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can anybody help me? i want to check the consistency of my scheme. My equation is too long if i check manually, so i used maple 13 to simplify my equation. But it cannot simplify it because of length of output exceed limit 1000000

restart

eqn1 := u+(1-exp(-m))*u[t]+(1-exp(-m))^2*u[tt]/factorial(2)+(u-(1-exp(-m))*u[t]+(1-exp(-m))^2*u[tt]/factorial(2))-u-(1-exp(-m))*u[x]-(1-exp(-m))^2*u[xx]/factorial(2)-u+(1-exp(-m))*u[x]-(1-exp(-m))^2*u[xx]/factorial(2)+(1-exp(-m))^2*u+(1-exp(-m))^2*u^3-(1-exp(-m))^2*(4*(((x+1-exp(-m))^2-2)*cosh(x+1-exp(-m)+(t+1-exp(-m)))-(4*(x+1-exp(-m)))*sinh(x+1-exp(-m)+(t+1-exp(-m)))+(x+1-exp(-m))^6*cosh(x+1-exp(-m)+(t+1-exp(-m)))^3))*((x^2-2)*cosh(x+t)-4*x*sinh(x+t)+x^6*cosh(x+t)^3)*(((x+1-exp(-m))^2-2)*cosh(x+1-exp(-m)+t)-(4*(x+1-exp(-m)))*sinh(x+1-exp(-m)+t)+x^6*cosh(x+1-exp(-m)+t)^3)*((x^2-2)*cosh(x+1-exp(-m)+t)-4*x*sinh(x+1-exp(-m)+t)+x^6*cosh(x+1-exp(-m)+t)^3)/((((x+1-exp(-m))^2-2)*cosh(x+1-exp(-m)+(t+1-exp(-m)))-(4*(x+1-exp(-m)))*sinh(x+1-exp(-m)+(t+1-exp(-m)))+(x+1-exp(-m))^6*cosh(x+1-exp(-m)+(t+1-exp(-m)))^3)*((x^2-2)*cosh(x+t)-4*x*sinh(x+t)+x^6*cosh(x+t)^3)*(((x+1-exp(-m))^2-2)*cosh(x+1-exp(-m)+t)-(4*(x+1-exp(-m)))*sinh(x+1-exp(-m)+t)+(x+1-exp(-m))^6*cosh(x+1-exp(-m)+t)^3+(x^2-2)*cosh(x+1-exp(-m)+t)-4*x*sinh(x+1-exp(-m)+t)+x^6*cosh(x+1-exp(-m)+t)^3)+(((x+1-exp(-m))^2-2)*cosh(x+1-exp(-m)+t)-(4*(x+1-exp(-m)))*sinh(x+1-exp(-m)+t)+(x+1-exp(-m))^6*cosh(x+1-exp(-m)+t)^3)*((x^2-2)*cosh(x+1-exp(-m)+t)-4*x*sinh(x+1-exp(-m)+t)+x^6*cosh(x+1-exp(-m)+t)^3)*(((x+1-exp(-m))^2-2)*cosh(x+1-exp(-m)+(t+1-exp(-m)))-(4*(x+1-exp(-m)))*sinh(x+1-exp(-m)+(t+1-exp(-m)))+(x+1-exp(-m))^6*cosh(x+1-exp(-m)+(t+1-exp(-m)))^3+(x^2-2)*cosh(x+t)-4*x*sinh(x+t)+x^6*cosh(x+t)^3));

