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New posts in 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
Custom contrasts in R: contrast coefficient matrix or contrast matrix / coding scheme? And how to get there?
Mar 21, 2022
r
matrix
anova
How to expand matrix expressions in SymPy?
Sep 11, 2022
python
matrix
sympy
symbolic-math
Proper way to cast numpy.matrix to C double pointer
Sep 13, 2022
python
c
numpy
matrix
How to do PHP Matrix Operations in an easy/efficient way
Nov 19, 2021
php
matrix
octave
sage
Does std::array of std::array have contiguous memory?
Oct 13, 2021
c++
arrays
matrix
memory
allocation
More efficient and fast way of inverting matrices in c++ (big and small)
Nov 01, 2022
c++
performance
matrix
precision
matrix-inverse
Linear algebra library for the D programming language
Aug 21, 2019
matrix
d
linear-algebra
mathematical-optimization
Apache Spark: How to create a matrix from a DataFrame?
Oct 22, 2017
python
matrix
apache-spark
pyspark
apache-spark-mllib
How to get R data into a matlab matrix
Nov 01, 2018
r
matlab
matrix
Find array index of elements of a matrix that match a value in a vector of candidate values
Nov 09, 2022
r
matrix
subset
Numpy.dot() dimensions not aligned
Aug 26, 2022
python
numpy
matrix
scipy
Converting a Number Matrix to a Color Matrix in R
Nov 13, 2022
r
matrix
colors
What is the most efficient way to construct large block matrices in Mathematica?
Apr 04, 2022
matrix
wolfram-mathematica
Find the single wrong element in matrix product?
Sep 25, 2022
algorithm
matrix
matrix-multiplication
tidyr::gather vs. reshape2::melt on matrices
Dec 18, 2021
r
matrix
reshape2
tidyr
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