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Awarded to AVM on 27 Sep 2020
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Question
The Eigenvalues of a large matrix don't cross each other when plotted
I am trying to plot the eigenvalues of a matrix in accending order w.r.to some parameter. The matrix has large dimension. Here...
environ 4 ans il y a | 1 réponse | 0
1
réponseQuestion
Problem in Eigen values plot
I would like to plot the First five minimum eigenvalues in assending order w.r.t. ''g '' of the following Matrix using for l...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
Problem in contour plot using ''for '' loop.
I would like to get a contour plot in the following code, but some prolem is occuring. Please somebody help me to solve that. ...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
Problem in summation with floor function
I would like to compute the summation involving ''floor function'' as the limit of the sum. Below I have the code. But when I ru...
plus de 4 ans il y a | 1 réponse | 0
0
réponseQuestion
Output is coming out as a large expression
When I run the code below, the outputs appear as a large expression. Here, I have a upper limit in one of the sym summation mi...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
Minimum of the upper limit of a summation
I would like to write the summation in the matlab code where are positive integer. Can anyone help me how to write that in ...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
Problem in cropping the pdf image in matlab
I have the following pdf image generated by matlab code. When I save this image as ''pdf'', it comes up with huge white portion...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
problem in variable pre-allocation in ''For Loop''
I would like to run a ''for loop'' and I am illustrating this in my code. But It is always showing some message the '' the Vari...
plus de 4 ans il y a | 2 réponses | 0
2
réponsesQuestion
Problem with definite Integral
I am trying to solve the following definite double integration numerically. The expressions contain summaitions also but that...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
Hypergeometric Function in Matlab
Can somebody help me to write the hypergeometric fucntion in code form?
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
Normalized to unity by summation
I have the following code where I am trying to get unity after performing a summation. But it is not giving me unity using '' sy...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
Eigenvalues of a large Matrix
I have to plot the one of the eigenvalues of a large matirx in the following. The matrix is 20*20 dim. Numerically I have to ge...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
2D contour plot
I have two fucntions with identical independent variable x. I need to draw a 2D contour plot for that two fucntions. But my code...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
How to insert YTick without numbering in a specific interval
I would like to customise the Y axis in matlab plot. I need to insert the tick without numbering. using the command "set(gca,'...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
Nontrivial(Non-zero) solution of two nonlinear equations
I have two equations given in code. The two lines are cutting each other at (x,y)=(0.098, 2.26) and (0.4899, 2.448) roughly as ...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
Double integration in matlab
I would like to double integrate the following code, but some error is happenig. Pl somebody help me. clc; clear; syms r1 the...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
Double summation in matlab
I would like to do this double summation . where alpha=2; beta=1.5; I am confuse about the command availbale in online .Pl some...
plus de 4 ans il y a | 1 réponse | 1
1
réponseQuestion
Inverse of algebraic expression in Matlab
I need to get inverse expression of the following algebraic expression in matlab. clc; clear; syms r E(r)= 1-1/2*((1+r)*log2...
presque 5 ans il y a | 2 réponses | 0
2
réponsesQuestion
Eigenvalues corresponds to eigenvectors
In matlab, the command [V,L]=eig(h) produces the eigenvectors and eigenvalues of the square matirx h. But I would like to know...
presque 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Draw a circle for arbitrary orientation on spherical surface
I would like to draw a circular loop on spherical surface for a fixed orientation of theta(i.e. polar angle on sphere) and var...
presque 5 ans il y a | 1 réponse | 0
1
réponseNormalization of complex eigenvector
Thanks a lot. If I just avoid that 2% contribution, then the plotting will appear shortly? I need to see the graph anyhow. I had...
presque 5 ans il y a | 0
Question
Normalization of complex eigenvector
What is the best way of normalisation of a complex eigenvector of a complex hermitian matrix. Here I am doing this in the follow...
presque 5 ans il y a | 2 réponses | 0
2
réponsesQuestion
Eigenvector without calling eigenvalues
I would like to call a eigenvector of a matirx without calling its eigenvalues inside a function. Here I attach my code. Pl som...
presque 5 ans il y a | 2 réponses | 0
2
réponsesMatlab taking so much execution time
Thanks..okay,I am leaving it without any optimization (simplify() kind of thing) whole night.let see what happen...
presque 5 ans il y a | 0
Question
Matlab taking so much execution time
I have a simple code here. But whenever I try to run this code, the system gets slower and start to hang frequently. Moreover, t...
presque 5 ans il y a | 1 réponse | 0
1
réponseNumerical Integration in matlab
@walter: How do I can normalize an eigen vector in Matlab? PL tell me what is the corresponding command for the normalization?
presque 5 ans il y a | 0
Question
concurrence calculation of qubit system
I need to calcualte the concurrenec for the given density matrix. Pl somebody see my code and solve my issue. clc close all ...
presque 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Eigenvector and Eigenvalue probelm
I would like to get eigenvalues of matrix in my code given below, the matlab taking so much time as if never ending processws. P...
presque 5 ans il y a | 1 réponse | 0
0
réponseNumerical Integration in matlab
@Walter: Thanks. I am trying that
presque 5 ans il y a | 0
Question
Numerical Integration in matlab
what is reliable way to perform a integartion numerically in matlab? I would like to get numerical result after integration of ...
presque 5 ans il y a | 3 réponses | 0
3
réponses
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