Пример #1
0
func (m *matrixImpl) Subtract(n types.Matrix) types.Matrix {
	validates.ShapeShouldBeSame(m, n)

	cursor := n.NonZeros()

	for cursor.HasNext() {
		element, row, column := cursor.Get()
		m.Update(row, column, m.Get(row, column)-element)
	}

	return m
}
Пример #2
0
func (m *matrixImpl) Equal(n types.Matrix) bool {
	validates.ShapeShouldBeSame(m, n)

	cursor := n.All()

	for cursor.HasNext() {
		element, row, column := cursor.Get()
		if m.Get(row, column) != element {
			return false
		}
	}

	return true
}