Uncumulate

Uncumulate(x,I)

Finds the difference between each element of x and its predecessor along I.

Examples

I →	1	2	3	4	5	6
X →	8	10	10	15	12	19
Uncumulate(X,I) →	8	2	0	5	-3	7

Library

Array Functions

See Also

• Cumulate