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MaplePrimes Activity

These are questions asked by JosiahH

Hello, Is it possible to use the densityplot function with imaginary values? I've tried with numerous functions, and all it ever seems to output is a solid black field. Any help/suggestions/links to resources would be -greatly- appreciated! Thanks! Joe H.
Hello, I'm wondering if it is possible to produce a composite plot in Maple. What I would like to do is: 1. Take one solution of a non-autonomous differential equation, and plot it with respect to t, call this x(t). 2. Take another solution of a similar equation, also plot it with respect to t, call this y(t). 3. Take x(t) vs. t and y(t) vs. t planes and use it to create a 3-dimensional plot containing all the points where (t,x(t))=(t,y(t)). It's difficult to describe, I hope the above is helpful. On a (hopefully) simpler note, when I solve the following: odesys := diff(x(t), t) = 2*x(t)-y(t)-x(t)^3, diff(y(t), t) = x(t)
Hi! I'm wondering how I'd go about attaching multiple coefficients from a list to a function, while storing the output as a list. An example of a simple case (the only one which I've been able to get to work) is as follows: for j from 1 by 1 to 3 to f_j := j*sin(x) end do And then, when I want to manipulate the output, I have to handle each output element separately. I also know how to attach a list of coefficients from a list, but handling an expression like f_2*tan(23) = 2*tan(23)*x^2 is cumbersome and a bit silly, and not at all adequate for expressions with multiple terms.
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