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how can I use parameter instead of equation in dsolve
Hi Frank, you can try something like clear all; syms a x; l=a*x; dsolve(['Dx= ' char(l)]) The point is that variabl...
plus de 13 ans il y a | 0
| A accepté
solve a differential equations system with DSOLVE
Hi Valentina, hi All, I have tried to solve the example symbolically and I also did not find a way. When entering dsol...
presque 14 ans il y a | 0
| A accepté
symprod error
Hi Ima, the function SYMPROD was introduced in R2011b. In addition to that the function SYMPROD is for computing products...
presque 14 ans il y a | 1
system of two linear ordinary differential equations
Hi, I think the system should be solvable without any issues. Here is the MATLAB code to solve the system and to verify the ...
presque 14 ans il y a | 1
| A accepté
problem with psi digamma function
Hi Ali, just for the future: you may want to have a look at mfunlist in the Symbolic Math Toolbox interface in MATLA...
presque 14 ans il y a | 0
Functions
Hi Milos, I think using the Symbolic Math Toolbox is a good recommendation for the problem. Here is what I would do in M...
environ 14 ans il y a | 0
sum funtion problem
Hi, just an additional comment: you can use the function SYMSUM from the Symbolic Math Toolbox to compute closed form repres...
environ 14 ans il y a | 0
HAVE A PROBLEM WITH DSOLVE
Hi, I agree with Walter. I tried the command in R2010a and it works when you have the Symbolic Math Toolbox installed. B...
plus de 14 ans il y a | 0
Let me know RootOf, X90(and X98 ... X_variable) to solve equation by using of Symbol method
Hi, the 'RootOf' is a way to encode the symbolic solutions of polynomials of higher degree for which either no symbolic closed...
plus de 14 ans il y a | 0
problem with 'solve' function in matlab 2008 and upper
Hi, I agree with Walter's recommendation. I just would like to add that the results returned by solve are SYM objects and scala...
plus de 14 ans il y a | 0
Change in subs() functionality from 2010b to 2011 a and b?
Hi Joseph, I have tried to run a simplified example in 10b and 11a und it does not show any errors. Here is what I have tried ...
plus de 14 ans il y a | 0
matlabFunction produces file with insufficient precision?
Hi, without knowing all the details and understanding the overall problem, I would guess it could help to set up the data stri...
plus de 14 ans il y a | 0
error using matlabFunction : 'Error: argument must be of type 'Type:arithmetical' [cos]
Hi, just an additional comment: the names theta and beta are reserved names in MuPAD (which is the symbolic engine for the S...
plus de 14 ans il y a | 0
| A accepté
extra variables
Hi Jason, two things come to my mind which could be helpful. First: defining P0 and afterwards using it in a character strin...
plus de 14 ans il y a | 0
MuPAD
Hi, when you have the Symbolic Toolbox with MuPAD installed, then you can just execute the command "mupad" inside the MATLAB...
plus de 14 ans il y a | 1
Symplifying numerical expression in Symbolic Math
Hi Chris, if you have the result inside of MuPAD and there are no symbolic variables remaining in the result, then you can j...
plus de 14 ans il y a | 0
how to solve symbolic function exactly?
Hi, I am not sure which result exactly you are expecting to obtain, but it seems you could specify the variables you would lik...
plus de 14 ans il y a | 0
How to get the coefficients of the minimal polynomial ?
Hi Palash, I think the following MATLAB function could do the job for your problem: function p = minpoly(A) p = ev...
plus de 14 ans il y a | 1
| A accepté
Cholesky factorization on symbolic matrix
If you want to do the computation inside of MuPAD, you can use n:= 4: A:= matrix([[c.i.j $ i = 1..n] $ j = 1..n]): linalg...
plus de 14 ans il y a | 0
| A accepté
