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New posts in matrix
In R, when using named rows, can a sparse matrix column be added (concatenated) to another sparse matrix?
Nov 07, 2022
r
matrix
sparse-matrix
cbind
Is there a transformation matrix that can scale the x and/or y axis logarithmically?
Nov 08, 2022
wpf
math
matrix
transform
Matrix exponentiation using fermat's theorem
Nov 06, 2022
algorithm
matrix
numbers
exponentiation
How to calculate this in matlab without for loop
Nov 05, 2022
matlab
for-loop
matrix
Can someone explain the mat4.translate function from glMatrix?
Nov 05, 2022
matrix
webgl
vector-graphics
R assign several list elements the same object
Nov 06, 2022
r
list
for-loop
matrix
vectorization
4 dimensional matrix in Armadillo
Nov 04, 2022
c++
matrix
armadillo
Matplotlib python change single color in colormap
Nov 05, 2022
python
matrix
matplotlib
color-mapping
Multiplying Block Matrices in Numpy
Nov 03, 2022
python
numpy
matrix
machine-learning
regression
Efficient algorithm for determinant of a m-diagonal NxN symmetric matrix
Nov 04, 2022
algorithm
math
matrix
sparse-matrix
determinants
Pass an Armadillo C++ matrix over MPI
Nov 03, 2022
c++
matrix
mpi
armadillo
return reference to a submatrix from function in numpy
Nov 03, 2022
python
function
numpy
matrix
reference
Lift value calculation
Nov 03, 2022
r
matrix
data-mining
Permanently set drop to FALSE for vector operators in R
Nov 03, 2022
r
matrix
R: Apply cut using row-specific breaks
Nov 03, 2022
r
matrix
apply
R combinations, looking for faster and more efficient way(package,code,parallel cpu) than basic R
Nov 02, 2022
r
performance
matrix
combinations
Multi-dimensional array transposing
Apr 10, 2022
java
arrays
matrix
multidimensional-array
transpose
Why is reshape so fast? (Spoiler: Copy-on-Write)
Jun 23, 2021
performance
matlab
matrix
octave
vectorization
Same memory usage of matrices with different size [duplicate]
Jan 26, 2022
r
memory
matrix
size
Iterate over 2d array in an expanding circular spiral
Jul 22, 2022
python
matrix
loops
geometry
spiral
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