EXAMPLES USING MAPLE
The picture shows 3-Dimensions parametric plot.
It is from the equation sin(s)*cos(t),
cos(s)*cos(t),
sin(ts).
s ranging from 0 to Pi,
t ranging from 0 to 2*Pi,
without axes and style in contour.
The picture shows 3-Dimensions animation.
It is from the equation sin(sqrt(x2+y2)+phi),
x ranging from -6 to 6,
y ranging from -6 to 6,
phi ranging from 0 to 2*Pi-2*Pi/15,
with axes and style in patch without grid.
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