ans = 
  <dcomplex>  - size: [1 1]
 6.123031769111886e-17+1.000000000000000e+00i  
--> x = rand(4)
x = 
  <double>  - size: [4 4]
 
Columns 1 to 3
 0.40663497729216602  0.08747017507489308  0.01593444966380131  
 0.55779195278479099  0.71493099186266174  0.65332496252868777  
 0.75766204737427256  0.68031656571272592  0.85797322970030954  
 0.91841918711037873  0.54999662708094066  0.44162552964133306  
 
Columns 4 to 4
 0.79651302205786900  
 0.86312963180946323  
 0.77057046831984377  
 0.91928222854362174  
--> sqrt(x)
ans = 
  <double>  - size: [4 4]
 
Columns 1 to 3
 0.63767936872080633  0.29575357153362170  0.12623173001983815  
 0.74685470660951914  0.84553591991272714  0.80828519875640914  
 0.87043784808237312  0.82481304894668461  0.92626844364919914  
 0.95834189468601383  0.74161757468451395  0.66454911755364865  
 
Columns 4 to 4
 0.89247578233690406  
 0.92904770157912953  
 0.87782143304879712  
 0.95879206741796819