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Fredrik P


Stockholm University

Last seen: etwa ein Monat vor |  Aktiv seit 2015

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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'...

8 Monate vor | 1 Antwort | 0

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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...

9 Monate vor | 1 Antwort | 0

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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.

10 Monate vor | 1 Antwort | 0

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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...

10 Monate vor | 2 Antworten | 0

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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 ...

11 Monate vor | 2 Antworten | 0

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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...

etwa ein Jahr vor | 3 Antworten | 0

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Beantwortet
How 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...

etwa 2 Jahre vor | 3

Frage


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 ...

etwa 2 Jahre vor | 1 Antwort | 0

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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)...

mehr als 2 Jahre vor | 1 Antwort | 0

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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...

mehr als 4 Jahre vor | 1 Antwort | 0

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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...

mehr als 4 Jahre vor | 1 Antwort | 0

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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...

mehr als 4 Jahre vor | 2 Antworten | 1

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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 ...

mehr als 4 Jahre vor | 0 Antworten | 0

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Sorting 2D matrix and retaining nodes in triangle groups
See answer on Stack Overflow.

mehr als 4 Jahre vor | 0

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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 ...

mehr als 5 Jahre vor | 1 Antwort | 0

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"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...

etwa 9 Jahre vor | 3 Antworten | 0

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