# Abhik Saha

Last seen: 6 maanden ago Active since 2020

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Question

Write Hamiltonian using kron function
I have a Hamiltonian which looks like as where \sigmaz is a pauli spin matrix. Please note here we have total spin =6. For sp...

9 maanden ago | 2 answers | 1

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Question

Fill light gray color between two horizontal lines in a plot?
I want to fill light gray color between two horizontal lines such that I can plot the horizontal lines as dashed dotted ? Please...

meer dan een jaar ago | 3 answers | 0

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Explicit solution can not be found using dsolve of second order differential equation
I have a second order differential equation of the form written below I want to solve this differential equation using analyt...

meer dan een jaar ago | 1 answer | 0

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Question

Divergent solution using ode45
I have a code (see below) that solve the second order differential equation. As a output it gives the position and velocity as a...

meer dan een jaar ago | 2 answers | 0

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Question

High amplitude in the solution of seconde order differential equation using ode 45
I have a code (see below) that solve the second order differential equation. As a output it gives the position and velocity as a...

meer dan een jaar ago | 0 answers | 0

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Question

Eigenvalue and Eigenvector of a matrix analyticaliy
I have a matrix M which is defined as M(1,1)=, M(1,2)=, M(2,1)=, M(2,2)=-. Now I want to calculate the eigenvalue and eigenvecto...

bijna 2 jaar ago | 0 answers | 0

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Question

How to calculate average for a multiple of time period
Hello, Everyone, I have a second order diffrential equation from which I get position as a function of time and velocity as a fu...

bijna 2 jaar ago | 1 answer | 0

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Question

Second order diffrential equation solve using ode 45
I want to solve a second order differential equation of the form d^2y/dt^2+dy/dt=sin(100t) I want the value of dy/dt and y. I...

bijna 2 jaar ago | 2 answers | 0

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Question

Arrow in quiver plot does not show with change of position
I have a program copy below that generate a quiver plot. For x1=0,y1=0. But if I change the value of the x1=0.25 or higher value...

bijna 2 jaar ago | 1 answer | 0

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Question

How to plot multiple y values for a single x value
I have a x matrix of dimension 1x10 and also I have a matrix A whose dimension is 512x10. Now in the A matrix each column repre...

meer dan 2 jaar ago | 1 answer | 0

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Question

how to integrate a product with function handle
I want to perform a numerical integration with function handle. Please find details below Nz = 256; L = 1; dz = L/Nz; zgrid ...

ongeveer 3 jaar ago | 1 answer | 0

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Question

How to omit white spaces in non standard size matlab figure?
I am using matlab R2017a version where I want to plot non standard size two figures in a particular way (see attached code). the...

meer dan 3 jaar ago | 0 answers | 0

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Question

Unable to save full size image in eps format in matlab?
I am using the R2017a version of the matlab. I generate a plot and then when I try to save using print command then in the outpu...

meer dan 3 jaar ago | 0 answers | 0

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Question

multiple imagesc plot with one colorbar in matlab
How should I plot 10 square size imagesc plot in matlab? All of them has same x and y limit. I want to plot in two horizontal l...

meer dan 3 jaar ago | 0 answers | 0

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Question

How to print full size figure using print command?
I am trying to plot a figure but when i print the figure the figure does not show on full screen. i am attaching the code whic...

meer dan 3 jaar ago | 1 answer | 0