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Domanda
Error using assignin in a nested m function
Error using assignin Attempt to add "q" to a static workspace. Error in syms (line 283) assignin('caller', x, xsym); Err...
circa un mese fa | 2 risposte | 0
2
risposteDomanda
assigning values with []
[a,b]=[1,2] Why doesn't this work? How to rewrite into what is easier and more succinct than a=1; b=2? Just to respond to al...
8 mesi fa | 1 risposta | 0
1
rispostaDomanda
easy solution: log scale plot for data with positive and negative data
semilogy and set(gca, 'YScale', 'log') don't work for negative data. There's user written functions resolving this but is there ...
8 mesi fa | 0 risposte | 0
0
risposteDomanda
function name as a variable
Is it possible to do the following? variablefun.m function variablefun(fun) fun function fun1 end function fun...
9 mesi fa | 1 risposta | 0
1
rispostaDomanda
what PDE types can solvepde solve
What PDE types can solvepde solve? Is solvepde just femlab in the past?
9 mesi fa | 1 risposta | 0
1
rispostaDomanda
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...
11 mesi fa | 2 risposte | 0
2
risposteextract fig into surf(x,y,z)
both answers are great. I don't know which to accept.
12 mesi fa | 0
Domanda
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...
circa un anno fa | 1 risposta | 0
1
rispostaDomanda
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...
circa un anno fa | 1 risposta | 0
1
rispostaDomanda
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...
circa un anno fa | 0 risposte | 0
0
risposteDomanda
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...
circa un anno fa | 1 risposta | 0
1
rispostaDomanda
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...
circa un anno fa | 1 risposta | 0
1
rispostaDomanda
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,:...
circa un anno fa | 1 risposta | 0
1
rispostaDomanda
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 ...
circa un anno fa | 1 risposta | 0
1
rispostaDomanda
code folding in live scripts
Is code folding in live scripts possible as in .m?
circa un anno fa | 1 risposta | 0
1
rispostaDomanda
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...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
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...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
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 ...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
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...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
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...
oltre un anno fa | 3 risposte | 0
3
risposteDomanda
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 ...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
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.
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
uicontrol doesn't work in Matlab 2023a
figure;pauseButton=uicontrol('Style','pushbutton',... 'String','pause','Position',[2000 60 100 100],... 'Callback',@(s...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
vectorization examples for efficiency
I wonder if the following expressions are already optimized forms for computational efficiency and if not how to rewrite them? ...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
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:\...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
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 ...
quasi 2 anni fa | 0 risposte | 0
0
risposteDomanda
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...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
concatenate multiple 'OutputFcn' options in odeset?
Is there a way to output both odeplot+odephas2 after modifying the following? options=odeset('OutputFcn',@odeplot,'OutputFcn',@...
quasi 2 anni fa | 1 risposta | 0
