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Jacob Jepson


Last seen: 9 mois il y a |  Actif depuis 2020

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How to estimate three parameters in BVP5C
I am trying to estimate three (unknown) parameters, c, N_0 and C_0 using BVP5C. The boundary problem I wish to solve consists of...

environ 3 ans il y a | 1 réponse | 0

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réponse

Question


Why is ODE15s ignoring my boundary conditions?
Hi all, I'm attempting to solve the Fishers PDE by spatially discretising and then feeding the time derivative to ODE15s (theref...

plus de 4 ans il y a | 1 réponse | 0

1

réponse

Question


Feedback and help with my code that uses ODE15s
Hi all, I've developed some code that solves a moving boundary PDE with ODE15s, that I'd quite like some feedback on as it's sti...

plus de 4 ans il y a | 1 réponse | 0

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réponse

Question


Solve a second order BVP with a singularity problem
I am trying to use BVP4C to solve a second order nonlinear BVP. My code below includes the initial guess, boundary conditions et...

plus de 4 ans il y a | 1 réponse | 0

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Passing a known vector to BVP4C
Hi All, I wish to solve the second order BVP (which has been turned in to a system of two first order ODEs in the code): fo...

plus de 4 ans il y a | 1 réponse | 0

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Help with event function in ode15s
My code integrates with ode15s a function called CellODE with the parameters mentioned. I would like my event function to stop t...

presque 5 ans il y a | 2 réponses | 0

2

réponses

Question


How to get a 3D contour plot with two matrices and a vector
I currently am using surf to plot the Image attached (see image of the surface plot, internetpic.jpg) . My code is; surf(x_new...

presque 5 ans il y a | 1 réponse | 0

1

réponse

Question


Color map and shading interp not working with plot3
I am using the matlab function plot3 to plot in 3D space. I am using a matrix called x_new, a vector called T_disc and a matrix ...

presque 5 ans il y a | 1 réponse | 0

1

réponse