isSorted -- whether a list is sorted

Synopsis

• Usage:

  isSorted L

• Inputs:
  • L, a visible list,
• Outputs:
  • a Boolean value, whether the elements of L are in increasing order

Description

i1 : isSorted {1,2,2,3}

o1 = true

i2 : isSorted {1,2,3,2}

o2 = false

i3 : R = ZZ/2[x,y,z, MonomialOrder => Lex];

i4 : isSorted (z^3, y^2, x)

o4 = true

i5 : R = ZZ/2[x,y,z, MonomialOrder => GLex];

i6 : isSorted (z^3, y^2, x)

o6 = false

See also

• sort -- sort a list or columns of a matrix
• ? -- comparison operator
• lists and sequences -- a detailed overview of lists and sequences in Macaulay2