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Vira Roy


Last seen: 3 días ago Active since 2019

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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...

3 días ago | 1 answer | 0

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answer

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...

5 meses ago | 1 answer | 0

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answer

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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...

5 meses ago | 1 answer | 0

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answer

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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...

más de 1 año ago | 1 answer | 0

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answer

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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...

más de 1 año ago | 1 answer | 0

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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...

más de 1 año ago | 1 answer | 0

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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...

más de 1 año ago | 1 answer | 0

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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 ...

más de 1 año ago | 1 answer | 0

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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. ...

casi 2 años ago | 0 answers | 0

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answers

Question


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

casi 2 años 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...

casi 2 años ago | 1 answer | 0

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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 ...

casi 2 años ago | 2 answers | 0

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...

casi 2 años ago | 2 answers | 0

2

answers