simple-squiggle

A restricted subset of Squiggle
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sqrtm.md (810B)


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      2 
      3 # Function sqrtm
      4 
      5 Calculate the principal square root of a square matrix.
      6 The principal square root matrix `X` of another matrix `A` is such that `X * X = A`.
      7 
      8 https://en.wikipedia.org/wiki/Square_root_of_a_matrix
      9 
     10 
     11 ## Syntax
     12 
     13 ```js
     14 X = math.sqrtm(A)
     15 ```
     16 
     17 ### Parameters
     18 
     19 Parameter | Type | Description
     20 --------- | ---- | -----------
     21 `A` | Array &#124; Matrix | The square matrix `A`
     22 
     23 ### Returns
     24 
     25 Type | Description
     26 ---- | -----------
     27 Array &#124; Matrix | The principal square root of matrix `A`
     28 
     29 
     30 ### Throws
     31 
     32 Type | Description
     33 ---- | -----------
     34 
     35 
     36 ## Examples
     37 
     38 ```js
     39 math.sqrtm([[1, 2], [3, 4]]) // returns [[-2, 1], [1.5, -0.5]]
     40 ```
     41 
     42 
     43 ## See also
     44 
     45 [sqrt](sqrt.md),
     46 [pow](pow.md)