(1-exp(-m))^2*u[tt]-(1-exp(-m))^2*u[xx]+(1-exp(-m))^2*u+(1-exp(-m))^2*u^3-(1-exp(-m))^2*(4*((x+1-exp(-m))^2-2)*cosh(x+2-2*exp(-m)+t)-16*(x+1-exp(-m))*sinh(x+2-2*exp(-m)+t)+4*(x+1-exp(-m))^6*cosh(x+2-2*exp(-m)+t)^3)*((x^2-2)*cosh(x+t)-4*x*sinh(x+t)+x^6*cosh(x+t)^3)*(((x+1-exp(-m))^2-2)*cosh(x+1-exp(-m)+t)-4*(x+1-exp(-m))*sinh(x+1-exp(-m)+t)+x^6*cosh(x+1-exp(-m)+t)^3)*((x^2-2)*cosh(x+1-exp(-m)+t)-4*x*sinh(x+1-exp(-m)+t)+x^6*cosh(x+1-exp(-m)+t)^3)/((((x+1-exp(-m))^2-2)*cosh(x+2-2*exp(-m)+t)-4*(x+1-exp(-m))*sinh(x+2-2*exp(-m)+t)+(x+1-exp(-m))^6*cosh(x+2-2*exp(-m)+t)^3)*((x^2-2)*cosh(x+t)-4*x*sinh(x+t)+x^6*cosh(x+t)^3)*(((x+1-exp(-m))^2-2)*cosh(x+1-exp(-m)+t)-4*(x+1-exp(-m))*sinh(x+1-exp(-m)+t)+(x+1-exp(-m))^6*cosh(x+1-exp(-m)+t)^3+(x^2-2)*cosh(x+1-exp(-m)+t)-4*x*sinh(x+1-exp(-m)+t)+x^6*cosh(x+1-exp(-m)+t)^3)+(((x+1-exp(-m))^2-2)*cosh(x+1-exp(-m)+t)-4*(x+1-exp(-m))*sinh(x+1-exp(-m)+t)+(x+1-exp(-m))^6*cosh(x+1-exp(-m)+t)^3)*((x^2-2)*cosh(x+1-exp(-m)+t)-4*x*sinh(x+1-exp(-m)+t)+x^6*cosh(x+1-exp(-m)+t)^3)*(((x+1-exp(-m))^2-2)*cosh(x+2-2*exp(-m)+t)-4*(x+1-exp(-m))*sinh(x+2-2*exp(-m)+t)+(x+1-exp(-m))^6*cosh(x+2-2*exp(-m)+t)^3+(x^2-2)*cosh(x+t)-4*x*sinh(x+t)+x^6*cosh(x+t)^3))

(1)

a := simplify(eqn1);

`[Length of output exceeds limit of 1000000]`

(2)

``


Download consistency_expmle_4.mw

.

Hi
how can we write a same result n-times near each other


x:=3:
for i from 1 to 4 do       # here the 4 can be a variable and can change...
    x;
    od;
                                  3
                                  3
                                  3
                                  3

I need the result to come in that form  :    3  ,  3  ,  3  ,  3
and because the number of times can change i can't just easily write x,x,x,x;

thanks in advance

 when i  input  bellow

                

  • Maple can output

                  

 

 

Has there been any progress with new commands for Maple 13 that allow one to auto-resize the plotting grid?

I am generating fractals with Maple 13 and resizing the plot output grid manually is not an option because it distorts it. Neither is the option to resize it once and recalculate, because the final grid contains many points.

Any pre-processing or massaging code prior to executing the main code is very welcome (if it can be done).

Many thanks,

Yiannis

Here's my problem,

I'm this line of code

result:=solve({x+y=1,x+2y=4},{x,y})
and the value of result is
{x=-2,y=3} and the value of result[1] is x=-2.

I would like the value of result to be {-2,3} for I need to use those output later. Is there any way to put those output in a list?

I tried to run a few calculation on maple, the numerical output is, e.g.

 

0.3 10^(-5)

 

Is there any simple way to set it as 0.3e-5? I am not intened to write the data into a file, hence, i am not sure if writedata is a suitable option.

 

Thank you very much! 

 

Dear friends!

My question does not concern essential functioning of Maple and does not influence on any computation performance. But I ask you to pay attantion to it.

For a long time ago I noticed, that representation of some elements of Maple worksheets does not correspond to settings. For example, I would like to have 2D Ouput style in bold font, which I used in Classic interface in the years of my youth. I adjusted this style as needed:

0

1

Nevertheless, output font has a normal (no-bold) style:

1

Is it possible to fix the problem?

I am using the SumOverRepeatedIndices and get a Length of Output Exceeded error. Sometimes if I close the file and restart the program then I get a result and no error.  However, if I recalculate then I get the error.

