SparseRealMatrix (Apache Commons Math 3.6.1 API)

org.apache.commons.math3.linear

## Interface SparseRealMatrix

- All Superinterfaces:
    AnyMatrix, RealMatrix
  All Known Implementing Classes:
    OpenMapRealMatrix

      public interface SparseRealMatrix
      extends RealMatrix

  Marker interface for `RealMatrix` implementations that require sparse backing storage

  Caveat: Implementation are allowed to assume that, for any `x`, the equality `x * 0d == 0d` holds. But it is is not true for `NaN`. Moreover, zero entries will lose their sign. Some operations (that involve `NaN` and/or infinities) may thus give incorrect results.

  Since:
    2.0

- - ### Method Summary

    - ### Methods inherited from interface org.apache.commons.math3.linear.RealMatrix

      `add, addToEntry, copy, copySubMatrix, copySubMatrix, createMatrix, getColumn, getColumnMatrix, getColumnVector, getData, getEntry, getFrobeniusNorm, getNorm, getRow, getRowMatrix, getRowVector, getSubMatrix, getSubMatrix, getTrace, multiply, multiplyEntry, operate, operate, power, preMultiply, preMultiply, preMultiply, scalarAdd, scalarMultiply, setColumn, setColumnMatrix, setColumnVector, setEntry, setRow, setRowMatrix, setRowVector, setSubMatrix, subtract, transpose, walkInColumnOrder, walkInColumnOrder, walkInColumnOrder, walkInColumnOrder, walkInOptimizedOrder, walkInOptimizedOrder, walkInOptimizedOrder, walkInOptimizedOrder, walkInRowOrder, walkInRowOrder, walkInRowOrder, walkInRowOrder`

    - ### Methods inherited from interface org.apache.commons.math3.linear.AnyMatrix

      `getColumnDimension, getRowDimension, isSquare`

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