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MaplePrimes Activity

These are questions asked by animeplot


I have a list of displayed sequences  

S[j]:=display(seq(R1[i],i=,seq(R[i],i=, scaling = constrained, axes = none);

that can be animated easily in a worksheet using the following command 

display(seq(S[n]$5, n=1..10), insequence=true);

but when I try to embed that in a maplet, it doesnt work. The problem is with insequence. I removed insequence and the maplet showed S[10]. What else can I use?  

What can I do to have the maplet show the sequence of displays? Is there a way to use the animate command here?

Thanks for the help. 


Imagine three isosceles triangles with coordinates of each stored in a matrix such as:

> coord1:=Matrix(3,2,[0,0,5,0,2.5,4]);

> coord2:=Matrix(3,2,[2,0,7,0,4.5,4]);

> coord3:=Matrix(3,2,[4,0,9,0,6.5,4]);

and plotted together as follows (only the first is shown)

> PLOT(CURVES([[0,0],[5,0],[2.5,4],[0,0]]),COLOR(HUE,1));

I want to create an animation with stationary (original) isosceles triangles in the background along with new isosceles triangles generated by incrementally (say 4 increments) moving only the apex of each triangle until it touches the base of the triangle; obtained by multiplying the apex’s vertical coordinate by (say ¼) in each increment using a do loop. 

Your help is greatly appreciated.

Thank you in advance.



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