# xv cheng

Last seen: 대략 4년 전 2018년부터 활동

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Matlab can't access to Internet. My version is Matlab 2018a, on Ubuntu system. I click Login button on th top right corner ,but there is no reponse.Help browser is always an blank page.
Matlab can't access to Internet. My version is Matlab 2018a, on Ubuntu system. I clicked Login button on the top right corner...

5년 초과 전 | 답변 수: 0 | 0

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How to get the confidence intervals of regression coefficients in nlinfit?
I used nlinfit or lsqcurvefit to do non-linear fit. [beta,R,J,CovB,MSE,ErrorModelInfo] = nlinfit(X,Y,@myfun,beta0) How to...

거의 6년 전 | 답변 수: 2 | 0

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How to set an assumption on a symbolic variable in a symbolic expression?
Hello! I want to solve some equations using symbolic math toolbox.I only get some strings like '3*x1-2*x2'.x1,x2 should be po...

거의 6년 전 | 답변 수: 1 | 0

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How to get struct value solX.x1 with a symbolic variable x1?
Hello！I have a symbolic expression like expr=3*x1-2*x3 I solve a equation using vpasolve and get a struct called solX. ...

거의 6년 전 | 답변 수: 1 | 0

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How to release a python app with matlab functions?
I'm writing a python GUI app that needs matlab functions .The app runs on the PC without matlab.I create python package using ma...

거의 6년 전 | 답변 수: 0 | 0

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How to create a symbolic expression with a string like '5.01e-7*x2 - 5.01e-7 + (-9*x1 + 4)/x1'?
The string is '5.01e-7*x2 - 5.01e-7 + (-9*x1 + 4)/x1' I want to create syms x1,x2 and symbolic expression: 5.01e-7*x2 - 5.01e...

거의 6년 전 | 답변 수: 1 | 0

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I ues mcc -W python:myAdd -T link:lib myAdd.m to create a python package.How do I call it in python?