Estadística
CLASIFICACIÓN
392
of 295.448
REPUTACIÓN
204
CONTRIBUCIONES
0 Preguntas
97 Respuestas
ACEPTACIÓN DE RESPUESTAS
0.00%
VOTOS RECIBIDOS
14
CLASIFICACIÓN
6.039 of 20.227
REPUTACIÓN
190
EVALUACIÓN MEDIA
4.50
CONTRIBUCIONES
1 Archivo
DESCARGAS
13
ALL TIME DESCARGAS
1816
CLASIFICACIÓN
81.169
of 153.872
CONTRIBUCIONES
0 Problemas
2 Soluciones
PUNTUACIÓN
30
NÚMERO DE INSIGNIAS
1
CONTRIBUCIONES
0 Publicaciones
CONTRIBUCIONES
0 Público Canales
EVALUACIÓN MEDIA
CONTRIBUCIONES
0 Temas destacados
MEDIA DE ME GUSTA
Your submissions were downloaded 10 or more times in a month
Awarded to Bill Greene on 01 May 2020
Your submissions received 1 five star rating
Awarded to Bill Greene on 09 Oct 2019
Publish your first submission
Awarded to Bill Greene on 09 Oct 2019
Contribute at least one answer each month for 12 consecutive months
Awarded to Bill Greene on 20 Jul 2017
Answer 3 questions that were unanswered for more than 30 days
Awarded to Bill Greene on 20 Jul 2017
20 of your answers have been accepted
Awarded to Bill Greene on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Bill Greene on 20 Jul 2017
Solve a problem for the first time
Awarded to Bill Greene on 23 Jun 2014
Feeds
Enviada
Deflection of a Square Plate Calculated With PDE Toolbox
Deflection of a Square Plate Calculated With PDE Toolbox
alrededor de 8 años hace | 13 descargas |
Solving 2 PDEs across one domain.
This documentation page shows how to specify an f-coefficient on a specific domain: <http://www.mathworks.com/help/pde/ug/sca...
más de 10 años hace | 0
| aceptada
Resuelto
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
más de 10 años hace
Resuelto
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
más de 10 años hace
Simulation of coupled partial differential equation using MATLAB.
I took a look at your attachment and think I understand most, but not all, of the problem you are trying to solve (I don't under...
más de 10 años hace | 0
| aceptada
Problems with LDL factorization
Have you tried solving the over-determined system directly: x = A\b; Computing using the normal equations, A'*A, is almost...
más de 10 años hace | 0
Can I use Poisson equation or any equation with desired parameters in PDE Toolbox using Rectangular shape?
Take a look at this example: <http://www.mathworks.com/help/pde/ug/electrostatics.html> Bill
más de 10 años hace | 0
Why aren't the essential boundary conditions fulfilled?
I ran this example in R2014a of MATLAB and I do get -1 at the lower left corner (and upper right) I created the example in pd...
más de 10 años hace | 0
| aceptada
Solve parabolic coupled PDE's using MATLAB's pdepe solver?
Yes, pdepe can definitely solve systems of pde. In general, the u argument to the functions you define has as many rows as ther...
más de 10 años hace | 0
| aceptada
structured quadrilateral mesh in PDE Toolbox
There is no support for quadrilateral elements in PDE Toolbox-- either in the meshers or the computational modules. However, if...
más de 10 años hace | 0
| aceptada
How to define a temperature dependent parameters in a PDE Toolbox?
Yes, PDE Toolbox allows the coefficients to be functions of the dependent variables (e.g. temperature). This documentation page ...
más de 10 años hace | 2
| aceptada
Setting up the initial conditions for BVP4C?
From your call to bvpinit where you have this [0.01; 0.9] for the initial guess, it looks like you have 2 differential equation...
más de 10 años hace | 1
Matlab hyperbolic PDE equation errors
There are several ways to define PDE Toolbox coefficients that vary spatially. But, defining the value of the coefficient at eve...
más de 10 años hace | 1
How to solve system of three nonlinear PDE?
pdenonlin is for solving only PDE that are not a function of time. However, the parabolic function can solve equations that a...
más de 10 años hace | 0
| aceptada
Solve a non linear differential equation systems with only boundary conditions
You have a system of two first order differential equations so you need just two boundary conditions. I would guess that specify...
más de 10 años hace | 0
Reg. PDEPE 's internal discretization of time
pdepe uses the variable time step ODE solver, ode15s, internally. http://www.mathworks.com/help/matlab/ref/ode15s.html The...
más de 10 años hace | 1
| aceptada
Insert f coefficient in pdetool
Do you calculate F in fcoeff? If so, you can make it a global variable and it will retain its value between calls to fcoeff. ...
más de 10 años hace | 0
pdepe daeic12 (line 77) eror
I don't see any boundary conditions on c3. I think this may be the cause of your problem. Bill
más de 10 años hace | 0
Error solving simultaneous PDEs.
The first thing I should say is that pdepe is designed to solve systems of parabolic and elliptic PDEs. Practically this means t...
más de 10 años hace | 0
create sparse matrix from diagonal arrays
This doesn't exactly answer your question but still may be useful. This example: http://math.mit.edu/cse/codes/mit18086_poiss...
más de 10 años hace | 0
| aceptada
How to implement irregular, time-dependent boundary condition in PDEPE function?
I think that pr = interp1(timedata, tempdata, t) - ur; may be what you need. Assuming the lengths of timedata and temp...
más de 10 años hace | 1
| aceptada
How can I solve a PDE with given coefficients in time?
Take a look at this example: <http://www.mathworks.com/help/pde/ug/nonlinear-heat-transfer-in-a-thin-plate.html Nonlinear Hea...
más de 10 años hace | 0
| aceptada
Function of boundary conditions PDEPE
To set the temperature at each end to fittedmodel(t), you would define: pl = ul-fittedmodel(t); pr = ur-fittedmodel(t); ...
más de 10 años hace | 0
calculate the capacitance with PDE toolbox
One of the simplest ways to calculate capacitance using PDE Toolbox is from the energy: C = 2*U/V^2 where U is the electrostatic...
más de 10 años hace | 1
| aceptada
How to control times at which PDE Toolbox solves a parabolic equation?
I'm afraid I wasn't able to run your example. I believe that your fcoeff function has an error in it. I did take a look at th...
más de 10 años hace | 0
| aceptada
Calculation of Jacobian for ode15s in hyperbolic/parabolic-Solver?
If the Jacobian is a function of the dependent variables (or time), ode15s will typically call pdehypdf many times during a com...
más de 10 años hace | 0
Calculation of Jacobian for ode15s in hyperbolic/parabolic-Solver?
Hi Lena, Yes, you are correct that the Jacobian calculated in parabolic/hyperbolic is only approximate. However, in my experi...
más de 10 años hace | 0
| aceptada
How to control times at which PDE Toolbox solves a parabolic equation?
>This does not yield correct results at the time values I ask it to plot the results So, why don't you request results at the...
casi 11 años hace | 0
eigs - Error with ARPACK routine znaupd: info = -8
I'm not certain what the problem is but I can suggest something to try. I'll assume you really want around 20 eigenvalues. By...
casi 11 años hace | 0
Does hyperbolic-solver really use a nonlinear solver?!
Hi, Unfortunately, I believe you have uncovered a bug in the hyperbolic function that occurs when you have a nonlinear equati...
casi 11 años hace | 0
| aceptada
También puede seleccionar uno de estos países/idiomas:
América
- América Latina (Español)
- Canada (English)
- United States (English)
Europa
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom(English)
Asia-Pacífico
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)