提问


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 years 前 | 1 个回答 | 0

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提问


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 years 前 | 1 个回答 | 0

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提问


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 years 前 | 0 个回答 | 0

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提问


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

2 years 前 | 1 个回答 | 0

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提问


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 years 前 | 1 个回答 | 0

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提问


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 years 前 | 0 个回答 | 0

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提问


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 years 前 | 2 个回答 | 1

2

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提问


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 years 前 | 1 个回答 | 0

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提问


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?

2 years 前 | 1 个回答 | 0

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提问


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...

2 years 前 | 0 个回答 | 0

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提问


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

2 years 前 | 1 个回答 | 0

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提问


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...

2 years 前 | 1 个回答 | 0

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提问


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)...

2 years 前 | 2 个回答 | 0

2

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提问


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...

2 years 前 | 1 个回答 | 0

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提问


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 ...

2 years 前 | 0 个回答 | 0

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提问


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...

2 years 前 | 1 个回答 | 0

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提问


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

2 years 前 | 1 个回答 | 0

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提问


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...

2 years 前 | 2 个回答 | 0

2

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提问


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...

2 years 前 | 0 个回答 | 0

0

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提问


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...

2 years 前 | 1 个回答 | 0

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提问


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...

2 years 前 | 1 个回答 | 0

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提问


how to sort dlarrays
How to sort dlarrays like in sort(a) , where a is a numeric array? Is there a way of sorting next(mbq) by specifying some opt...

3 years 前 | 1 个回答 | 0

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提问


'addpoints' animation with a control slider
Somehow making an animation with 'addpoints' enables a control slider for the user to slide back and forth to view the animation...

3 years 前 | 1 个回答 | 0

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提问


input argument order in deep learning functions
For those that have many input arguments, does the order of the input arguments affect the result of the function. For example, ...

3 years 前 | 1 个回答 | 0

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提问


'trainingOptions' without 'trainNetwork' in deep learning
options = trainingOptions("sgdm", Plots="training-progress") sets training options. This setting works when training is implem...

3 years 前 | 1 个回答 | 0

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提问


output extra variables through ode23 when there are multiple unknowns
By writing a function below, one can output extra variable v (other than unknown u): function [ut,v]=myode(t,u) ut=u;v=u+1; ...

6 years 前 | 2 个回答 | 0

2

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提问


shortest path algorithm based on a recursive function
The following code is correct 90% of the time. Anybody can find the bug? function dis=wrong(node1,nodes,node2) % distance node...

6 years 前 | 1 个回答 | 0

1

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提问


matlab gets different answers for the same code
for loop=1:10 i12=randperm(n,2); i1=i12(1); i2=i12(2); % i1=2;i2=6; Floyd(i1,i2) Dijkstra(i1,i2) ...

6 years 前 | 1 个回答 | 0

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