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MaplePrimes Activity

These are questions asked by pyr0rrzzz

Hi, I want to count how many numbers in a list have a certain property. I tried something like

add(i->if i < 2 then 1 else 0 end if, i in list) 

but this doesn't work. How do I do this?

Thanks in advance.

Hi, I need to generate 100,000 numbers randomly (bounded by 0 and  t) and plot the distribution of the distance of two subsequent numbers. I tried it with a large array:


Hi, I want to create an array as following:

Array(0 .. t, 1 .. 2)

I need to initialize it with <i, 0> where i is the index of each element. The Maple help suggests to use a "set of equations of the form (indices) = value". But I have no idea what that actually means. "(indices) = value" is totally unspecific to me. I guess I have to name the indices first or something like that...

Thanks in advance.

Hi, I need to plot the curve specified by t->(t,t^3) as well as its osculating circle at several points. I know how to compute the radius of the circle but I have no idea how to get the whole thing.

I tried the following:

Hi, I need to put a 2-dimensional quadric (given as an equation including x's & y's) into normal form. How can I do this? I skimmed through the Geometry/2D-Euclidean directory of the Maple help but didn't find a solution.

Thanks in advance.

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