Issues

• Block QR throws exception when strict MM bounds check is turned on

  lessthanoptimal/ejml#221 · Filter by author lessthanoptimal opened on Apr 29, 2026

• Block QR Decomposition Concurrency is Less Than Optimal

  lessthanoptimal/ejml#220 · Filter by author lessthanoptimal opened on Apr 29, 2026

• Block QR Decomposition should not stop if singular

  lessthanoptimal/ejml#219 · Filter by author lessthanoptimal opened on Apr 29, 2026

• Enabled concurrent block mult when i=j=1 and k > 0

  lessthanoptimal/ejml#218 · Filter by author lessthanoptimal opened on Apr 29, 2026

• Multifrontal Multithreaded Rank-Revealing Sparse QR Factorization

  lessthanoptimal/ejml#210 · Filter by author lessthanoptimal opened on Apr 8, 2026

• Bug / Design Mismatch: Sparse LU Fill-Reduction Permutations

  lessthanoptimal/ejml#207 · Filter by author micycle1 opened on Mar 7, 2026
  1

  

• Does sortIndices() improve performance in sparse matrix multiplication?

  lessthanoptimal/ejml#206 · Filter by author Arjun-Siva opened on Nov 26, 2025

• SymmetricQrAlgorithm_DDRM fails to complete within maxIterations

  lessthanoptimal/ejml#205 · Filter by author andbaggio opened on Oct 20, 2025

• LU Decomposition failure

  lessthanoptimal/ejml#202 · Filter by author hrkalona opened on Oct 15, 2024

• Inefficient MatrixVectorMult_DDRM.innerProduct

  lessthanoptimal/ejml#201 · Filter by author audetto opened on Sep 23, 2024
  2

• Eigenvectors of replicated eigenvalues

  lessthanoptimal/ejml#200 · Filter by author gcasale opened on Sep 5, 2024

• need the eigen vector of the complex matrix, similar to python numpy eig?

  lessthanoptimal/ejml#199 · Filter by author ztx8511 opened on Jul 19, 2024

• Different result for pseudo-inverse matrix compared to Numpy

  lessthanoptimal/ejml#198 · Filter by author elect86 opened on Jun 28, 2024

• Significant performance degradation for matrix multiplication compared to ND4J for bigger matrices

  lessthanoptimal/ejml#197 · Filter by author anatoliy-balakirev opened on Mar 12, 2024

• Request to Support Arithmetic Operations on Matrices of Different Sizes

  lessthanoptimal/ejml#195 · Filter by author VestOfHolding opened on Aug 9, 2023

• Propose to add a double[][] convenience method to convert back from DMatrixRMaj

  Feature Request
  lessthanoptimal/ejml#193 · Filter by author ee08b397 opened on Jun 28, 2023
  3

  

• Single location to call Procedural API for all matrix types and automatic concucurrency

  Discussenhancement
  lessthanoptimal/ejml#179 · Filter by author lessthanoptimal opened on Feb 11, 2023
  2

  

• Benchmarking EJML vs Numpy / Pytorch

  lessthanoptimal/ejml#178 · Filter by author brr53 opened on Feb 1, 2023
  5

• Concurrency for Complex Matrices ZDRM

  Can Anyone Help?Feature Request
  lessthanoptimal/ejml#176 · Filter by author lessthanoptimal opened on Jan 15, 2023
  2

  

• Performance Test

  lessthanoptimal/ejml#150 · Filter by author mroodschild opened on Dec 14, 2021
  2

  

• Adding SIMD / New Vector API that's in incubation

  Feature Request
  lessthanoptimal/ejml#142 · Filter by author eix128 opened on Jun 1, 2021
  7

• Autogenerate prefixes and converter.replacePatterns

  lessthanoptimal/ejml#105 · Filter by author FlorentinD opened on Oct 21, 2020

• ZDRM: Support for Eigenvalue Decomposition

  Feature Request
  lessthanoptimal/ejml#93 · Filter by author rstrauss-logyx opened on Oct 3, 2020
  2

• Auto-generate non semi-ring operations code

  lessthanoptimal/ejml#81 · Filter by author FlorentinD opened on Aug 27, 2020

• Extend testing of operations with semi-rings

  Can Anyone Help?
  lessthanoptimal/ejml#80 · Filter by author FlorentinD opened on Aug 27, 2020
  1