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Waseem Akhtar


Last seen: 1 month ago Active since 2021

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How to identify which lines in the plot correspond to which legend entry?
Hi, I have a figure with multiple lines and legend entries as attached figure. Since the colours of lines are repeating several...

2 months ago | 1 answer | 0

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Question


Modification in besselk (Modified Bessel fn of 2nd kind order zero)
Hi, As far as I know, besselk in integral form is an integral from 0 to Inf. Is there a way to modify the limits of integration...

3 months ago | 1 answer | 0

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Question


Integral inside integral is taking too much time
Hi, I am trying to evaluate integral inside integral using the following script but it is taking too much time, is there anyway...

3 months ago | 1 answer | 0

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Question


Replace matrix entries with entries from another matrix
There are two matrices A and B as under: A = [0 0 0 0 0; 0 0 0 0 0; 0 0 0 0 0]; B = [1 1 1;2 2 2;3 3 3]; I want to create a t...

3 months ago | 1 answer | 0

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Question


Numerical integration using Trapz
Hi all, I am trying to calculate a double integral over a rectangular grid using trapz. The grid is defined as: [x,z] = mesh...

6 months ago | 1 answer | 0

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Question


Warning: Infinite or Not-a-Number value encountered.
Dear all, I am facing the warning (Infinite or Not-a-Number value encountered.) in my following code. Due to the Nan/Inf values...

8 months ago | 0 answers | 0

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Question


Unable to use a value of type function_handle as an index.
hi all, I am trying to perform double integration using following syntax: Gxh=@(xpp,zpp) (xpp+zpp) GXH=integral2(Gxh,aa,bb,cc...

8 months ago | 1 answer | 0

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