Sundials solvers in Matlab

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Ajinkya 2025-3-29

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https://ww2.mathworks.cn/matlabcentral/answers/2175796-sundials-solvers-in-matlab

移动：Torsten 2025-3-30

在 MATLAB Online 中打开

I am getting following error

" Error in IDASolve (line 64)

[varargout{:}] = idm(mode,tout,itask); "

IDASolve is a matalb function with

mode = 20;
if nargin ~= 2
    error('Wrong number of input arguments');
end
if nargout < 3 || nargout > 5
    error('Wrong number of output arguments');
end
varargout = cell (nargout, 1);
[varargout{:}] = idm(mode,tout,itask);

How do I rectify this. Thanks

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Steven Lord 2025-3-29

FYI as of release R2024a, several of the SUNDIALS solvers are available in MATLAB proper via the ode object. See the Release Notes.

Ajinkya 2025-3-30

移动：Torsten 2025-3-30

DAE_IDAS - Copy.txt

@Image Analyst please find the code attached.

I am using sundials 2.6.2 version alongwith the sundialsTB toolbox to integrate the solvers available in sundials in order to solve the Differential Algebraic Equations.

IDASolve is a user defined function inside of the sundialsTB toolbox.

I am aware that the latest versions of Matlab contains the SUNDIALS solvers but I still wanted to use the sundials toolbox.

The above error I am getting when I run the DAE_IDAS.m file (attached file).

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