 


restart; with(Physics); with(Tetrads)

[e_, eta_, gamma_, l_, lambda_, m_, mb_, n_]

(1)

`#msup(mi("ds",mathcolor = "#af00af"),mn("2",mathcolor = "#af00af"))` := Physics:-`*`(Physics:-`*`(2, dzeta), dzetabar)+Physics:-`*`(Physics:-`*`(2, du), dv)+Physics:-`*`(Physics:-`*`(2, H(zeta, zetabar, u, v)), (du+Physics:-`*`(Ybar(zeta, zetabar, u, v), dzeta)+Physics:-`*`(Y(zeta, zetabar, u, v), dzetabar)-Physics:-`*`(Physics:-`*`(Y(zeta, zetabar, u, v), Ybar(zeta, zetabar, u, v)), dv))^2)

2*dzeta*dzetabar+2*du*dv+2*H(zeta, zetabar, u, v)*(du+Ybar(zeta, zetabar, u, v)*dzeta+Y(zeta, zetabar, u, v)*dzetabar-Y(zeta, zetabar, u, v)*Ybar(zeta, zetabar, u, v)*dv)^2

(2)

X = [zeta, zetabar, u, v]

X = [zeta, zetabar, u, v]

(3)

PDEtools:-declare(`#msup(mi("ds",mathcolor = "#af00af"),mn("2",mathcolor = "#af00af"))`)

Ybar(zeta, zetabar, u, v)*`will now be displayed as`*Ybar

(4)

Setup(coordinates = (X = [zeta, zetabar, u, v]), metric = 2*dzeta*dzetabar+2*du*dv+2*H(zeta, zetabar, u, v)*(du+Ybar(zeta, zetabar, u, v)*dzeta+Y(zeta, zetabar, u, v)*dzetabar-Y(zeta, zetabar, u, v)*Ybar(zeta, zetabar, u, v)*dv)^2)

[coordinatesystems = {X}, metric = {(1, 1) = 2*H(X)*Ybar(X)^2, (1, 2) = 1+2*H(X)*Ybar(X)*Y(X), (1, 3) = 2*H(X)*Ybar(X), (1, 4) = -2*H(X)*Ybar(X)^2*Y(X), (2, 2) = 2*H(X)*Y(X)^2, (2, 3) = 2*H(X)*Y(X), (2, 4) = -2*H(X)*Y(X)^2*Ybar(X), (3, 3) = 2*H(X), (3, 4) = 1-2*H(X)*Ybar(X)*Y(X), (4, 4) = 2*H(X)*Y(X)^2*Ybar(X)^2}]

(5)

g_[]

g_[mu, nu] = (Matrix(4, 4, {(1, 1) = 2*H(X)*Ybar(X)^2, (1, 2) = 1+2*H(X)*Ybar(X)*Y(X), (1, 3) = 2*H(X)*Ybar(X), (1, 4) = -2*H(X)*Ybar(X)^2*Y(X), (2, 1) = 1+2*H(X)*Ybar(X)*Y(X), (2, 2) = 2*H(X)*Y(X)^2, (2, 3) = 2*H(X)*Y(X), (2, 4) = -2*H(X)*Y(X)^2*Ybar(X), (3, 1) = 2*H(X)*Ybar(X), (3, 2) = 2*H(X)*Y(X), (3, 3) = 2*H(X), (3, 4) = 1-2*H(X)*Ybar(X)*Y(X), (4, 1) = -2*H(X)*Ybar(X)^2*Y(X), (4, 2) = -2*H(X)*Y(X)^2*Ybar(X), (4, 3) = 1-2*H(X)*Ybar(X)*Y(X), (4, 4) = 2*H(X)*Y(X)^2*Ybar(X)^2}))

(6)

NULL

``

eqn1 := SumOverRepeatedIndices(Physics:-`*`(d_[mu](Y(Zeta, zetabar, u, v)), e_[1, `~mu`])) = 0

`[Length of output exceeds limit of 1000000]`

(7)

eqn2 := SumOverRepeatedIndices(Physics:-`*`(d_[mu](Y(Zeta, zetabar, u, v)), e_[2, `~mu`])) = 0

`[Length of output exceeds limit of 1000000]`

(8)

eqn3 := SumOverRepeatedIndices(Physics:-`*`(d_[mu](Y(Zeta, zetabar, u, v)), e_[4, `~mu`])) = x

(1/2)*(-(diff(Y(Zeta, zetabar, u, v), zetabar))*(Y(X)*Ybar(X)+1)*2^(1/2)+(diff(Y(Zeta, zetabar, u, v), u))*2^(1/2)*(Y(X)-Ybar(X))-(diff(Y(Zeta, zetabar, u, v), v))*2^(1/2)*(Y(X)-Ybar(X)))/((-(Ybar(X)^2+1)*(Y(X)^2+1)/(Y(X)-Ybar(X))^2)^(1/2)*(Y(X)-Ybar(X))) = x

(9)

eqn1 := `[Length of output exceeds limit of 1000000]` = 0

`[Length of output exceeds limit of 1000000]` = 0

(10)

algsubs(`[Length of output exceeds limit of 1000000]` = 0, `[Length of output exceeds limit of 1000000]`)

0

(11)

``

simplify(`[Length of output exceeds limit of 1000000]`)

``


Download Derive_Eq_4.4.mw

Short question version:

print(plots[display](seq(seq...   ...)):  works fine!  Why??

