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FoldList
FoldList[
f
,
x
,
a
,
b
, ... 
] gives 
x
,
f
[
x
,
a
],
f
[
f
[
x
,
a
],
b
], ...  .
Example: FoldList[f, x,
a, b, c
] .
FoldList[Plus,
0,
list
] generates cumulative sums of the elements in list.
Example: FoldList[Plus, 0,
a, b, c
].
With a length  list, FoldList generates a list of length  .
The head of list in FoldList[
f
,
x
,
list
] need not be List.
See the Mathematica book: Section 2.2.2.
See also: NestList, ComposeList, Partition, MapIndexed.
Further Examples
This gives a list of cumulative sums.
In[1]:= 
Out[1]= 
For the cumulative products you have to start with  .
In[2]:= 
Out[2]= 
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT. SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION. | | | |
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