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Jacob Jepson


Last seen: 9 månader ago |  Active since 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...

ungefär 3 år ago | 0 answers | 0

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answers

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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...

mer än 4 år ago | 1 answer | 0

1

answer

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...

mer än 4 år ago | 0 answers | 0

0

answers

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...

mer än 4 år ago | 0 answers | 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...

mer än 4 år ago | 0 answers | 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...

nästan 5 år ago | 2 answers | 0

2

answers

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...

nästan 5 år ago | 1 answer | 0

1

answer

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 ...

nästan 5 år ago | 1 answer | 0

1

answer