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mehdibgh

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8 years, 102 days
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These are questions asked by mehdibgh

Is there any way to find the equation of...

mehdibgh 240 Maple 2016
February 22 2022
4 4

I have two surfaces f=f(x,y) and g=g(x,y), is there any way to find the equation of intersection curve of them in maple?

contact.mw

How to transfer computed quantities betw...

mehdibgh 240 Maple
matrix export
February 18 2022
4 3

I have a big matrix which is computed in a worksheet, now I have to use this matrix in another worksheet. Could you recommend some ways of healthy transferring of quantities between worksheets?

What is the exact problem of this code?...

mehdibgh 240 Maple 2016
2dmath
January 14 2022
1 5
> 

restart:
> 

``
> 

K__vxa[1] := 2.0154553049*10^17

0.2015455305e18

 (1)
> 

`#mrow(mi("\`K__vxa\`"),mfenced(mn("1"),open = "[",close = "]"))`+K__vxa[1]

`#mrow(msub(mi("\`K"),mi("vxa\`")),mfenced(mn("1"),open = "[",close = "]"))`+0.2015455305e18

 (2)
> 

``

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How is it possible in maple to use all o...

mehdibgh 240 Maple 2016
performance linearalgebra digits
January 12 2022
1 3

I need to calculate the eigenvalues and eigenvectors of a big marix with enough Digits. When i apply the command Eigenvectors(K,M) for this purpose, it takes approximately 40 min to be calculated by maple. Where only 1/4 of cores of my CPU is used in this computation.

How is it possible to use all of my CPU cores to calculate the eigenvalues and eigenvectors of a big matrix faster?

change the txt to m for the following files.

K.txt

M.txt

What is the easiest and accurate way in ...

mehdibgh 240 Maple
performance linearalgebra eigenvalues
January 11 2022
1 13
How to find the eigenvalues and eigenvectors of a problem that have some zero diagonal elements which dont have the usual form of the standard eigenvalue problem? I have tested some ways, but the results was not accurate enough.
If it is possible please provide me an example with relatively large matrices (e.g. M>50)
Note that M>N.
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