>From Valerij Pipin, Fri Aug 02, at 20:12:
(...)
.If you have the function of three vars it could be visualized in 4 dim space or you might look at section
.in 3D by plotting the sequence of graphs ff(x,y,{t=1...}).
i feel embaressed with 4-d real spaces, i prefer to look at sections... so
how to plot f(x,y,t) at t=1.3 ?
thank you
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Paolo Pumilia