MaplePrimes Questions

I have been playing around with vectors, and have managed to do all the usual mathmatical things with them, except for this.

How do i figure the value for |a|

I have vectors a, b, c.

I have tried help, and google, but cant seem to find out how to find |a|

Any help appreciated, thanks.

I'd welcome some advice please on how to control the points Maple uses when plotting in 2D. I have a function f(i) and I'd like it only to plot the points where i is an integer. I have tried including assuming (i::integer) but this seems to make no difference - maybe I have the syntax wrong. I have found the POINTS option but haven't worked how to use this for, eg, 100 points f(1), f(2), f(3) ....... without inputting each point separately (very tedious!) [in fact, even doing this for a few points I still cannot get it to work].

Any help very gratefully received.

Good morning everyone

I have a question concerning Maple file output. Is there a way, that I can produce multiple files with Maple using a loop? My main problem is how to get Maple to create files with different names, like file1.txt -> file2.txt -> file3.txt ..... because so far i figured, that

fopen("file[i].txt",WRITE) , with i beeing the loop index

does not work :)

Thank you for any help

 

Karl

Hi, I m using the Nonlinearfit command .the fit is very good and gives reasonable values for the parameters of he fitting but Maple says the Residual Mean Squre value is not available when I use the command

eq_fit:-Results(residualmeansquare)

please any one know the meaning?thanks

 

<p>If been able, in the other types of questions to use the commands;</p>

How do I add my own functions to the nonitalic list like sin, ln etc? I want eg. Col(A) and span{...} to not be in italic automatically.

I've seen in the typesetting rules, and tried adding them to dependency suppresion, but that doesn't accomplish anything :p

And #2: When I write {....}, I always get "Error, unable to match delimiters" on the last "}" -- how do I remove that message?

 

Thanks!

My function is: p(x) = 2*x^5-5*x^4+3*x^3-3*x^2+x+2. Question about this:

1. Find the 1st derivative of this function and plot it.

2. Find the 2nd derivative of this function and plot it.

3. Find the 3rd derivative of this function and plot it.

4. Find the 4th derivative of this function and plot it.

5. Plot p(x) and its derivative ont the same set of axes that clearly displays both graphs and all relative max and min. Use Paint menu to clearly label the functuon and it's derivative.

How do i go about identifying all horizontal and vertical asymptotes for a given problem?

Lets say (6x^2)/(x^3+2x^2-5x) for example, with multiple powers. How do I identify all of the asmpytotes?

 

And I was also curious, does every undefined value of f(x) lead to a vertical asymptote? Can the graph of of a function cross the graph of its horizontal or vertical asymptotes, and how many horizontal asymptotes can a graph have?

I need to answer a question, using maple, mathcad, or a similar algebra solver.

I have a little experience in Maple, and thought it would be easy, buts its not, here is the question.

The question is

-----

Let P and Q be two points in the x-y plane with coordinates (1,2)  and (1,-1) respectively with respect to an origin O. Express OP, OQ and QP in the form Ai  + Bj   where A and B are scalars. Let R be a point on OP so that OR = 1/3OP . Find OR and QR in terms of i  and j .

-----

I have no idea how to do this.

I need to answer a question, using maple, mathcad, or a similar algebra solver.

I have a little experience in Maple, and thought it would be easy, buts its not, here is the question.

The question is

-----

Let P and Q be two points in the x-y plane with coordinates (1,2)  and (1,-1) respectively with respect to an origin O. Express OP, OQ and QP in the form Ai  + Bj   where A and B are scalars. Let R be a point on OP so that OR = 1/3OP . Find OR and QR in terms of i  and j .

-----

I have no idea how to do this.

I wanted to make an animation of the 3-leaved rose, but the following codes only produce the separate figures.

with(plots):
r:=sin(3*t):

K:=30: for i from 1 to K do ti:=i*2*Pi/K:

curve[i]:=polarplot(r(t), t=0..ti) od:

C:=display(seq(curve[i],i=1..K), insequence=true):

display(C, scaling=constrained,tickmarks=[0,0], thickness=3);

 

 The following codes produces the animation I needed.
with(plots):
r:=sin(3*t):

K:=30: for i from 1 to K do ti:=i*2*Pi/K:

curve[i]:=polarplot(r(t), t=0..ti) od:

C:=display(seq(curve[i],i=1..K), insequence=true):

display(C, C, scaling=constrained,tickmarks=[0,0], thickness=3);

 

The only difference is in the last line, where the “C” has been written twice instead of once. I don’t know why. Could anyone explain it to me? Thanks.

 

 

 

    It’s a pity that Maple does not offer easy ways to plot the region between two curves in the xy-plane. The option “filled=true” can only plot the region between the curve y=f(x) and the x-axis.

Maple 11:

I've made a list of all of the elements of the symmetric group s_6:

> S_6 := permgroup(6,{[[1,2]],[[1,2,3]],[[1,2,3,4]],[[1,2,3,4,5]],[[1,2,3,4,5,6]],[[1,2],[3,4]],[[1,2,3],[4,5]],[[1,2,3],[4,5,6]],[[1,2,3,4],[5,6]]});
> ident := permgroup (6, {[]} ):
> cosets(S_6, ident);

How do I extract certain types of cycle structures (e.g (**)(**)) from the list?

Thanks in advance.

 

I typed in

series( 1/4*sqrt(2)*sqrt(Pi)*exp(-1/2)*(erf(1/2*sqrt(2)*x-1/2*I*sqrt(2))+erf(1/2*sqrt(2)*x+1/2*I*sqrt(2)))*exp(1/2*x^2),x);

I used  exp to avoid a pitfall.

Maple says

A link to a Maple10 worksheet is attached below.  The worksheet has the command lines but has not been executed so it size came under the limit for uploading.  The worksheet is an effort to animate the radius vector to a spacecurve complete with the tangent vector and associated normal and binormal vectors.  Early in the worksheet we suceed in animating the radius vector and the spacecurve.  This success was achieved with some pain.  For instance errors with the plot structures na ddisplay command would not work unless the whole sheet was executed - if, after this,

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