MaplePrimes Questions

Hi there,

I am working on a Maple sheet where I've been doing all the calculations with units. The problem is that I now want to get the product of a "seq" "R_DC_total-sek" and multiply it by the sequence R_AC_total-sek. But how do I do that? I've tried changing them into lists, but since one of the lists have units and the other one do not, Maple does not multiply the two lists, but just prints them.

I've uploaded the sheet here:

http://www.2shared.com/file/4sUmrdn0/EFD_N87_10_5_3...

Thanks for your attention firstly. I want to plot the error function between the exact solution and numerical

solution. However, there are some errors. Here is my procedure. would do you like help for this procedure?

restart:
with(plots):
Digits:= 32;
u := 1;
w1 := 10;
w2 := 5;
ode := diff(y(t), `$`(t, 2)) = u*(1 - y(t)* y(t))*diff(y(t), `$`(t, 1)) - y(t) + t*exp(I*2*w1*t) + t^2*exp(I*2*w2*t):
ics := y(0) = 1:
dics:= D(y)(0)= 0:

Good Morning.

 

I have a problem

i have two functions

> xcir(t):=0.3 + 0.15*sin(t):
> ycir(t):= -0.3-0.15*cos(t):
 
and i suppose that i have a problem in the following equation
> qd2 := ((arctan(-ycir(t)/xcir(t))-arctan(.45*sin(qd3(t))/(.45+.45*cos(qd3(t)))))*180)/(3.1416);
> qd3 := 180*arccos((xcir(t)*xcir(t)+ycir(t)*ycir(t)-.45*(2*.45))/(.45*(2*.45)))/(3.1416);
 

New to maple. Trying to solve system of four difference equations for four variables in the form:

Keep getting "warning, solutions may have been lost".

Any suggestions on where I go from here? The solution I know exists is not returned in the list of solutions.

Thanks

Hi, all. I'm not too confident in the results of Tolerances. I am very confident in the results of ScientificErrorAnalysis. Sadly, the Tolerances package has an awesome +- operator, while ScientificErrorAnalysis has the bulky Quantity() function. I'd like to define +- to be Quantity, something akin to this:

`&+-` := (a,b)->Quantity(a,b);

Sadly, 

1+`&+-`(2);

In regards to executing a command to output text in color I have stumbled across a minor bug?

Tools -> options -> display -> typsetting level : Extended

Typsetting[Settings](autoatomic) #checking default autoatomic setting (don't know if this really matters though)
                 true

Type in    testing    - select the...

Does anyone know a command for using Newton's method to a solve a nonlinear system, particularly this one:

4y^2+4y+52x=19

169x^2+3y^2+111x-10y=10

?

 

Also, how about this one:

x+e^-1x+y^3=0

x^2+2xy-y^2+tan(x)=0

 

?

 

Thank you

Hi all,

I am now helping with the first year maple session in my university. Recently, some of the student are learning both 1-d and 2-d input.

Now we have something like this:

 

Is this some sort of bug?

I know it has something to do with the 1-d or 2-d or math input, but in short, that's what happens.

Thanks!

I have maple 13, windows xp.

I am just curious about the existense of some way through which I can navigate with in maple worksheets tabs with kepboard shortcuts.

I would really appreciate the help as it is annoying to use mouse again and again for naviagation

Hi! A question regarding animating a rotation transformation defined by plottools[transform]. I can get the shear, translation and stretch to be animated. But when I use the same commands for rotation, the output doesn't appear. Here are my commands attempting to animate the rotation:

with(plots):

with(plottools):

with(LinearAlgebra):

p:=plottools[rectangle]([0,1],[1,0])

g:=transform((x,y)->convert(Multiply(Matrix([[cos(r), sin(r)...

Just curious, something simple really

In standard Maple,
is plot(x2); then 'right-click-on-graph' -> axes -> create second axis the same as plots[dualaxisplot](x2,x2) ?

If so, why wasn't a secondaxis=true/false option made available in the command line?

Is there a way to color the output text from command line, say using printf? 

printf("I want this output to be green for example");

Any alternate ways to produce colored text from the command line?

I'm writing a maple package, and would like to write one procedure GenerateReport(); which will output multiple plots as well as some text and numbers. How do I do this? Seems like I can use print to output the text and then use the plot command as the last line, however if I try to do multiple plots it only outputs the last one.

I am trying to plot the cdf of a binomial random variable, which has jump discontinuities at each of the integers with positive probability mass. Typically, when plotting a piecewise function, one would prefer not to have Maple connect all the points of discontinuity with a vertical line, and discont=true achieves that. Why doesn't the following command yield the expected results:

with(Statistics):

with(plots):

X:=RandomVariable(Binomial(25,.65)):

when i open maple and type characters it diasapears after awhile and cant type anything

and i cant see many characters in special menus

First 1817 1818 1819 1820 1821 1822 1823 Last Page 1819 of 2430