pdl> $x = sequence 3,3

pdl> $y = zeroes 5,5

pdl> bilin2d( $x, $y )

pdl> p $y

[
 [  0 0.5   1 1.5   2]
 [1.5   2 2.5   3 3.5]
 [  3 3.5   4 4.5   5]
 [4.5   5 5.5   6 6.5]
 [  6 6.5   7 7.5   8]
]