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Lei LIU


Aerospace city

4 total contributions since 2019

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How to get coefficients of triangular functions in an expression
for example, X=k*sin(p1 + x*t) + c*sin(2*p1 + 2*x*t) when I used 'coeffs' as: [P, T]=coeffs(X,'sincos') The result is: P = k...

6 maanden ago | 0 answers | 0

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answers

Question


How to find the maximal order of a symbolic expression composed by multi vars???
X=4*c4*x^3 - 15*c5*x^2*y^2 - 15*c5*x^2*z^2 + 3*c3*x^2 ; in which c3,c4 and c5 are constants; x, y and z are variables. so the m...

6 maanden ago | 0 answers | 0

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answers

Answered
What happened for "simple" command in matlab 2016
I meet the same problem, i.e., the result of 'simplify' is not desired but 'simple' works well.

6 maanden ago | 0

Answered
Why does the "simple" function in the Symbolic Math Toolbox cause MATLAB to hang when trying to simplify my expression?
I also notice the problem and find that I can't get the desired result by 'simplify'. The function of 'simple' is very useful. I...

6 maanden ago | 0