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Lu Zhao


Last seen: 2 years 前 |  自 2020 起处于活动状态

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How to find all the numerical solutions of a nonpolynomial equation by using "vpasolve"
Hi, I am solving a nonpolynomial equation, and "vpasolve" keeps returns no solution or zero solutions. ...

2 years 前 | 1 个回答 | 0

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Solve a symbolic equation in more than one variables
Hi, There is an ODE equation in terms of "u(r)". And there are several other variables in the equation, one of them is called "...

3 years 前 | 1 个回答 | 0

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Help with simplifying a complex symbolic expression
There is a symbolic expression, and one of the variable "U_j0" can be cancled out. But when I use "simplify()" command, "U_j0"...

3 years 前 | 1 个回答 | 0

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Simplify a long symbolic expression
The variable "U_j0" can be canceled by simplifying the equation by hand, but it doesn't work by using command "simplify()". ...

3 years 前 | 0 个回答 | 0

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Solve symbolic equation system
There is a symbolic equation system like this and wonder if any one could help me out by solving this equation system symbolical...

3 years 前 | 1 个回答 | 0

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How to simplify a symbolic equation, but still keep the denominator
Hi, Here is a simplified equation for my problem: I would like to cancle "b" only at both side .(Euqation is in the code, "eq...

4 years 前 | 1 个回答 | 0

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How can I solve a algebraic equation with "fzero" ?
Solve "w" from an agebraic equation f [w; k,m,S,a]=0 . (All other symbols are constant values. The equation is shown in the end ...

4 years 前 | 1 个回答 | 0

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