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Results tagged with list-manipulation
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user 37285
Questions on the manipulation of List objects in Mathematica, and the functions used for these manipulations.
2
votes
4
answers
153
views
Partition list into sublists of decreasing length [duplicate]
For example, I would like to partition {1,2,3,4,5} into
{1}
{1,2}
{1,2,3}
{1,2,3,4}
{1,2,3,4,5}
with just one line of code. Is there any way to do this? I am working with a much larger data set an …
- 291
10
votes
9
answers
1k
views
Determine repeating number of a given number and corresponding position
For instance, the data is as follows:
data = {1, 1, 1, -1, -1, 1, 1, -1}
The target output when determining how many times "1" repeats should be:
{{1, 3}, {6, 2}}
with the 1 showing that the fi …
- 291
0
votes
1
answer
95
views
Correlation of subsets of two sets of data [closed]
For instance, I have:
data1 = {{1, 2, 3}, {2, 3, 4}, {3, 4, 5}};
data2 = {{3, 2, 1}, {6, 7, 8}, {5, 4, 3}};
I want to calculate the correlation that data1[[1, All]] has with each subset of data2, t …
- 291