Golang Matrix.Columns Examples

Example #1

File: dense.go Project: jmptrader/matrix-go

func (m *matrixImpl) Multiply(n types.Matrix) types.Matrix {
	validates.ShapeShouldBeMultipliable(m, n)

	rows := m.Rows()
	columns := n.Columns()

	r := Zeros(rows, columns)

	cursor := n.NonZeros()

	for cursor.HasNext() {
		element, j, k := cursor.Get()

		for i := 0; i < rows; i++ {
			r.Update(i, k, r.Get(i, k)+m.Get(i, j)*element)
		}
	}

	return r
}