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raina RAJ


Last seen: 11 mois il y a |  Actif depuis 2020

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Question


How to plot 3D surface using excel data
I am having 3 columns of data points x,y,x in the attached excel sheet. I want to plot a 3d surface plot but not able to get it....

presque 3 ans il y a | 1 réponse | 0

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réponse

Question


Inverse of higher order matrix
Hello there, I am trying to get inverse of a 80,000 order matrix but the calculation is taking too much time. Is there any fast...

environ 3 ans il y a | 2 réponses | 0

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Question


Accuracy of results in symbolic variable and double
Hello there, I have wriiten a code to genrate some generalized matrix and now I am performing some matrix operations like invers...

presque 4 ans il y a | 1 réponse | 1

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réponse

Question


How to increas the speed of the program?
I made a matrix attached herewith. The program is taking too much time for even smaller values for example c=2(fixed), g=1(fixed...

presque 4 ans il y a | 1 réponse | 0

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Question


How to find inverse of a 608*608 matrix fast?
I am trying to find the inverse of Q00{5} in the attached c=2_g=1_l=5.mat file. I have tried inv() function as well as backslash...

presque 4 ans il y a | 1 réponse | 0

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Question


The code keep giving the error of 'Empty sym: 0-by-2' .
The %error line is giving empty values. The values of c,g,l,st,nt,L are arbitrary and for example can be considered (3,1,1,1,1,1...

environ 4 ans il y a | 1 réponse | 0

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réponse

Question


How to assign matrix value to a symbolic variable inside a matrix
The error is in the line in %...I got that the error is coming because of the unmatched dimension of left hand side and right ha...

environ 4 ans il y a | 1 réponse | 0

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Question


How to create the upper diagonal block matrix in a specific form.
c = input('c '); g = input('g '); syms Lambda_n M = cell(c+1,1); a_t = min([1:c+1;repmat(c-g+1,1,c+1)]); for i = 1:c+...

environ 4 ans il y a | 1 réponse | 0

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Question


How to specify enties of a block diagonal matrix
c = input('c '); g = input('g '); M = cell(c+1,1); a_t = min([1:c+1;repmat(c-g,1,c+1)]); for i = 1:c+1 MCell = repmat({...

environ 4 ans il y a | 1 réponse | 0

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Question


How to create diagonal block matrix
I am trying to write code for the above matrix. I am very new to MATLAB programming. If anyone can help me in someway, It wi...

environ 4 ans il y a | 1 réponse | 0

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réponse