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New posts in matrix
Is the wide or long format data more efficient?
Apr 30, 2026
r
matrix
dataframe
memory-efficient
To find the maximum value within the matrix in R
Apr 29, 2026
r
matrix
max
Define a matrix module in OCaml
Apr 27, 2026
module
matrix
ocaml
Why is performing matrix multiplication on a pre-transposed matrix faster than on a non-transposed matrix?
Apr 28, 2026
python
numpy
matrix
transpose
VBA - Function for Creating an n by m Matrix
Apr 28, 2026
excel
vba
matrix
Precedence in Eigen transformations and difference between pretranslate and translate
Apr 28, 2026
c++
matrix
linear-algebra
eigen
julia how to quickly generate matrix by row from range
Apr 28, 2026
matrix
julia
How to find sum of elements of diagonals in 2d ArrayList?
Apr 28, 2026
java
matrix
arraylist
multidimensional-array
sum
How to draw a geom_tile plot
Apr 26, 2026
r
image
dataframe
matrix
ggplot2
How to extract optimization problem matrices A,b,c using JuMP in Julia
Apr 27, 2026
matrix
optimization
julia
julia-jump
matlab: Addressing multiple rows in multidimensional array
Apr 26, 2026
arrays
matlab
matrix
multidimensional-array
matrix-indexing
construct block matrix consisting of different powers of basis matrices
Apr 27, 2026
matlab
matrix
octave
Convert a tuple vector into a matrix in Julia
Apr 26, 2026
matrix
tuples
julia
Creating a number pattern based on the length of an array
Apr 26, 2026
matlab
math
matrix
octave
Creating an orthographic projection matrix in FireMonkey
Apr 26, 2026
delphi
matrix
3d
projection
orthographic
(Speed Challenge) Any faster way to compute distance matrix in terms of generic Hamming distance?
Apr 26, 2026
r
algorithm
performance
matrix
hamming-distance
Extract column from matrix in C++
Apr 26, 2026
c++
matrix
data-extraction
How to properly multiply 2 matrices in this problem?
Apr 25, 2026
java
arrays
matrix
How to create a matrix from all possible combinations of 2 or more matrices?
Apr 24, 2026
r
matrix
combinations
combinatorics
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