Maple 13 Questions and Posts

These are Posts and Questions associated with the product, Maple 13


how to evaulate the value of R(z) for different values of z=0 to 1 with an interval of 0.1 and print ten values  in one column

R(z):= 1-cos^2*(Pi*z);

why i can not evaluate 29 polynomial. maple try to evaluate last 7hr, how many time required too solve it?



I require help to plot graphs by changing differernt parameters. i am enclosing my codes and sample codes,

Thanks in advance.

Hai any one help me to plot the curves and remove the errors  i am attaching the codes and  sample graph. thanks in advanced.



I am unable to the get the output  in ans2 , error is comming


#dsolve( (ode), { v[1](r) } ):
IC1 := {v[1](0) = 0}:
ans2 := combine(dsolve(`union`(ode, IC1),{v[1](r)}));

 How to display the result in the desired form in partial differential equation and also collect the same terms

i am attaching sample codes

# we want the result out put  like this
A1 := lambda*(C[o]^2*exp(2*lambda*z)-D[o]^2*exp(-2*lambda*z))*(1-r^2):
#we want the  resultant output like this

 Any one can help me to solve the differential equations using maple to get the velocities u ,v and pressure p for the problem mentioned below

How do I save these fonts as my default ones?                                

"Maple Input: Arial 24, Red"

and "2D Output: Arial 18, Blue".

I am using Maple 13.

Thank you!


Any one can help me to convert matlab codes to

%Finite element method code for solving bvp nonlinear ODEs%

% u''+uu'-u=exp(2x), u(0)= 1, u(1)=e     %


function FEM_Code()

clear all; close all; clc

n=5;                     % NO of element

nn=n+1;                  % No of nodes

lgth=1;                  % Domain length

he=lgth/n;               % lenth of each elemnet

x=[0:he:lgth];           % Data point for independant variable

AC=0.00005;              % Accuracy

F=zeros(nn,1);           % Initialization

F(1)=exp(0); F(nn)=exp(1);  % Boundary conditions



% Direct Iterative process to handle nonlinear problem



count=0;                   % Initializations for count for iterations

tic                        % Time start

while (c>0)



          for i=1:nn

            if (abs(F(i)-F1(i))>AC)








  disp('Hence solution=:');


  % Output for prinmary and secondary variables %%%



  fprintf('No of element=%d\n',n)

  disp('      x       FEM          Exact       Error')


  fprintf('No of iterations=%d\n',count)


  %%% Ploting of primary variable %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%






  title('solution plot to given BVP')

  toc                                % given totlal time




%%% Derivative of element matrix and Assembly%%%%%%%%%%%%%%%%%%%%



function [F1]=assembly(F,n,he)


k = zeros(nn,nn);               % Initialization of main Matrix

R = zeros(nn,1);                % Initialization of RHS Matrix

syms x                          % x as symbolic variable

s=[1-x/he,x/he];                % linear shape function

ds=diff(s,x);                   % Differentiations of shape function

lmm =[];

for i=1:n

    lmm=[lmm;[i,i+1]];          % connectvity Matrix


for i=1:n



    %%% Generation of Element Matrix k11 and RHS Matrix f1%%%%%%%%%%




    f1 = int(exp(2*(x+(i-1)*he))*s',x,0,he);


    %%% Assembly accroding to connectivity Matrix%%%%%%%%%%%%%%%%%%%%



    k(lm,lm) = k(lm,lm) + k11;

    R(lm) = R(lm) + f1;



%%% Imposing Boundary Conditions %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%



k(1,:) = 0.0; k(nn,:) = 0.0;

k(1,1) = 1.0; k(nn,nn) = 1.0;

R(1,1) = F(1); R(nn,1) = F(nn);


%%% Solution of equations (F1) %%%%%%



d = k\R;           % better than using inverse k*R

F1 = d;




















i am attaching the codes and file. i will be thankful to you .

How can I activate my maple 13?

I have no activatIon left but installed maple


My purchase Code is BNN7VMT4BPFN7ESG

Thank. You 



" S3:=proc(psi) [[[cos(psi),-sin(psi),0],[sin(psi),cos(psi),0],[0,0,1]]]:  end  proc ;   S1:=proc(`ϕ`)  [[[1,0,0],[0,cos(`ϕ`),-sin(`ϕ`)],[0,sin(`ϕ`),cos(`ϕ`)]]]:   end proc;"

proc (psi) Matrix(3, 3, {(1, 1) = cos(psi), (1, 2) = -sin(psi), (1, 3) = 0, (2, 1) = sin(psi), (2, 2) = cos(psi), (2, 3) = 0, (3, 1) = 0, (3, 2) = 0, (3, 3) = 1}) end proc


proc (`ϕ`) Matrix(3, 3, {(1, 1) = 1, (1, 2) = 0, (1, 3) = 0, (2, 1) = 0, (2, 2) = cos(psi), (2, 3) = -sin(psi), (3, 1) = 0, (3, 2) = sin(psi), (3, 3) = cos(psi)}) end proc




Matrix([[cos(uu), -sin(uu), 0], [sin(uu), cos(uu), 0], [0, 0, 1]])



Matrix([[1, 0, 0], [0, cos(psi), -sin(psi)], [0, sin(psi), cos(psi)]])





Way i get the wrong output with procedure S1(uu)

arrow([u1, u2, u3], shape = cylindrical_arrow, length = sqrt(LinearAlgebra:-Transpose(f0).f0), color = [red, black, green]):

Why i get this error

Error: the number of colours in the COLOUR structure is not sufficient.Error: the number of colours in the COLOUR structure is not sufficient.Error: the number of colours in the COLOUR structure is not sufficient.Error: the number of colours in the COLOUR structure is not sufficient.Error: the number of colours in the COLOUR structure is not sufficient.Error: the number of colours in the COLOUR structure is not sufficient.

I am trying to solve a second order differential equation but getting error. The differential equation valid for r>0.

I am trying to solve system of differential equation as shown in file attached. The differentail eqaution has peicewise function for t=8*n and t not equal to 8*n where n is a positive integer. but i am getting error. please help.

Hello everyone! I have just started to using Maple 13. I want to solve complex eauation systems.

When I am working on Maple, If I write simple mathematical calculation and then press right click, the context menu open. However, I want to use solve command. Therefore I wrote an eauation after than press right click the context menu will not open. 

What is the reason of this problem? 

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