animate3d can create a 3-d animation with
function graphs depending of a parameter. The parameter is specified as
the third argument of animate3d, the number of pictures
as fourth argument with
frames=number, the remaining arguments
are the same as those of the plotfunc command, see
section 3.2.2, p. ??.
Input :
^
2+a*y^
2,[x=-2..2,y=-2..2],a=-2..2, frames=10,display=red+filled)
Output :
^
2+a*y^
2 for 11 values of a between -2 and 2