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New posts in matrix
Convert position confidence ellipse to covariance matrix
Sep 20, 2025
matrix
ellipse
uncertainty
Octave - out of memory or dimension too large for Octave's index type
Sep 20, 2025
windows
matrix
memory
out-of-memory
octave
NumPy - Sum of the elements on the secondary diagnoal of a 2D matrix
Sep 19, 2025
python
numpy
matrix
diagonal
Counting sub matrix with all prime numbers
Sep 20, 2025
java
algorithm
matrix
dynamic-programming
How to replace NAs based on preceding and following numbers are zero
Sep 18, 2025
r
matrix
na
error: sigma must be positive definite
Sep 20, 2025
r
matrix
What's wrong with Strassen's method to compute square of a matrix?
Sep 18, 2025
algorithm
matrix
strassen
In R how would you replace values in a matrix that have a certain condition with values from another vector?
Sep 18, 2025
r
matrix
vector
Numpy: create a matrix from a cartesian product of two vectors (or one with itself) while applying a function to all pairs
Sep 17, 2025
python
numpy
matrix
Why matrices are [rows, columns] and not [columns, rows]?
Sep 17, 2025
math
matrix
conventions
notation
Biggest non-contiguous submatrix with all ones
Sep 18, 2025
algorithm
matrix
optimization
boolean
linear-programming
Filling matrices with NA to meet desired dimensions
Sep 17, 2025
r
list
matrix
How to check if all rows of a matrix are equal [duplicate]
Sep 17, 2025
matlab
matrix
vectorization
Matrix Low Rank Approximation using Matlab
Sep 16, 2025
matlab
matrix
linear-algebra
svd
How to write an apply() function that only applies to odd-numbered columns in r matrix?
Sep 16, 2025
r
matrix
apply
matrix order in skeletal animation using assimp
Sep 16, 2025
c++
opengl
matrix
glsl
assimp
Function for perspective projection of a matrix in C++
Sep 16, 2025
c++
matrix
projection
perspective
Why is Armadillo so slow compared to a C-style array in a simple row-wise computationnal task
Sep 15, 2025
c++
arrays
matrix
armadillo
rotate Z axis on 2d image's matrix in shader
Sep 15, 2025
matrix
rotation
glsl
webgl
shader
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