Re: Doing matrix arithmetic with complex numbers

[Al Matthews]

+1

On Sat, Mar 5, 2016, 22:12 Mars0i  wrote:

> You might want to post this on the Numerical clojure group as well or
> instead.  I've never tried using complex numbers with core.matrix.
>
>
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Alfred S Matthews

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Re: Doing matrix arithmetic with complex numbers

[Mars0i]

You might want to post this on the Numerical clojure group as well or 
instead.  I've never tried using complex numbers with core.matrix.
 

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Doing matrix arithmetic with complex numbers

[Willem Price]

Hi all,

I am trying to use the core.matrix.complex 

 library 
to do matrix multiplication and such with complex numbers, but I cannot get 
it to work. The library uses complex.core 
 to 
define and manipulate complex numbers, and core.matrix 
 to do matrix arithmetic.

Using matrix multiplication, mmul, as an example, I can require core.matrix 
as mat, and then do (mat/mmul matrix1 matrix2) and it works no problem. 
However, if I require core.matrix.complex and then try to do mmul, the 
function is undefined. Naturally, I tried requiring them both and using 
them together, but if I do (mat/mmul cmat1 cmat2), where cmat means a 
complex matrix, I get a "ClassCastException 
org.apache.commons.math3.complex.Complex cannot be cast to java.lang.Number"

I am not that familiar with protocols and deftype, so I haven't been able 
to decipher the library and how it's supposed to be used. Can anyone help 
me?

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