Fredrik P
Stockholm University
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Question
Strange core usage when running Slurm jobs
I'm trying to run jobs on an HPC cluster using Slurm, but I run into problems both when I'm running interactive jobs and when I'...
meer dan een jaar ago | 1 answer | 0
1
answerQuestion
How many workers for fmincon with UseParallel?
I'm solving a biggish problem where the function takes a while to compute and want to throw as many workers as possible on the p...
meer dan een jaar ago | 1 answer | 0
1
answerQuestion
From what MATLAB version can max() return linear indices?
max() can return linear indices, but when was this capability introduced? I can't seem to find it in the version history.
bijna 2 jaar ago | 1 answer | 0
1
answerQuestion
How could this code be vectorized?
How can I vectorize this code? I suspect that it can be solve using ndgrid and sub2ind as my last question was. But I just don't...
bijna 2 jaar ago | 2 answers | 0
2
answersQuestion
How can I speed up this function? #vectorize
I'm struggling to speed up the code inside the version1 function. The only way to vectorize it that I can seem to figure out is ...
bijna 2 jaar ago | 2 answers | 0
2
answersQuestion
Compute conditional mean from distribution
How do I compute a conditional mean of a distribution in Matlab (e.g. between the 1st and 5th percentiles)? Right now, I am thin...
bijna 2 jaar ago | 3 answers | 0
3
answersHow to fit a curve with negative powers of x
For the benefit of posterity: x = 1:20; y = 5 - x.^(-1); p = polyfit(1 ./ x, y, 1); yhat = polyval(p, 1 ./ (1:30)); fig...
bijna 3 jaar ago | 3
Question
Create large array of zeros without MATLAB:array:SizeLimitExceeded (perhaps on disc)
I want to create a rather large array of zeros, but run into a `MATLAB:array:SizeLimitExceeded` error as the generated array is ...
ongeveer 3 jaar ago | 1 answer | 0
1
answerQuestion
Locate index and weights for linear interpolation for a monotonically increasing vector
I have a performance critical function that amounts to finding all that is needed to interpolate a point (or a vector of points)...
meer dan 3 jaar ago | 1 answer | 0
1
answerQuestion
Matlab crashes when using py.matplotlib.pyplot.plot()
I want to use Python's matplotlib in Matlab but I can't make even this simple example close; clear; clc; x = py.numpy.arange(2...
meer dan 5 jaar ago | 1 answer | 0
1
answerQuestion
Vertical alignment of OpenType font
I have tried to use the font Fira Sans in my figures but fail to use its OpenType version in Matlab R2019a on Windows 10. My MWE...
meer dan 5 jaar ago | 1 answer | 0
1
answerQuestion
List of built-in functions?
Is there somewhere a list of Matlab’s built-in functions like |histc| that are not written in Matlab own scripting language? Tha...
meer dan 5 jaar ago | 2 answers | 1
2
answersQuestion
Faster finding of 1D linear interpolation nodes and weights for each element in ND matrix
In a problem I'm working on now, I compute some values in a matrix x and I then for each element in x need to find the index of ...
meer dan 5 jaar ago | 0 answers | 0
0
answersSorting 2D matrix and retaining nodes in triangle groups
See answer on Stack Overflow.
meer dan 5 jaar ago | 0
| accepted
Question
Sorting 2D matrix and retaining nodes in triangle groups
I am trying to optimize a script (below) that finds the bounding boxes to functional values of all lower left triangles in a 2D ...
meer dan 6 jaar ago | 1 answer | 0
1
answerQuestion
"Reshaping" matrix
I have a matrix P_ind that is AxB (where each element is an integer in the range 1:C) and a matrix xgrid that is CxDxB. Is there...
bijna 10 jaar ago | 3 answers | 0
