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Mateusz


Con actividad desde 2011

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How to read all lines in txt file satisfying some condition
Let's assume we have the following format in the file: 1 str1 0 str2 1 str3 ... that is in each line we have: the first c...

alrededor de 11 años hace | 1 respuesta | 0

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Is it possible to recover from the Matlab Segmentation Fault error?
Is it possible to recover from the Matlab Segmentation Fault error from the Matlab source code? More precisely I am talking a...

alrededor de 11 años hace | 1 respuesta | 0

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Visualization of the legend outside of the image
Hi, I am using the following code to visualize the image with legend: currImg = imread(imagePath); fig = figure('...

alrededor de 11 años hace | 1 respuesta | 0

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Is there faster way of computing loop; max(w .* x); pool; ?
Let's assume I have a matrix x \in R[#features, #data] and matrix w \in R[#units, #features]. Currently I am computing max per u...

casi 12 años hace | 1 respuesta | 0

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How to check the current line (debug)
I often use 'keyboard' command to debug my programs (since sometimes I have to use command line and matlab -nodisplay setup). Wh...

más de 12 años hace | 2 respuestas | 0

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compilation using matlab and bash scripting
I have a bash script where I invoke the matlab compiler with some arguments, that is mcc ${MCC_ARGUMENTS}. Now I would like to ...

casi 13 años hace | 1 respuesta | 0

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Finding indices when vectors is used
Assume we have x = [1,2,3,1]; If I execute idx = find(x == 1) then idx == [1,4]. Is there similar command for extracting...

casi 13 años hace | 1 respuesta | 0

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Concatenation in Matlab (with or without copying elements)
Assume we have X = [A, B] where A and B are two vectors (or matrices). Is concatenation operation copies elements in A? If so is...

casi 13 años hace | 2 respuestas | 1

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mex etymology and prononcuation
What is the meaning of mex (where does it come from)? What is correct pronunciation? In particular the last letter is English 'x...

casi 13 años hace | 1 respuesta | 1

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Difference between adding and including (MCC)
What is difference between adding (option -a) and including (option -I) folder to the working path during compilation (MCC)? ...

casi 13 años hace | 0 respuestas | 0

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Fast multiplication of rows of one matrix and columns of the second matrix
I would like to compute v(k) = A(k, :)* B(:, k) as fast as possible (no-loops). Currently, I am doing diag(A * B) but it h...

alrededor de 13 años hace | 2 respuestas | 0

2

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Fast function application
Hi, Let a be n-dimensional vector, B n-by-n dimensional matrix, f(a, b) - binary function that operates on two vectors, and r...

alrededor de 13 años hace | 1 respuesta | 0

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Optimization with respect to matrix
Hi, I have the following problem to solve: argmin_X |||| Xu - b ||||^2 where u and b are given (vectors), and |||| . |||| is l...

alrededor de 13 años hace | 1 respuesta | 0

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mcc and startup
Hi, In startup.m in my home directory I use addpath to include additional libraries. Now I would like to compile some source ...

más de 13 años hace | 1 respuesta | 0

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How to deal with the problem of the changing size data?
I have the following code: im = {}; k = 0 while not_end(): im = {im{:}, dir(filepath, fileArray(k))}; k = k + 1...

más de 13 años hace | 1 respuesta | 0

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How to get data from figures produced by errorbars?
I have a figure which was produced by using errorbars command. It plots the mean data and corresponding error bars. Now I woul...

más de 13 años hace | 1 respuesta | 0

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Merging two figures
I have two figures with different plots. I would like to merge them into one figure that contains both plots and with keeping th...

más de 13 años hace | 4 respuestas | 2

4

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Draw the minimal value from the plot
Let assume we have plot of some function (actually we have plot of the function-values at some sample points). Is it possible to...

más de 13 años hace | 1 respuesta | 0

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