Edit msfcndemo_limintm.mdl for definite integral respect to any function not equal to time

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cyberdyne 2011-2-28

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https://ww2.mathworks.cn/matlabcentral/answers/2170-edit-msfcndemo_limintm-mdl-for-definite-integral-respect-to-any-function-not-equal-to-time

Hi,

I don't know C-language but i ask how i can edit (if it's possible) S-function code in msfcndemo_limintm.mdl integrator block, to output a definite integral of an input function f(x) with integration bounds (low and high) as input and respect to any x-function as input not necessarily equal to time.

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Answer 1

Kaustubha Govind 2011-2-28

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https://ww2.mathworks.cn/matlabcentral/answers/2170-edit-msfcndemo_limintm-mdl-for-definite-integral-respect-to-any-function-not-equal-to-time#answer_3459

Block derivatives in Simulink are computed w.r.t time, so it is not possible to utilize the Simulink solver to integrate w.r.t. an arbitrary variable.