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宏宇


Last seen: 2 years ago |  Active since 2022

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Newton iteration doesn't run smoothly
The author hopes to obtain the correct temperature distribution through Newton iteration. This program is composed of three equ...

2 years ago | 1 answer | 0

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Question


Symbolic parameters not supported in nonpolynomial equations. in Newton iteration
The purpose of this program is to solve 'x' by Newton iteration. The author knows that there is a problem with 'vpasolve', but ...

2 years ago | 1 answer | 0

1

answer

Question


How to solve "Rank deficient, rank = 7, tol = 6.169247e+09." in nlinfit
When the authors use nlinfit to fit the data, they consistently show a rank deficit. Is it because of the initial value setting?...

2 years ago | 1 answer | 0

1

answer