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LightweightMatrixC#

Preface

Lightweight fast matrix class in C# based on http://blog.ivank.net/.
I also did some changes based on the comments on the original page.

Documentation

All this is written in C#. Parse() and ToString() methods included. Matrix class can throw exceptions (MException).

Implemented matrix operations

  • exponentiation by integer
  • LU decomposition
  • determinant
  • inversion
  • solve system of linear equations
  • transpose, ...

Overridden infix operators

  • array-like access (a[2,4])
  • addition (a + b)
  • subtraction (a - b)
  • unary minus (-a)
  • multiplication (a * b)
  • constant multiplication (5.4 * a)

Strassen algorithm (fast multiplication of large matrices)

It contains matrix multiplication with Strassen algorithm, which is memory efficient and cahce-oblivious, it works with still the same array in each level of recursion.

This algorithm is automatically selected if matrices are of form 2^N x 2^N, N>5.

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Lightweight fast matrix class in C# based on http://blog.ivank.net/

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