The cumulative product of matrix elements in a specified dimension.

Syntax

P = CumProd(M, DIM)

Argument

Name

Description

M

A vector or a matrix.

DIM

(optional)

The dimension on which to multiply. For products by column, dim = 1. For products by row, dim = 2. If m is a matrix, dim defaults to 1.

Output

Name

Description

P

The cumulative product of row/column vector elements. p will have the same dimensions as m.

Example

Find the cumulative row products of a matrix.

Syntax

P = CumProd([1,2;3,4], 2)

Result

P = [1, 2

    3, 12]

See Also:

Prod