[Insight-users] how to calculate the sqrt of a matrix

[Luis Ibanez]

Hi Achille,

Do you need the square root in the Matrix sense ?

Like, for Matrix  M do you need the matrix Q such that:

             M = Q * Q

or do you need it in the matrix-element sense where
every element of Q is the square root of the equivalent
element of M, like:


           Q[i][j] = sqrt( M[i][j] )


Please let us know,


   Thanks


        Luis


------------------------------------------------------------------------------
On 4/11/07, achille mangna <poutson at gmail.com> wrote:
>
> please, can someone tell me how i can calculate the sqrt of a matix with
> itk.
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> Insight-users at itk.org
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>
>
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