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xv cheng


Last seen: 4 years ago |  Active since 2018

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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...

6 years ago | 0 answers | 0

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answers

Question


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...

6 years ago | 2 answers | 0

2

answers

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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...

6 years ago | 1 answer | 0

1

answer

Question


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. ...

6 years ago | 1 answer | 0

1

answer

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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...

6 years ago | 0 answers | 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...

6 years ago | 1 answer | 0

1

answer

Question


I ues mcc -W python:myAdd -T link:lib myAdd.m to create a python package.How do I call it in python?
matlab code : function [ x ] = myAdd(a,b) x=a+b; end In matlab command window: mcc -W python:myAdd -T link:lib myAdd.m T...

6 years ago | 1 answer | 0

1

answer