Community Profile # P Maity

##### Last seen: 4 days ago
21 total contributions since 2020

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Question

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...

5 days ago | 1 answer | 0

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Question

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...

18 days ago | 1 answer | 0

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Question

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,'...

22 days ago | 1 answer | 0

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Question

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 ...

29 days ago | 1 answer | 0

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Question

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...

3 months ago | 1 answer | 0

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Question

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...

3 months ago | 1 answer | 1

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Question

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...

3 months ago | 2 answers | 0

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Question

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...

4 months ago | 1 answer | 0

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Question

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...

4 months ago | 1 answer | 0

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Normalization 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...

4 months ago | 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...

4 months ago | 2 answers | 0

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Question

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...

4 months ago | 2 answers | 0

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Matlab taking so much execution time
Thanks..okay,I am leaving it without any optimization (simplify() kind of thing) whole night.let see what happen...

4 months ago | 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...

4 months ago | 1 answer | 0

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Numerical 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?

4 months ago | 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 ...

4 months ago | 0 answers | 0

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Question

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...

4 months ago | 0 answers | 0

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Numerical Integration in matlab
@Walter: Thanks. I am trying that

4 months ago | 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 ...

4 months ago | 3 answers | 0

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Question

surface plotting with complex function
why with this code the surface ploting does not happen.? Where I am wrong with this code. With this code if write 'plot3(Th,Al,m...

4 months ago | 1 answer | 0

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I have got a function after integration in Matlab, f($\theta$,$g$) which is a complex function. I would like to get 3D plot the ...