position(VisibleList,VisibleList,Function) -- find first element of a list satisfying a condition

Synopsis

• Usage:

  position(v,w,f)

• Function: position
• Inputs:

  • v, a visible list
  • w, a visible list
  • f, a function
• Outputs:

  • the smallest index i such that f(v#i,w#i) is true
• Optional inputs:

  • Reverse => ...,

Description

i1 : position((0,1,2,3,4), (0,0,0,9,9), (i,j)->i<j)

o1 = 3