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Feeds
Question
taking difference of 2 surf figures of different sizes
One is to compare two solutions and study the error by taking their difference. The two solutions are two surf figures generated...
environ un mois il y a | 2 réponses | 0
2
réponsesextract fig into surf(x,y,z)
both answers are great. I don't know which to accept.
environ 2 mois il y a | 0
Question
comsol LiveLink for MATLAB: output specified solutions under several studies
There are several solutions under several studies in .mph comsol models. How to output a specific solution in LiveLink for MATLA...
3 mois il y a | 1 réponse | 0
1
réponseQuestion
comsol LiveLink for MATLAB: output solutions on a specific line (in reference or current configuration)
In a 3D comsol model, how to output the solution on a specific line (in reference or current configuration)? In .mph comsol mode...
3 mois il y a | 1 réponse | 0
1
réponseQuestion
no surf in comsol, is matlab live link a solution?
There's a solution u(x,t) in comsol, x and t are spatial and temporal coordinates. There's no surf function in comsol. Can m...
3 mois il y a | 1 réponse | 0
0
réponseQuestion
extract fig into surf(x,y,z)
There's a .fig that plots n z(x) curves, each of which corresponds to 1 y value (n=3 in the illustration). The y values are know...
3 mois il y a | 1 réponse | 0
1
réponseQuestion
code to tell mlx or m files
M and mlx files work slightly differently in outputting figures in separate windows or within the code file. I hope to have an m...
3 mois il y a | 1 réponse | 0
1
réponseQuestion
reshape data to fit into surf/contour
nodalPositions is a 2*100 double matrix storing the nodal positions of a PDE on a 2D domain with 100 nodes. x=nodalPositions(1,:...
3 mois il y a | 1 réponse | 0
1
réponseQuestion
speed control of exporting animations in mlx
There's a little button of 'export animation' on the bottom right of each animation made in mlx. Though 'playback speed' can be ...
3 mois il y a | 1 réponse | 0
1
réponseQuestion
code folding in live scripts
Is code folding in live scripts possible as in .m?
5 mois il y a | 1 réponse | 0
1
réponseQuestion
save animation in subplot
I'm using while drawnow;hold off end to create an animation. But this animation is just the 6th position as in subplot(2...
6 mois il y a | 1 réponse | 0
1
réponseQuestion
blank matlab icon on taskbar after a change in matlab directory.
The original matlab directory is c:\matlab\r2023 and r2023 was moved to c:\ to replace c:\matlab and renamed as matlab r2023. M...
9 mois il y a | 1 réponse | 0
1
réponseQuestion
plot in designated subfigures in loops
I have the following code. I want to plotsubfigures as required in the comments in main.m. How to plot in designated subfigures ...
9 mois il y a | 1 réponse | 0
1
réponseQuestion
remove inf in quiver
I want quiver(X,Y,u,v), but there's inf entries in u and v at positions x=y. I'm looking for the smartest way to skip these posi...
10 mois il y a | 1 réponse | 0
1
réponseQuestion
smart function to switch functions
Suppose I want to tune different ode solvers to run: ode23(@fun,...) I want to use 'odesolver' so that odesolver(@fun,...) ac...
10 mois il y a | 3 réponses | 0
3
réponsesQuestion
call function name in the same function
In a function, I need to run this function somewhere within the function like function fun i=1 if i>1 function name ...
10 mois il y a | 1 réponse | 0
1
réponseQuestion
Save and load models in phase plane app
Though there are Save and load buttons in phase plane app, I don't think they work. I never find any models saved.
10 mois il y a | 1 réponse | 0
1
réponseQuestion
uicontrol doesn't work in Matlab 2023a
figure;pauseButton=uicontrol('Style','pushbutton',... 'String','pause','Position',[2000 60 100 100],... 'Callback',@(s...
10 mois il y a | 1 réponse | 0
1
réponseQuestion
vectorization examples for efficiency
I wonder if the following expressions are already optimized forms for computational efficiency and if not how to rewrite them? ...
12 mois il y a | 1 réponse | 0
1
réponseQuestion
multiple actions following @(src,event) in uicontrol
How to add another action or function to the following Button=uicontrol('Style','pushbutton', 'String','pause','Position',[1800...
12 mois il y a | 1 réponse | 0
1
réponseQuestion
Smart way of adding paths
For those using multiple PCs, it is necessary to use a smart way of adding paths. How is it possible to add paths like: a='c:\...
12 mois il y a | 1 réponse | 0
1
réponseQuestion
role of flux f in bcfun of pdepe for systems of PDEs
To solve utt=uxx, as the flux term f has a 0 entry in pdefun, the same f is in bcfun. In bcfun, there's q(x,t)f(x,t,u,ux), which...
12 mois il y a | 1 réponse | 0
1
réponseQuestion
functions don't take effect
When calling a function involving multiple other functions where some changes are made, new changes don't take effect even when ...
12 mois il y a | 1 réponse | 0
0
réponseQuestion
uicontrol to start over a loop
uiwait/uiresume through uicontrol can be used to pause/continue a loop. Is there a corresponding ui+... to start over a loop fro...
12 mois il y a | 1 réponse | 0
1
réponseQuestion
concatenate multiple 'OutputFcn' options in odeset?
Is there a way to output both odeplot+odephas2 after modifying the following? options=odeset('OutputFcn',@odeplot,'OutputFcn',@...
12 mois il y a | 1 réponse | 0
1
réponseQuestion
3D plots rotated in live scripts
It seems that once 3d plots in animations are rotated, the animation can't be replayed again, for the control slider automatical...
12 mois il y a | 1 réponse | 0
1
réponseQuestion
animation turns static in live scripts
I have the following code that works well in m files but not in live scripts because a figure pops up in a separate window and t...
12 mois il y a | 1 réponse | 0
0
réponseQuestion
if nested functions supported in live scripts
Are nested functions supported in live scripts? Otherwise, global variables have to be declared as global?
12 mois il y a | 1 réponse | 0
1
réponseQuestion
how to output quantities involving time derivatives in pdepe
pdeval only seems to output the solution and the spatial derivative of the solution via [~,dudx]=pdeval(m,x,sol(i,:,1),x). It se...
environ un an il y a | 1 réponse | 0
1
réponseQuestion
why does pdepe adopt Petrov-Galerkin?
pdepe is meant to solve parabolic and elliptic PDEs. Petrov-Galerkin seems to be designed to solve convection dominated ones, wh...
environ un an il y a | 1 réponse | 0
0
réponse
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