Maple Questions and Posts

These are Posts and Questions associated with the product, Maple

I have three separate matrices with 3 function values, and i want to plot them all together. I tried using listplot3d, but it seems to be impossible. How do i do it?

I'm new to Maple, and I come from using Matlab.  Apparently my Matlab way of thinking isn't working on Maple.  I'm trying  to ride a bit of code that simulates flipping a coin 1000 times.  The code counts one partiuclar result (1=heads) at the end prints that result.

 

Here's the code:

 

dice:=proc()

count:=0:  

for i from 1 to 10000 do  

roll := rand(1..2):  

roll:=()  

if (roll=1) then count:=count+1 end if  

end do  

print(count)  

 I get errors saying I didn't terminate my loops correctly.  Help, please.

Hi everyone. This problem is driving me nuts. I'm pretty sure it's a glitch but I'm not sure how to solve it. I'm trying to do some data analysis with Maple:

(as a side note, even if I remove the for loop but don't execute the restart command the error remains, however if I get rid of the for loop and execute the restart command it is fine.)

Any help would be greatly appreciated. As it stands this is really driving me insane.

How can I quickly  convert a maple file ful of equations into MathML in Word, nt losing the upper and lower index structure - basically to be able to count each letter in MS Word 2013?

When I tried via Latex or MathML, I have lost the letter structure and got the conversion as an image.

 

Euler := proc (f::procedure, a, b, alpha, n::integer)
local w, h, i, xN, yN;
w := array(1 .. 2, 1 .. n+1);
h := (b-a)/n;
i := 1;
xN := a;
yN := alpha;
while i <= n+1 do
w[1, i] = xN;
w[2, i] = yN;
print*w[1, i]
yN = yN+h*f(yN, xN);
xN = xN+h;
i = i+1
end do;
print*w
end proc

Hello.

I want to to evalute a picewice variable for a vector of values (like t=<0,0.1,0.2,0.3,...,10>) through a button action's code, but i do not know how can i do that. I have attached a picture of my problem. Could you please help me to solve it?

Thank you.

 

polygon_2_color.mw

Imitation coloring both sides of the polygon in 3d.  We  build a new polygon in parallel with our polygon on a very short distance t. (We need any three points on the polygon plane, do not lie on a straight line.) This place in the program is highlighted in blue.

Paint the polygons are in different colors.

Hello,

I am new to Maple. I am working on PDE and I wanted to try an easy example to know how to work with Maple. So, I startted with the example from the HELP, but still get error as shown below. Can someone guides me.

Thank you.

 

How can I make tick marks on the 2-D plot more visible. Attached is a figure created using my maple 2015 student edition

Eight matrices inside the list J:

J := [Matrix([[1, 0], [0, 1]]), Matrix([[0, -I], [-I, 0]]), Matrix([[0, -1], [1, 0]]), Matrix([[-I, 0], [0, I]]), Matrix([[-1, 0], [0, -1]]), Matrix([[0, I], [I, 0]]), Matrix([[0, 1], [-1, 0]]), Matrix([[I, 0], [0, -I]])];

 

Function member identifies J[2] as a member of J and returns its position in j:


member(J[2], J, 'j'); j;

 

Matrix multiplication inside a loop does not have a matrix type:


for i to 1 do for j to 2 do a := J[i].J[j]; member(a, J, 'k'); print(i, j, k, a, whattype(a)) end do end do;

Has anyone any ideia of what is going on?

 

Hi every one, I'm trying to plot the function f which is functions in terms of Bessel functions:Here is the code plz any advise i'll be grateful.

restart:
assume(d,real):assume(t,real):omega:=10^6:Digits:=15:assume(n,real):Delta:=0:
N:=1:N1:=1+2*N;M:=sqrt(N*(N+1));alpha:=M/(2*omega):z(0):=-1:
3
(1/2)
2
I1:=simplify(Sum(BesselJ(n,-I*alpha)*(1/(N1+I*2*omega*n))*(exp((N1+I*2*omega*n)*t)-1),n=-10..10)):

 

sz:=z(0)*exp(-N1*t)*exp(-alpha*sin(2*omega*t))-exp(-N1*t)*exp(-alpha*sin(2*omega*t))*I1:
I3:=Sum((BesselJ(n,-2*alpha)*(-1)^n+BesselJ(n,-2*I*alpha))*exp(-(N1-I*Delta+2*n*omega)*t),n=-infinity..infinity):
w:=laplace(I3,t,s): w1:=subs(s=I*d,w):
w2:=limit(sz,t=infinity):
Need to plot f
f:=w1*w2:
with(plots):plot(Re(f),d=0..5,tickmarks=[2, 2],thickness=2,linestyle=1,color=black,axes=boxed,titlefont=[SYMBOL,14],font=[1,1,18],tickmarks=[2,3],thickness=2);
Warning, unable to evaluate the function to numeric values in the region; see the plotting command's help page to ensure the calling sequence is correct

 

Hi,

So I'm trying to generate a .dat file that has x in the first column, then the output for y1 in the next and y2 in the following, where y1 and y2 are functions of x so the data file would look something like this from x=-5..5 in equal steps of 0.01.

-5          12           8
-4.99     7             5

etc

I'm struggling to get my head around how to do this, i understand i should use the seq function in maple and save it in array of sorts and then use writedata, but im not sure how to piece it together for having 3 columns

 

thanks in advance for any help!

Executing HelpTools:-Database:-ConvertAll(): produced file DirectSearch.help apparently without content. How can all content within DirectSearch.hdb be converted to a .help file accessible through help in Maple 2016?

Valery Ochkov and Volodymyr Voloshchuk have developed a series of thermal engineering applications in Maple 2016. The applications explore steam turbine power generation and refrigeration cycles, and use the ThermophysicalData package for fluid properties.

Their work can be found at the following locations on the Application Center.

I especially like

  • this application, which optimizes the extraction pressures of a steam turbine to maximize its efficiency,
  • and this application, which plots the state of a two-stage refrigeration cycle on a pressure-enthalpy chart.

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