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Matrix of differential operator

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Old 02-01-2016, 05:09 PM
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Matrix of differential operator

Hi,
Is there any way in Maxima to define a matrix differential operator?
For example:
[dx 0 0; 0 dy 0; 0 0 dz]*[f1 0 0; 0 f2 0; 0 0 f3]
where dx is differential operator such that dx(f1) = d(f1)/dx.
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Old 02-01-2016, 09:05 PM
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Old 02-29-2016, 11:37 AM
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look guys, I took first year university math courses! impressed???
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Old 02-29-2016, 12:09 PM
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No.

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Old 03-17-2016, 08:01 AM
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