Yuting

Last seen: 7 months ago | Active since 2023

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Question

How to define transfer variables when solving equations in 1stOpt?
I am trying to solve a non-linear integration equations in 1stOpt. The parameters to be solved are x1, y1, Uratio, and 5 transfe...

9 months ago | 1 answer | 0

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Question

Error: Limits of integration must be double or single scalars. While solving equations numerically with symbolic integral limits
Problem Description: The equation system to be solved {f1=0, f2=0, f3=0} contains variables pl and pr. The expressions for pl a...

9 months ago | 2 answers | 0

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Question

非线性积分方程组中含变限积分fsolve数值求解报错: Limits of integration must be double or single scalars
问题描述：待求方程组{f1=0, f2=0, f3=0}中包含变量pl以及pr，pl和pr的表达式中包含上限是变量的积分（代码中加粗部分）。在通过matlabFunction处理为匿名函数后，int被integral替代，而integral不支持变量作...

9 months ago | 1 answer | 0

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Question

Error "Limits of integration must be double or single scalars." when solve equations with "fsolve" function
I want to solve the balance equations like following: % momentum and force balance f1 = int(pl*x,x,-L,0)+int(pr*x,x,0,L)+M/d; ...

9 months ago | 1 answer | 0

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Question

How to solve non-linear equations with integrations?
I want to solve a group of equations like this: f1 = int(pl*x,x,-L,0)+int(pr*x,x,0,L)+M/d; f2 = int(pl,x,-L,0)*sin(alph+tilt)+...

9 months ago | 1 answer | 0

answer

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