cum-product1 ( seq -- seq' )
Statistics ยป Computing cumulative sequences
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Vocabulary
math.statistics

Inputs
seqa sequence


Outputs
seq'a sequence


Word description
Returns the cumulative product of seq starting with 1 and not including the whole product.

Examples
USING: math.statistics prettyprint ; { 2 3 4 } cum-product1 .
{ 1 2 6 }


Definition
USING: kernel math sequences ;

IN: math.statistics

: cum-product1 ( seq -- seq' ) 1 [ * ] accumulate nip ;