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New posts in matrix
transform the upper/lower triangular part of a symmetric matrix (2D array) into a 1D array and return it to the 2D format
Apr 17, 2022
python
arrays
numpy
matrix
Is there an algorithm to multiply square matrices in-place?
Oct 14, 2022
algorithm
matrix
graphics
language-agnostic
linear-algebra
What's the most efficient/elegant way to delete elements from a matrix in MATLAB?
Oct 08, 2012
matlab
matrix
delete-record
How to convert a grayscale matrix to an RGB matrix in MATLAB?
Apr 24, 2022
image
matlab
matrix
rgb
grayscale
How do I compute the linear index of a 3D coordinate and vice versa?
Feb 01, 2022
arrays
math
multidimensional-array
matrix
coordinate-transformation
How to represent a 2D matrix in Java?
Sep 24, 2022
java
matrix
data-structures
Very Basic Numpy array dimension visualization
Feb 23, 2021
python
arrays
numpy
matrix
multidimensional-array
Eigen MatrixXd push back in c++
Mar 26, 2021
c++
matrix
eigen
randomly pick number from a matrix in matlab
Oct 19, 2022
matlab
matrix
How to compute distances between centroids and data matrix (for kmeans algorithm)
Apr 20, 2022
r
matrix
cluster-analysis
distance
k-means
How to make a nice matrix from a dictionary
Dec 20, 2016
python
dictionary
matrix
How would you transpose a binary matrix?
Feb 26, 2022
c++
math
matrix
binary
transpose
calculate the sum of diagonals in a matrix
Sep 07, 2022
c++
algorithm
matrix
OpenCV euclidean distance between two vectors
Nov 15, 2022
opencv
vector
matrix
euclidean-distance
Selecting specific elements from a matrix all at once
Mar 21, 2022
r
matrix
Model matrix with all pairwise interactions between columns
Dec 26, 2018
r
matrix
regression
linear-regression
Worse performance using Eigen than using my own class
Jun 17, 2022
c++
performance
matrix
eigen
Rotate a list-of-list matrix in Clojure
Oct 16, 2022
clojure
matrix
R duplicate a matrix several times and then bind by rows together
Oct 28, 2022
r
data-binding
matrix
rbind
Finding generalized eigenvectors numerically in Matlab
Sep 29, 2022
matlab
matrix
eigenvector
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