select -all;
delete;


// 1. Create a NURBS plane
nurbsPlane -p 0 0 0 -ax 0 0 1 -w 10 -lr 1 -d 3 -u 10 -v 10 -ch 1; 

 
// 2. generate the mountains
for($xCounter=2; $xCounter<=10; $xCounter+=2)
{
	for($yCounter=2; $yCounter<=10; $yCounter+=2)
	{
		// selects a vertex:
		select -r nurbsPlane1.cv[$xCounter][$yCounter] ;
		// moves the controlvertex in Z direction:
		move -r 0 0 $xCounter;
	};
};