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Vira Roy


Last seen: 8 maanden ago |  Active since 2019

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Research Scholar at IIT Kharagpur.

Programming Languages:
Python

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Question


Plotting the content of huge matrix.
Problem: I have a huge 449x10001 dimension matrix and want to make a scatter plot from that. While for loop works good enough fo...

ongeveer 2 jaar ago | 1 answer | 0

1

answer

Question


Manipulating a multidimensional array.
PROBLEM: I have managed to create a multidimensional array storing eigenvectors of a hamiltonian. Now I want to manipulate the a...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


Energy eigenvalues plot of a Hamiltonian(Weyl)
Question: I have a Hamiltonian which I have to construct in a meshgrid and then plot the energy eigenvalues to get a surf plot. ...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


Matrix form for a square lattice arrangement.
Question: I want to have a matrix form for hopping between nearest points on a square lattice. My Attempt: To start and explai...

bijna 3 jaar ago | 2 answers | 0

2

answers

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

bijna 3 jaar ago

Solved


The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

bijna 3 jaar ago

Question


Matrix form for creation and annihilation operator with spins.
This might be little geared towards physics but if anyone can help, it would so much helpful for me. So basically I want the mat...

bijna 3 jaar ago | 2 answers | 0

2

answers

Question


Comparing the entries of matrix in pairs
Problem: I have a matrix A (of n by m dimension) which for this example is 10 by 3. Now I want to compare the entries of the ma...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

Question


Generation of a basis vector following a constraint.
Problem: I Want to generate a set of basis vectors which follows the constraint . While I can do that as seen from the below wo...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

Question


Solving a system of differential equations using ODE45 by switching between two functions depending upon the solution obtained in last iteration.
Problem: I have a system of two coupled differential equations but i want to put an conditional statement so that depending upon...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question


3 dimensional plotting by varying the initial conditions
I have a set of four differential equations(DE) and I want to see how one of them varies with the other two. I can solve the equ...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question


3D Phase portrait for a set of differential equations
I have a set of three differential equations and I want to make a phase portrait of them. I have some idea of using quiver or pl...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


Solving system of Non-linear Equations graphically
Problem Statement: I want to solve a set of equations graphically by plotting their graphs and looking at the interesection. I k...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


Eigenvalues of a Matrix for a mesh of values and 3D plot.
Problem: Here is what i want to do. I need to construct an Hamiltonian matrix of dimension 2 by 2, then diagonalise it and find ...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


Plotting of null surfaces and Warning: Matrix is singular to working precision.
Problem: I have the following three sets of equation which i need to plot as planes in 3D system. ...

meer dan 4 jaar ago | 0 answers | 0

0

answers

Question


Numerical Integration from -Inf to Inf
Problem: I have the following integral which i need to evaluate numerically. ...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


Executing a function in iterations
Problem Statement: I have a system of differential equations in which i need to run a particular function for n iterations using...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


Adding a piecewise time dependent term in system of differential equation
Problem Statement: I have a system of differential equation and out of which few has time dependent coefficients and in my case ...

bijna 5 jaar ago | 2 answers | 1

2

answers

Question


Data fitting to the solution of coupled differential equation with all the different parameters.
So here is my problem. The general idea is that, I have a set of data for growth (n) and time(t) which i need to fit to the coup...

bijna 5 jaar ago | 2 answers | 0

2

answers