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New posts in matrix
R - image of a pixel matrix?
Sep 27, 2022
r
image
ggplot2
matrix
Organizing felt tip pens: optimizing the arrangement of items in a 2D grid by similarity of adjacent items, using JS [updated]
Mar 06, 2022
javascript
arrays
algorithm
matrix
mathematical-optimization
R: Plotting a 3D surface from x, y, z
Sep 27, 2022
r
3d
matrix
plot
rgl
Using a sparse matrix versus numpy array
Sep 01, 2022
python
numpy
matrix
scipy
scikit-learn
Selecting only a specific number of rows fulfilling a condition
Sep 01, 2022
matlab
matrix
octave
Create a 3D matrix
Aug 31, 2022
matlab
matrix
Differences of using "const cv::Mat &", "cv::Mat &", "cv::Mat" or "const cv::Mat" as function parameters?
Sep 27, 2022
c++
function
opencv
matrix
parameters
How expensive is it to compute the eigenvalues of a matrix?
Aug 31, 2022
r
matrix
linear-algebra
sparse-matrix
eigenvalue
Vectorizing a matrix [duplicate]
Aug 27, 2022
r
vector
statistics
matrix
Accessing a matrix element in the "Mat" object (not the CvMat object) in OpenCV C++
Nov 02, 2022
c++
matrix
opencv
Creating co-occurrence matrix
Aug 31, 2022
r
matrix
Why does m[1] - m[0] return 3 where m is a 3x3 matrix?
Oct 11, 2020
c
arrays
matrix
Get row and column indices of matches using `which()`
Aug 31, 2022
r
matrix
indexing
Convert matrix to 3-column table ('reverse pivot', 'unpivot', 'flatten', 'normalize')
Aug 31, 2022
excel
matrix
pivot-table
unpivot
powerquery
Generating Symmetric Matrices in Numpy
Aug 31, 2022
python
random
matrix
numpy
adjacency-matrix
A simple algorithm for generating positive-semidefinite matrices
Sep 07, 2022
algorithm
math
matrix
Traverse Matrix in Diagonal strips
May 09, 2022
c
algorithm
matrix
traversal
R convert matrix or data frame to sparseMatrix
Aug 31, 2022
r
matrix
sparse-matrix
numerically stable way to multiply log probability matrices in numpy
Aug 31, 2022
python
numpy
matrix
matrix-multiplication
logarithm
How to multiply two vector and get a matrix?
Aug 31, 2022
python
numpy
matrix
vector
matrix-multiplication
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