Habib

Last seen: 9 mois il y a | Actif depuis 2014

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How to set different marker for some different values?
Hi, I have a 2D matrix. I want to set different markers for some different values. How it possible? for example: x=linspace(1...

plus de 5 ans il y a | 1 réponse | 0

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How plot a figure like this attached figure?
Hi, I have some laser beam amplitude profile and I want to plot this profiles like follow fig in matlab. infact, I have trie...

presque 6 ans il y a | 1 réponse | 0

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Question

Extract the X and Y values of curve in image
Hi every one. I have an image like this I want to extract X and Y curve values. Unfortunately it's .fig file was lost. I hav...

presque 6 ans il y a | 2 réponses | 0

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Question

How to fix this error?
I tried to run below script but "The grid vectors do not define a grid of points that match the given values." error is appeare...

plus de 8 ans il y a | 2 réponses | 0

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I got error in plotting
Hi everyone, I tried to plot a figure by contour command and after I defined a set command for make changing on K values but ...

plus de 9 ans il y a | 1 réponse | 0

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Question

how to normalization of y axis?
Hi, I plot a figure that its y-axis limit is so greater than another figure, when I make a comparison. under figure i...

plus de 9 ans il y a | 2 réponses | 0

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Question

How to product two vector with difference sizes?
Hi, I need to product two vector as Ta and r1 but I got error (In an assignment A(I) = B, the number of elements in B and I ...

plus de 9 ans il y a | 1 réponse | 0

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Question

How it is possible to find the eigenvalues of a 2*2 matrice without using of eigen function?
Hi every one, I tried to fine eigenvalues of 2*2 A matrix with det(A-landa*I) and my script is follow as: clc clear all...

presque 10 ans il y a | 1 réponse | 0

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Question

How summation of two matrix so that one element of A matrix summed with B matrix and save in M(1,1)?
Hi every one. I want to make summation of two A and B matrices so that one element summed with all elements of B matrix and s...

environ 10 ans il y a | 2 réponses | 0

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Question

how plot amplitude of mode from eigenvector?
Hi every body. For solving an integral (this integral is Huygens Fresnel integral and it is useful for find modes of a laser ...

environ 10 ans il y a | 1 réponse | 0

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Question

How it is possible to sum these two matrix as a vector?
Hi guys. I'd like to write summation these two matrix as two vectors that defined as C1 And C2 .For writing a program for it ...

plus de 10 ans il y a | 2 réponses | 0

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Question

How can define a vector?
Hi every one. I want to define below vector: V=x*i+ y*j (where "i" and "j" are unique vectors and "x" and "y" are matrix c...

plus de 10 ans il y a | 1 réponse | 0

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Question

Problem in numerical integration
Hi every one. I want to by means of "Trapz" do numerical integration but when I plot the result data, its shape is not what ...

plus de 10 ans il y a | 1 réponse | 0

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Question

why result is zero?
Hi everybody. In second "for" nesting loop, I want to use Trapz command (numerical integration) for integration from an N*N mat...

presque 11 ans il y a | 1 réponse | 0

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Question

why I got zero answer?
Hi everyone. In below codes I used the trapz command for integration of u1_1, but answer is zero, what is wrong? And if I wan...

presque 11 ans il y a | 3 réponses | 0

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Question

plot the power of laser respect to iteration number
Hi every one I need an opinion or example to plot a power of a laser respect to iteration number. suppose a laser do 50 ro...