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Miraboreasu


Last seen: 1 day ago Active since 2022

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Symbolic rewritten in matlab
alpha=log(r)/t0/(r-1); beta=r*log(r)/t0/(r-1); p0=p*(exp(-alpha*t)-exp(-beta*t))/(exp(-alpha*t0)-exp(-beta*t0)); %r=? ...

2 months ago | 1 answer | 0

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answer

Question


scatter 2d plot with value in color
clear x=1:5; y=1:6; data=linspace(1,300,30); figure() scatter(x,y,[],data,'filled') colorbar colormap jet xlabel(...

2 months ago | 1 answer | 0

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Solving nonlinear function using fzero, Error Function values at the interval endpoints must differ in sign.
``` Imp=100; t0=1e-6; P=204000000; Tf=2e-3; x = fzero( @(x) myfunction(x, t0, Imp, P, Tf), [1.001, 10000]); function [f]...

2 months ago | 1 answer | 0

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Intermediate step return ```InF``` while using exp
``` aa=8e+05; bb=1e+06; tf=0.002; temp=(-(bb*exp(bb*tf)-aa*exp(aa*tf))*exp(-bb*tf-aa*tf)+bb-aa) ``` Output is InF I bel...

2 months ago | 1 answer | 0

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Question


because NaN or Inf function value encountered during search while using fzero
I have a nonlinear equation---5e6-5e6*(exp(-aa*xt)-exp(-bb*xt))/(exp(-aa*1e-6)-exp(-bb*1e-6))=0 I am thinking is that due to th...

2 months ago | 1 answer | 0

1

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Question


Have latex (bold) and variable in legend of a figure
Hello, I have two lines in one figure, one is called error, and the other is typed by latex form as well as the first element o...

3 months ago | 2 answers | 0

2

answers

Question


Looking for an Auto Differentiation package can be easily used as a function
I construct a neural network in MATLAB using the basic array since I have no experience in the neural network toolbox. Now I nee...

4 months ago | 1 answer | 0

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Question


Functions are not defined in physics informed neural network documentation
Hello, I am using R2020a In this document, many functions are not defined. https://www.mathworks.com/help/deeplearning/ug/so...

5 months ago | 1 answer | 0

1

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Question


A good tutorial of Solve Partial Differential Equations Using Deep Learning (physics informed neural networks)
Hello, instead of Python, I want to learn physics informed neural networks in MATLAB. I am using R2020a https://www.mathworks.c...

6 months ago | 3 answers | 0

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answers