Longer, more detailed question:
  print(plots[display](seq(seq...   ...)):   This Maple statement ends in a colon - so I would not have expected any output.  I'm using "pretty" print, as opposed to printf, because it automatically centers the output

    This question is actually an extension of one I posed  yesterday, under the title "How to clear Maple output" - but the question I should have been asking is: "Why is the previous output not automatically cleared?"  The main points of that question are stated below.  Any comments, suggestions gratefully received.

   David

"How to clear Maple output"

I'd like to know how the screen previous ouput can be cleared.   ...or what is the likely cause.

   At the start of my program I have:

restart;
interface(echo=0, verboseproc=0, warnlevel=0, prettyprint=1):

#I thought restart; would automatically have cleared any previous output.

The program reads necessary input (eg no of players, ..)  using:

x:=readline(terminal):

I have written a program which plays the game of Multicube, a commercially made boardgame. It works OK except that when the game is replayed, the previous game output stays on the screen.  This is rather distracting and I'd like the screen cleared when a new game is run.   I'd like to know how the screen previous ouput can be cleared.   ...or what is the likely cause.

   At the start of my program I have:

restart;
interface(echo=0, verboseproc=0, warnlevel=0, prettyprint=1):

#I thought restart; would automatically have cleared any previous output.

The program reads necessary input (eg no of players, ..)  using:

x:=readline(terminal):

 

Thanks,  David

 

 

Hi

I'm trying make Maple write the actual result, when i differenting an expression: x[s] := x(t)+sin(theta(t))*a.
when i differentiate with respect to t, i get:

> diff(x[s], t);
=
print(`output redirected...`); # input placeholder
/ d \ / d \
|--- ()(t)| + cos(theta(t)) |--- theta(t)| a
\ dt / \ dt /

Maple, writes the expression as a table, but i need to see the normal function? Why does it do that? And how can i make it show the expression as a normal function?


When i derive the two parts serperately i get the normal result, but as soon as i add them together, i get the table rasult again?

Is there an easy trick for this one?

-Nicolai

 

 

So if I have a procedure like 

with(GraphTheory)

tneighbors := proc (G::Graph)

local numvertices::integer, i::integer, currentvertex;

numvertices := nops(Vertices(G));

for i to numvertices do

currentvertex := Vertices(G)[i];

if nops(Neighbors(G, currentvertex)) = 2 then print(currentvertex)

end if;

end do;

end proc;

How do I make it so the output gets returned as a set?

For example, if I do  twoneighbors(G); and get
1

7

4

How do I make it so the output is listed as a set like {1,4,7}? Thanks.

for example i want to save the Square root of 2 to 1000000 decimal place to an ascii text file ...

i used the writeto command after evalf[100](sqrt(2)) for but it contains line breaks and \ character in output !

but i only need the pure continues 1000000 digits !

please guide me on this simple request ?

Hi all. I am using Maple 18.

1. Does Maple only output an answer, or can it be made to display the steps it took to achieve the result, in a way that is logical and understandable by the user? For example, I would like to see it display steps when integrating or differentiating, or dividing a polynomial by another polynomial. Basically any process that involve simplifyinf or factorisation.

2. I am trying to divide x^2 + 5x + 9 by x+2, but all Maple displays is the expression

How can I make it do the polynomial division and output the steps it took? I tried using simplify and evaluate from the context menu but the output is still just the expression.

3. Has something happened to this site? It was working fine in Opera until two days ago, and has sinmce started displaying "Error generating page" where the replies to questions should be. No problems with the "posts" section, only in the "questions" section.

Thanks in advance.

 

Hi all,

i have the following problem:

i had create this tiny procedure to compute the berstein base elements:

Berstein base

And so i would like print space, between B(i,n,t) and the formula corresponing, without quotes :D

In other word i would an output like this:

B(i,n,t),      ,(formula)

 

Thank you in advance :)

     

 

 

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