5.38.33 Apply a bivariate function to the elements of two lists : zip
zip applies a bivariate function to the elements of 2 lists.
Input :
zip(’sum’,[a,b,c,d],[1,2,3,4])
Output :
[a+1,b+2,c+3,d+4]
Input :
zip((x,y)->x^
2+y^
2,[4,2,1],[3,5,1])
or :
f:=(x,y)->x^
2+y^
2
then,
zip(f,[4,2,1],[3,5,1])
Output :
[25,29,2]
Input :
f:=(x,y)->[x^
2+y^
2,x+y]
then :
zip(f,[4,2,1],[3,5,1])
Output :
[[25,7],[29,7],[2,2]]