feynman feynman

Last seen: 1 day ago | Active since 2020

Followers: 0 Following: 0

Statistics

Feeds

Question

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 ...

6 days ago | 1 answer | 0

1

answer

Question

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 days ago | 1 answer | 0

1

answer

Question

uicontrol doesn't work in Matlab 2023a
figure;pauseButton=uicontrol('Style','pushbutton',... 'String','pause','Position',[2000 60 100 100],... 'Callback',@(s...

11 days ago | 1 answer | 0

1

answer

Question

vectorization examples for efficiency
I wonder if the following expressions are already optimized forms for computational efficiency and if not how to rewrite them? ...

2 months ago | 1 answer | 0

1

answer

Question

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...

2 months ago | 1 answer | 0

1

answer

Question

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:\...

2 months ago | 1 answer | 0

1

answer

Question

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...

2 months ago | 1 answer | 0

1

answer

Question

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 ...

2 months ago | 0 answers | 0

0

answers

Question

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...

2 months ago | 1 answer | 0

1

answer

Question

concatenate multiple 'OutputFcn' options in odeset?
Is there a way to output both odeplot+odephas2 after modifying the following? options=odeset('OutputFcn',@odeplot,'OutputFcn',@...

2 months ago | 1 answer | 0

1

answer

Question

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...

2 months ago | 1 answer | 0

1

answer

Question

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...

2 months ago | 0 answers | 0

0

answers

Question

if nested functions supported in live scripts
Are nested functions supported in live scripts? Otherwise, global variables have to be declared as global?

2 months ago | 1 answer | 0

1

answer

Question

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...

2 months ago | 1 answer | 0

1

answer

Question

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...

2 months ago | 0 answers | 0

0

answers

Question

how to output quantities within pdefun, bcfun, icfun in pdepe
How to output quantities within pdefun, bcfun, icfun in pdepe? e.g. in pdefun: function [c,f,s] = heatcyl(x,t,u,dudx) c = 1; ...

2 months ago | 2 answers | 0

2

answers

Question

unable to adjust real time views of surf plots in plot-drawnow animations
In plot-drawnow animations, how to use the mouse to adjust the view of a 3d surf plot? I've found that there's no response to an...

2 months ago | 1 answer | 0

1

answer

Question

time integration in solvepde (=pde toolbox?)
solvepde (=pde toolbox?) seem to be based on finite elements. If so what time integration (ode23 etc) is adopted?

3 months ago | 1 answer | 0

1

answer

Question

different PDEs to solve through events in pdepe
There is a model defined by a pointwise PDE solving for u(x,t), i.e. it is PDE1 when u(x,t)>0 and PDE2 when u(x,t)<=0. Can one u...

3 months ago | 0 answers | 0

0

answers

Question

how to change time integration in pdepe
ode15s is used in pdepe. How to change it to say ode23 etc when in need?

3 months ago | 1 answer | 0

1

answer

Question

How to stop loops or close figures in live scripts
I wanna use live scripts to run a loop updating an animation because this will allow to playback the animation. In the normal co...

3 months ago | 1 answer | 0

1

answer

Question

stop animations with pause()
I wanna stop/break/suspend the following animation without using ctrl+c, how? for i=1:10 plot(linspace(0,1),linspace(0,1)...

3 months ago | 2 answers | 0

2

answers

Question

plot style of 'OutputFcn'=odeplot in odeset
The following code can plot the solution of the ode with 'odeplot' rather than using 'plot'. options = odeset('OutputFcn',@odep...

3 months ago | 1 answer | 0

1

answer

Question

pdepe/pde1dm's vectorized option
In pdepe, when vectorized is turned on, the elapsed time is the same as that when vectorized is off. Why no improvement? The ...

3 months ago | 0 answers | 0

0

answers

Question

pde1dm with coupled ODEs
According to the pde1dm manual, pde1dm with coupled ODEs has to do with three additional arguments to the pde1dm function: [sol...

3 months ago | 1 answer | 0

1

answer

Question

ode23, 45, 15s, 15i for conservative ODEs
Which of ode23, 45, 15s, 15i are dissipative or anti-dissipative for conservative ODEs?

3 months ago | 1 answer | 0

1

answer

Question

pde1dm compared to pdepe
pde1dm is an extended version of pdepe and it can solve equations pdepe can't solve. I wonder about the differences between thes...

3 months ago | 2 answers | 0

2

answers

Question

Spatial discretization in pdepe compared to others
The spatial discretization in pdepe seems to be a unique one. Could someone please explain it briefly so that it is understandab...

3 months ago | 0 answers | 0

0

answers

Question

whether meshes affect computational step lengths in pdepe
In pdepe the user specifies an xmesh and tmesh. Do these meshes affect what meshes and computational step lengths adopted by the...

3 months ago | 1 answer | 0

1

answer

Question

why 'parabolic' and 'hyperbolic' not recommended for solving PDEs
why are 'parabolic' and 'hyperbolic' not recommended for solving PDEs and instead 'solvepde' is recommended? Aren't they all bas...

3 months ago | 1 answer | 0

1

answer

feynman feynman

Statistics

Thankful Level 4

MATLAB Answers

First Review

File Exchange

Thankful Level 2

MATLAB Answers

Feeds

1

1

1

1

1

1

1

0

1

1

1

0

1

1

0

2

1

1

0

1

1

2

1

0

1

1

2

0

1

1