Risposto
PDE Parabolic coefficient
Hi, PDE Toolbox accepts c-matrices in many different forms depending on whether the matrix is symmetric, unsymmetric or diag...

quasi 14 anni fa | 0

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Risposto
PDE toolbox heat transfer solution
>Does anyone know the relationship between a node value in the point matrix 'p' and a node value in the solution vector 'u? T...

quasi 14 anni fa | 0

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Risposto
Can I assign values at nodal points for boundary condition?
This is not a standard function in PDE Toolbox but it can be done if you’re willing to do some programming. One way to do th...

quasi 14 anni fa | 0

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Risposto
Importing data file to mesh in pdetool?
Hi Jesse, I don't know of any way to import geometry into the pdetool GUI. However, an alternative is to use the PDE Toolb...

quasi 14 anni fa | 0

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how to specify initial conditions on a given subdomain, for a pde
Alessio, The PDE Toolbox allows you to specify initial conditions as a MATLAB expression or by defining a user-written MATLA...

circa 14 anni fa | 0

Risposto
The ability of PDE toolbox
The simple answer to your question is "yes." Of course we would have to know more about your particular system of PDE to say...

circa 14 anni fa | 0

Risposto
How to solve a nonlinear parabolic equation
Qingyuan, Unfortunately, the current version of PDE Toolbox does not support nonlinear transient equations. The function para...

circa 14 anni fa | 0

Risposto
f parameter in parabolic() heat equation example
Robert, It looks to me like you've found an error in the PDE Toolbox documentation. I agree with you that f should be zero f...

circa 14 anni fa | 0

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How to set the coefficient of PDE equation as a user-defined matlab function?
Qingyuan, As you've observed, supplying a MATLAB function for the c coefficients is somewhat different than if you just dire...

circa 14 anni fa | 0

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Risposto
Problem with parabolic - "Need a better guess y0 for consistent initial conditions."
Rusian, Unfortunately, the current version of PDE Toolbox does not support nonlinear transient equations. The function parab...

circa 14 anni fa | 0