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Results tagged with list-manipulation
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user 10763
Questions on the manipulation of List objects in Mathematica, and the functions used for these manipulations.
10
votes
2
answers
559
views
Generate cyclic list from a list
Given a list (for example, {3, 5}) I would like to make a function genCyclic[n_, list_] which generates a cyclic patterns of list with length n, such that genCyclic[5, {3, 5}] returns {3, 5, 3, 5, 3} …
- 2,305
8
votes
5
answers
1k
views
Find (longest) overlapping elements between two lists
I am trying to write a function f that returns the overlapped sublist where A ends with this sublist while B starts with it. For examples, suppose I have two lists
A = {1, 2, 1, 3, 1, 3};
B = {1 …
- 2,305
6
votes
5
answers
405
views
A variant of `Nearest`: Find the largest value that is smaller (larger) than a given value
We have a built-in function Nearest which returns a function for evaluating the nearest value of inputs. However, as a slight variant, I would like to construct a "function object" created from a one …
- 2,305
11
votes
2
answers
342
views
Why `Drop` and `Take` do not support a operator form
Since Mathematica 10 introduced the operator form, I have been a big fan of it. Whenever I use some buit-in functions, I first look up whether they support operator form.
To me, it was quite surpris …
- 2,305
9
votes
3
answers
776
views
Generalization to AllTrue, AnyTrue and NoneTrue
I am wondering if there is a natural Mathematica way to generalize those functions. To be specific, All three functions AllTrue, AnyTrue and NoneTrue return a Boolean value when a list of length L con …
- 2,305
3
votes
1
answer
268
views
Finding pairs where the intersection of them is empty set from a nested list
It would be better to give an example first.
Suppose I have a nested list of the form
list = {{ 1,2,3,6}, { 3,6,10,20}, { 4,7,11}, { 10,20}};
where each element of list is a list of integers from …
- 2,305
14
votes
2
answers
901
views
Choose between `Apply` and `Map`
Even though this might be too general question(or not answerable), I want to get some advice here. I apologize in advance if it is not a relevant question.
I frequently have to process large list of …
- 2,305