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Mateusz


Aktiv seit 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...

etwa 11 Jahre vor | 1 Antwort | 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...

etwa 11 Jahre vor | 1 Antwort | 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('...

etwa 11 Jahre vor | 1 Antwort | 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...

fast 12 Jahre vor | 1 Antwort | 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...

mehr als 12 Jahre vor | 2 Antworten | 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 ...

mehr als 12 Jahre vor | 1 Antwort | 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...

fast 13 Jahre vor | 1 Antwort | 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...

fast 13 Jahre vor | 2 Antworten | 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...

fast 13 Jahre vor | 1 Antwort | 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)? ...

fast 13 Jahre vor | 0 Antworten | 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...

etwa 13 Jahre vor | 2 Antworten | 0

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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...

etwa 13 Jahre vor | 1 Antwort | 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...

etwa 13 Jahre vor | 1 Antwort | 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 ...

mehr als 13 Jahre vor | 1 Antwort | 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...

mehr als 13 Jahre vor | 1 Antwort | 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...

mehr als 13 Jahre vor | 1 Antwort | 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...

mehr als 13 Jahre vor | 4 Antworten | 2

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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...

mehr als 13 Jahre vor | 1 Antwort | 0

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