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Antonio Sereira


Last seen: 4 years ago |  Active since 2015

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Answered
Optimiziation of the Transmission
Dear Thiri Su, It depends what kind of method you use. I used the RCWA (rigorous coupled wave analysis) to get the calculatio...

6 years ago | 0

Question


Put threshold option in imregionalmax
Hi! I have a 2D matrix A and I got with B=imregionalmax(A) a binary array B. Here 1 is for a local maxima and zero ...

7 years ago | 0 answers | 0

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answers

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Convert cell array to matrix
Hi! I have a 1x100 cell array A and each cell has a different size, e.g. in cell 1 there are 5 numbers 23,24,66,78,55 and in ...

7 years ago | 1 answer | 0

1

answer

Question


Find local maxima of a matrix and the neighboring elements
Hi! I have a 2D matrix A and I used B=imregionalmax(A) Now the matrix B contains 1 for all identified maximas. Bu...

7 years ago | 2 answers | 0

2

answers

Question


Correlation of 2D matrix and 3D Matrix
Hi, I have a 3D matrix/array A and a 2D matrix/array B. I want to correlate index B(i,j) to A(i,j,k) where the element (1,1) ...

7 years ago | 0 answers | 0

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Answered
Images in Digital micrograph
Hi, I extracted the data of the image and I got now a big matrix. I plot them and choose only certain columns. If I want to set...

7 years ago | 0

Question


Matrix data analysis from DM3 Image
Hi, I have a matrix with 10000 rows and 200 columns. I want to process the last 35 columns by setting a threshold. Graphs bel...

7 years ago | 0 answers | 0

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answers

Question


Images in Digital micrograph
Hi, I would like to extract the dark pixels of an DM3 image. For that I thought to get the line profile and set a threshold. ...

7 years ago | 2 answers | 0

2

answers

Answered
saving each iteration of Nested for-loops in a matrix
Hi! The problem is that I have to save each output in a matrix like the first column of matrix A (correspond to output y1) ar...

9 years ago | 0

Question


saving each iteration of Nested for-loops in a matrix
Hi! I have a nested for-loop (f. ex.: ii=1:length(x1), jj=1:length(x2),...) in which I call my function file. The function h...

9 years ago | 2 answers | 0

2

answers

Question


Rewrite one Function with multiple output into several function with each one output!
Hi! I am new here and I make my first experiences with MATLAB. I have one question about functions with multiple output argum...

9 years ago | 0 answers | 0

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answers

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Run a vectorelement in a for loop
Hi! I have a vector x=[x(2),x(3),x(4),....,x(9)]. Now I want to change/run each element in a for loop. I did: if true ...

9 years ago | 0 answers | 0

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Question


Optimization of one output of a vectorfunction using fminunc
Hi! Last time I got a very helpful idea. Now I defined a vectorfunction which has several variables x1,x2,x3,u1,u2 and also s...

9 years ago | 1 answer | 0

1

answer

Question


Optimiziation of the Transmission
Hi! I have a big problem. I want to optimize a simulation which is available online. The simulation use the Transfer matrix meth...

9 years ago | 3 answers | 0

3

answers