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Mateusz


Attivo dal 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...

oltre 11 anni fa | 1 risposta | 0

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Domanda


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...

oltre 11 anni fa | 1 risposta | 0

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Domanda


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('...

oltre 11 anni fa | 1 risposta | 0

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Domanda


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...

circa 12 anni fa | 1 risposta | 0

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Domanda


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...

quasi 13 anni fa | 2 risposte | 0

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Domanda


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 ...

quasi 13 anni fa | 1 risposta | 0

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Domanda


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...

quasi 13 anni fa | 1 risposta | 0

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Domanda


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...

circa 13 anni fa | 2 risposte | 1

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Domanda


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...

circa 13 anni fa | 1 risposta | 1

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Domanda


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)? ...

circa 13 anni fa | 0 risposte | 0

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Domanda


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...

oltre 13 anni fa | 2 risposte | 0

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Domanda


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...

oltre 13 anni fa | 1 risposta | 0

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Domanda


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...

oltre 13 anni fa | 1 risposta | 0

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Domanda


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 ...

oltre 13 anni fa | 1 risposta | 0

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Domanda


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...

oltre 13 anni fa | 1 risposta | 0

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Domanda


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...

quasi 14 anni fa | 1 risposta | 0

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Domanda


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...

quasi 14 anni fa | 4 risposte | 2

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Domanda


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...

quasi 14 anni fa | 1 risposta | 0

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