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Vipin Padinjarath


Last seen: 4 years ago |  Active since 2016

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Solving partial differential equation with variable coeffcients
Hi all, Can we solve pde of the form using the pde tool bok of MATLAB? Note that A and B are functions of x.

4 years ago | 0 answers | 0

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Question


All solutions are NaN in my Method of lines code. Please help.
Dear all, I am trying to implement Method of lines (MOL) to solve my transient PDE. My solutions are all NaN except for the ini...

5 years ago | 0 answers | 0

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Question


Problem with finite difference method.
I am trying to implement Finite difference method. I created the tri diagonal matrix, then solved using the command y=A\b. But t...

5 years ago | 0 answers | 0

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Answered
Confusion on event function
In Walter's code, we need to guess the end time? I mean do we need to guess the time when the first event would occur?

5 years ago | 1

Question


Confusion on event function
Hi all, I want to incorporate an event into my ode45 code. The event is that every time the value y reaches 1 (initial condition...

5 years ago | 2 answers | 1

2

answers

Question


Is there any way I can ensure that the numbers generated in ode45 are positive?
Here is my code. Many numbers generated in the solution are negative and there are a lot of NaNs too. %setting up th...

5 years ago | 0 answers | 0

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Question


Dear all, Help needed.
I have a data which I have generated as a solution to an ODE. It contains information about the states of 10 oscillators at vari...

5 years ago | 0 answers | 0

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Question


Is it possible to multiply a 3D matrix with a coumn vector?
I have a 3D matrix with three rows and three columns. I want to multiply this matrix with a column vector of 3 rows. How can it ...

7 years ago | 4 answers | 0

4

answers

Question


Evaluating a matrix at different time steps
Dear all, I have a matrix which is a transition matrix. I need to calculate the time evolution of the associated probability di...

7 years ago | 2 answers | 0

2

answers

Question


Dear all, what is the meaning of including number of iterations within ode45 syntax?
What is the meaning of the followig command? [t,theta]=ode45(@F,tbegin,tEnd,thetaInit,nIters,p) ...

7 years ago | 1 answer | 0

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answer

Question


Solving systems of n ODEs in matlab.
Hi all, I am trying to simulate Kuramoto oscillators in matlab. I have simulated systems with 3 equations(such as Lorenz eqns, R...

7 years ago | 0 answers | 0

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Question


Not enough input arguments ode45
Hi all, I have been trying to understand the use of ode solvers in MATLAB. In the process, I started with first order equations...

7 years ago | 1 answer | 0

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