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Fast aggregates over overlapping subsets of a vector
I have a long vector of values say x=rand(1e5,1), and a long but shorter cellarray with indices to the elements of x. I just wan...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Faster than pdist for cityblock on integers?
Hi folks, I have very large matrices in the order of 100k+ rows and even more columns containing only 3 possible integer values ...
quasi 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Fast binary decoding of very large matrix of uint8s
Hi Guys, I will appreciate help on the very fast decoding of uint8s into 4 uint8s corresponding to each 2-bit representation of ...
circa 3 anni fa | 2 risposte | 0
2
risposteDomanda
fast cell2mat with padding or numerical equivalent of pad function that works very fast on cellarray of variable length uint8 vectors
Hi Folks, I have a similar question I already found being asked but I need very fast solution that specifically converts cellar...
circa 3 anni fa | 0 risposte | 0
0
risposteDomanda
How to force textscan to include the custom EOL character
Hi Folks, I am loading multiline chunks of texts from very big files each starting from '@' character into separate cells. Here...
circa 3 anni fa | 2 risposte | 0
2
risposteDomanda
Fastest possible code for AUC between a continuous predictor and a binary target
Hi Folks, I am on the hunt for the fastest possible Matlab code that computes empirical exact Area Under the Receiver/Operator ...
circa 4 anni fa | 1 risposta | 0
1
rispostaDomanda
Changing the type of the built-in function output variable
Is it possible to force Matlab to change the type of output variable returned from the built-in function (which I cant control) ...
oltre 4 anni fa | 2 risposte | 0
2
risposteDomanda
Fastest match between 2 sequences
Hi All, I am matching many long sequences against each other in a way that the shorter sequence x slides against the longer ref...
oltre 4 anni fa | 2 risposte | 0
2
risposteFastest multiple binary search in the same sorted large vector
Thanks Bruno find_idx is the current leader. Jus a remark that I found the matlab internal: matlab.internal.math.discretize(u,v,...
quasi 5 anni fa | 0
Risolto
Find: Faster Alternatives for Large Sorted/Unique Vectors
The Challenge is to create faster Find methods for large unique ascending vectors. Methods exist that are 1000 times faster t...
quasi 5 anni fa
Domanda
Fastest multiple binary search in the same sorted large vector
Hi All, I have a challenging problem to find the fastest solution for as it is a big bottleneck in my code right now. Vector v [...
quasi 5 anni fa | 3 risposte | 0
3
risposteDomanda
Access to patches to handle transparency of contourf
Hi there, I was trying to access patches that used to be accessible as children of the contourf handle. I wanted this access to ...
circa 5 anni fa | 0 risposte | 0
0
risposteDomanda
Can I generate data visualizations like heatmaps on matlabs' site viewer?
Dear Mathworks, I noticed you have a very neat tool within antena toolbox for signal propagation: site viewer. Actually I only ...
circa 5 anni fa | 1 risposta | 0
