lessthanoptimal / ejml

A fast and easy to use linear algebra library written in Java for dense, sparse, real, and complex matrices.

https://ejml.org

lessthanoptimal/ejml Issues

Benchmarking EJML vs Numpy / Pytorch
Updated 2 months ago5
Significant performance degradation for matrix multiplication compared to ND4J for bigger matrices
Updated 2 months ago
Request to Support Arithmetic Operations on Matrices of Different Sizes
Updated 9 months ago
Propose to add a double[][] convenience method to convert back from DMatrixRMaj
Updated a year ago3
Test TestMatrixMatrixMult_MT_DDRM#checkNonSquare fails
Closed a year ago1
Simplify getting and setting SimpleBase rows/columns
Closed a year ago13
Bug in MatrixMatrixMult_MT_DDRM.multTransA and concurrent silent failures
Closed a year ago5
MatrixFeatures_DDRM.isDiagonalPositive( DMatrixRMaj a ) returns true if diagonal elements are >= 0
Closed a year ago2
innerProduct and innerProductSelfSymmetrical operation optimized for sparse vectors
Closed a year ago4
Single location to call Procedural API for all matrix types and automatic concucurrency
Updated a year ago2
Strange omission of max/minElement from SimpleBase
Closed a year ago4
Empty matrices do not support all operations
Closed a year ago10
Adding SIMD / New Vector API that's in incubation
Updated a year ago7
Concurrency for Complex Matrices ZDRM
Updated a year ago2
How to get a submatrix of original matrix?
Closed a year ago1
JMH For Automated Runtime Regression Check
Closed a year ago9
Adding better support for complex matrix to SimpleBase
Closed a year ago8
Java 19 SIMD support for matrix operations ?
Closed a year ago1
MatrixIO.loadMatrixMarketD crashes on non-coordinate matrices
Closed a year ago13
ImplMultiplication_MT_DSCC.mult listWork argument not really optional
Closed a year ago18
MatrixIO.saveMatrixMarketD emits incorrect files (missing header)
Closed a year ago4
MatrixIO.printJava should ignore default locale
Closed a year ago7
0 matrix non symmetric
Closed 2 years ago1
Wrong rank
Closed 2 years ago2
SimpleMatrix concatenation ignores type of first matrix when resolving result type
Closed 2 years ago1
SimpleMatrix.invert() produces incorrect result for a particular 29x29 matrix
Closed 2 years ago2
java.lang.NoSuchMethodError: org.ejml.UtilEjml.reshapeOrDeclare
Closed 2 years ago11
Performance Test
Updated 2 years ago2
X^T X. for DDRM?
Closed 3 years ago2
Add CommonOps.elementMax and elementMaxAbs functions which also return the coordinate
Closed 3 years ago1
help with import / Maven
Closed 3 years ago4
class org.ejml.data.DMatrixRMaj cannot be cast to class org.ejml.data.DMatrixSparseCSC
Closed 3 years ago4
binary serialization to/from .mat
Closed 3 years ago4
Extend testing of operations with semi-rings
Updated 3 years ago1
Broken links in doc
Closed 3 years ago3
Reduced Row Echelon Form Bug
Closed 3 years ago2
Links on ejml.org wiki are broken
Closed 3 years ago1
DMatrixSparseCSC.getNumElements() returns number of non zero elements
Closed 3 years ago6
Wrong error message in LinearSolverQrHouseCol_FDRM/_DDRM
Closed 4 years ago7
Missing float matrix constructors/code?
Closed 4 years ago5
Autogenerate prefixes and converter.replacePatterns
Updated 4 years ago
Support Broadcasting
Closed 4 years ago9
Generating large sparse random matrices seems to be very slow
Closed 4 years ago7
Integer overflow for random DSCC matrices with a high dimension.
Closed 4 years ago11
UtilEjml not found
Closed 4 years ago2
ZDRM: Support for Eigenvalue Decomposition
Updated 4 years ago1
`multTransA` slower than `mult` for `DMatrixSparseCSC`?
Closed 4 years ago14
Example using Semirings
Closed 4 years ago4
Auto-generate non semi-ring operations code
Updated 4 years ago
A Javadoc error
Closed 4 years ago3