Selecting elements from a list one by one - Mathematica Stack ...
mathematica.stackexchange.com › questions › 7977lst = { {4, 5}, {7, 8}, {9, 5}, {3, 2}, {1, 2}, {13, 12}}; #1 + RandomReal [ {1, 10}] & @@@ lst. This addresses your question of selecting elements one-by-one and adding a random number between 1 and 10 to it. If, as the title suggests, all you want to do is to pick the first element one-by-one, then you only need #1 & @@@ lst.
select - Mathematica: selecting elements from a list based on ...
stackoverflow.com › questions › 33204827Oct 19, 2015 · Mathematica question here. I'm looking to extract elements from a list that meet a certain criterion: namely, that the sum of the first and second elements is greater than or equal to 70. Here's what I've tried: points = Table [ {racing, sport, 8*racing + 12*sport}, {racing, 0, 40}, {sport, 0, 60}] selected = Select [points, points [ [All, All, 1]] + points [ [All, All, 2]] >= 70 &]
Select—Wolfram Language Documentation
reference.wolfram.com › language › refSelect Select Select [ list, crit] picks out all elements e i of list for which crit [ e i] is True. Select [ list, crit, n] picks out the first n elements for which crit [ e i] is True. Select [ crit] represents an operator form of Select that can be applied to an expression. Details Examples open all Basic Examples (5)
select elements in a list - Mathematica Stack Exchange
https://mathematica.stackexchange.com › ...list = {{1, 11}, {2, 7}, {4, 2}, {7, 9}, {-2, 3}, {-1, 10}}; Select[list, #[[2]] > 8 &][[All, 1]]. {1, 7, -1}. OR using Pick Pick[list[[All, 1]], ...