random(QQ) -- get a random rational number

• Function: random

• Usage:

  random x

• Inputs:
  • x, a rational number,
• Optional inputs:
  • Height => an integer, default value 10, get a random homogeneous element from a graded ring
  • Density => ..., default value 1, get a random map of module
  • MaximalRank => ..., default value false, get a random map of module
  • UpperTriangular => ..., default value false, get a random map of module
• Outputs:
  • a rational number, randomly chosen from the interval $[0, x]$;

i1 : apply(10, i -> random(7_QQ, Height => 5))

      25  19     22  1     25  8  13  27
o1 = {--, --, 2, --, -, 5, --, -, --, --}
       4   4      5  5      4  5   4   5

o1 : List