ADS square root of matrix

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happsky

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For example, How to know B in equation: A=B*B, (both A and B are matrixs.)

Thank you very much!
 

Hi Happsky

You can easily use MATLAB to calculate your problem.
for example

A = [1 2 3;4 5 6;7 8 9]

A =

1 2 3
4 5 6
7 8 9

>> B = A^0.5

B =

0.4498 + 0.7623i 0.5526 + 0.2068i 0.6555 - 0.3487i
1.0185 + 0.0842i 1.2515 + 0.0228i 1.4844 - 0.0385i
1.5873 - 0.5940i 1.9503 - 0.1611i 2.3134 + 0.2717i

>> C = B*B

C =

1.0000 - 0.0000i 2.0000 3.0000
4.0000 + 0.0000i 5.0000 + 0.0000i 6.0000 + 0.0000i
7.0000 + 0.0000i 8.0000 9.0000 - 0.0000i

sqrt(sum((A - C).^2))

ans =

1.0e-014 *

0.2388 - 0.0114i 0.3689 - 0.0020i 0.3101

Good luck
 

It is not easy import the data from ads to matlab,when the data is complex.
 

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