Returns the product of elements in a matrix.
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Syntax |
Description |
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out = prod(x); |
Product of all the elements in matrix x, over all dimensions. |
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out = prod(x,n); |
Product elements of x over the specified dimension n. |
Example
This example shows how you can multiply all the elements of a matrix or just the elements over a specified dimension.
?a = [1,2;3,4]; # define a 2x2 matrix result: 1 2 3 4 ?prod(a); # multiply all elements result: 24 ?prod(a,2); # muliply over the second dimension only result: 2 12
See Also
List of commands , integrate , mean , sum