koblas
com.eignex.koblas/core/F64MatrixView

F64MatrixView

@Serializable
sealed interface F64MatrixView : F64MatrixLike(source)

The matrix storages koblas itself defines, F64DenseMatrix and F64SparseMatrix.

Inheritors

Properties

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abstract val cols: Int

Number of columns.

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abstract val rows: Int

Number of rows.

Functions

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abstract operator fun get(i: Int, j: Int): Double

The entry at row (i), column (j). Throws IndexOutOfBoundsException outside the shape, whatever the storage.

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operator fun F64MatrixLike.times(x: F64VectorLike): F64DenseVector

Matrix-vector product into a fresh dense result for any F64MatrixLike against any F64VectorLike. gemv provide transpose and destination-buffer variants.

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abstract fun toArray(): Array<DoubleArray>

Materialise into a fresh Array<DoubleArray> of rows, independent of the internal storage.