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Eric Roden


Last seen: 2 månader ago |  Active since 2022

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Question


Set aspect ratio of stacked plot
Dear colleagues: I have been searching through the help menus to try to figure out how to set the aspect ratio of a stacked plo...

5 månader ago | 1 answer | 0

1

answer

Question


Updating of boundary condition during bvp4c solution procedure
Dear colleagues: I am solving the Poisson-Boltzmann equation, a non-linear elliptical PDE which describes the distribution of e...

12 månader ago | 1 answer | 0

1

answer

Question


print 1-D array to file as 2-D matrix
Dear colleagues: I have a 1-D array, named pvar, where contains the "primary variables" generated in a method-of-lines PDE simu...

ungefär ett år ago | 0 answers | 0

0

answers

Question


Create logarithmically spaced vector with points spaced more closely at far end of vector
Is it possible to use logspace (or some other approach) to create a logrithmically spaced vector where the points are more close...

mer än ett år ago | 1 answer | 0

1

answer

Question


Gather auxiliary output from bvp4c
Is there a way to gather auxiliary output from the bvp4c solver, e.g. something akin to the output function for ode solvers? I w...

mer än ett år ago | 1 answer | 0

1

answer

Answered
Steady-state solution for system of parabolic PDEs?
Dear Torsten: I finally got it! I obviously did not understand properly the spherical diffusion equation, and was thus not impl...

mer än ett år ago | 0

Question


Steady-state solution for system of parabolic PDEs?
Is there an established method for finding the steady-state solution for a system of parabolic PDEs? I know how to use the Matla...

mer än ett år ago | 2 answers | 0

2

answers

Question


Tile spacing with modified aspect ratios
I am creating a 2 x 2 tiled plot in which each tile has a modified aspect ratio using the pbaspect command, where the modified a...

mer än ett år ago | 1 answer | 0

1

answer

Answered
Use two different color schemes in contour plot
Yes, agreed, understood. I have added the text files that generate the plots to a Google Drive folder that can be accessed at th...

nästan 2 år ago | 0

Question


Use two different color schemes in contour plot
I want to create a contour plot that shows two different data sets (chemical concentrations vs. depth and time in a lake), each ...

nästan 2 år ago | 3 answers | 0

3

answers