MaplePrimes Questions

I am trying to animate multiple plots in Maple.  I know that each of the individual plots work so this cannot be the cause of my error.  Nevertheless, I am getting an error message that I don't understand.

 

Here is my code: 

We have new problems, running  in maple 12.02, the example of the website
intpak, function
&cmult_opt displays the following message:
"Error, unable to parse."

This problem does not occur if the function is executed in a worksheet with
extension mws.

The other problem is with the function compute_all_zeros_with_plot:

"Error, (in plots:-display) cannot make plot structure from object with name
textplot"

What is the best way to create the equivalent of Matlab stem plots in Maple? (i.e. discrete point plots with a vertical line down to the X-axis - usually used to illustrate a discrete sequence)

 

 

Which can be solved simultaneously to give estimates for a and b by Maple

{Psi(1,b)-Psi(1,a+b)} / {Psi(0,b)-Psi(0,a+b)}= s2/s1

{Psi(2,b)-Psi(2,a+b)} / {Psi(0,b) - Psi(0,a+b)} = s3/s1

All:

I am trying to export a shaded plot with the transparency set to approximately 0.5 so that the gridlines are visible under the shading.  I am exporting it as an EPS for viewing in Ghostscript and/or LaTex.  Here is a simple example.

pf:=plot(x,x=1..5, view=[0..5.5,0..5.5], gridlines=true, tickmarks=[5,5], thickness=2);

pfshading:=plot(x,x=1..5, view=[0..5.5,0..5.5], gridlines=true, tickmarks=[5,5], filled=true, color=COLOR(RGB,.7,.9,.7), transparency=.5);

display(pf,pfshading);

I am very inexperienced with Maple. I have v.12. I was wondering if there was a way to represent diff(int(abs(x), x = cos(t) .. sin(t)), t) in an animation, showing the area under the abs function with the bounds changing in a loop.

Hi,

I am totally new to Maple and need to solve 2 non linear (algebraic) equations with 2 unknowns simultaneously. Can someone please help and tell me how to do this???

Thanks

i have rotated a point on the sphere with rotate command. i found the new points coordinates but I can not use them. How can I use the new coordinates?
thanks..

 

I'm pretty new to Maple. I've been using MATLAB for quite a while but it isn't very convenient for this problem. My first question is if it's possible for Maple to do partial derivatives for a function with two variables. Here's an example of what I am doing.

W = Q*qA - P(qA - (qA-qE)/2) - (1/2)*k1*(qA - (qA-qE)/3)^2 - (1/2)*k2*(qA - 2(qA-qE)/3)^2;

(Maple cleans that up quite nicely)

Now I want to take the partial of W with respect to qA as well as the partial of W with respect to qE. So I should get something like this:

dW = Q*dqA - P(dqA - dqE)/2 - ...

Hay dere. I've come across a nonlinear equation system which i've tried solving in maple through matrices. Maple's own solve function for systems didn't work out (just threw back gibberish at me which i wasn't able to simplify (root of Z etc)) and i really don't know how to approach the problem. Any suggestion on how to solve it would be appreciated.

The problem is as follows:

0 = 22 - 44t + 216t - 66u - 450u + 362u
0 = 150 - 300t + 185t - 450u + 795u - 495u

Hi ,everyone.I have the following eqations I need to solve.However when I tried to run it in Maple it give out the message as shown in title.could any one see this and give some suggestions pls.

eq1 := (q/a)^2+2*q1*f*cosh(-3*p*q2/(2*a))-1-q1^2*f^2 = 0;

eq2 :=  q=a*q1*f*sinh((3/2)*p*q2/a)*q2;

p:=174e6;q:=199e6;f:=0.25;a:=150e6;

solve({eq1, eq2}, {q1,q2});

 

What is the sum of the central angles of a circle?

  Hello,

 

Hello, this is kind of a newb problem, and isn't even terribly important cause it's just an irritant, but I'd love to know how to get around it. The problem s that Maple occasionally pulls constants out of fractional equations and puts them separately at the front. This might sound confusing so here's an example of what I mean. Take the following two equations: sigma[1] := (sqrt(T^2+1))/(4*(K+sqrt(T^2+1))); sigma[2] := (sqrt(T^2+1))/(4*K*(1+sqrt(T^2+1)));
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