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# MOHAMED ABDULAZIM

Last seen: 2 years ago Active since 2020

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The minimum value of a matrix array and its index
Hello everybody, I want to get a single minimum value of a matrix and know its index.What shold I do? Thank you very much

2 years ago | 1 answer | 0

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Question

Error messages during using Genetic algorithm and lsqnonlin optimization functions
Currently,I am running optimization script file by using the outputs from the genetic algorithm function in the least square non...

2 years ago | 1 answer | 0

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Question

Using results from genetic algorithm as initial values in least square non-linear fitting
I have tried to take the initial values from genetic algorithm and use them in the least square nonlinear fit but every time I t...

2 years ago | 0 answers | 0

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Question

Indexing in a vector
I am trying to extract maximum value from a vector by max() function,however I need to know the index of this value in the vect...

2 years ago | 2 answers | 0

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Question

Nonlinear least-squares data fit
I am trying to make a data fit for the data attached to this post,Nu=f(Re,Theta,Beta).I use lsqnonlin(fun,x0) function for this ...

2 years ago | 1 answer | 0

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Question

Surface plot by using three vectors of the same length
How could I generate a surface plot by using three vectors of the same length and there is no relation between them?I know that ...

2 years ago | 1 answer | 0

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Question

Non-linear fitting for more than three variables
I have a heat transfer experimental data set whrere Nu=f(Re,Theta,Beta).The data file is attached to this question.I want to mak...

2 years ago | 2 answers | 0

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Question

Error message in Non-linear fit for more than three variables
% Create an anonymous function that describes the expected relationship % between X and Y fun = @(b,X) b(1)*X(:,1) + b(2)*X(:,...

2 years ago | 0 answers | 0