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Dear everyone,

  Excuse me, I made some editing work witn the result of maple in editplus, then copy the editplus result to maple. Then I received several ">"

E.g.

f1:=2;
f2:=3;

copy to editplus then copyback to maple, it becomes

>f1:=2;
>f2:=3;

I have to "shift+enter" in maple to create new lines without ">", then copy the content of one line with ">" to the new created line without ">".

Hi 

I want to make a 3D-plot with the style "surfacecontour". My question is: How do I define the number of contourlines? As I understand the default value is 10, but I only want 4. 

I hope you can help me!  

Please write a code for me about following problem.

Let A(0,1,2) be a point and two lines

d1: x/2 = (y-1)/1 = (z+1)/(-1)

d2: x = 1 + t, y = -1 + 2t, 2 + t.

Find the coordinates of the 

Is it possible to a plot,  shown in worksheet, insert vertical lines using the Builder plot ?

GRACIAS

Hello,

I have the following problem:

I have an array of values stored in F[i,j] and plot them using the LineChart tool:

LineChart([seq([seq(F[i, j], j = dmin .. dmax)], i = 1 .. 3)], xcoords = [seq(0.1e-1*2^(k-1), k = dmin .. dmax)],  color = mycolor);

This way, I obtain 3 curves, each of them with a different color as defined by mycolor.

However, for a publication in black and white I would now like to assign different linestyles...

Hello. I am trying to plot a few lines in a threedimensional space in maple 14. The lines are doing what I want, bu they are all pretty ragged. Is there something like a smooth function?

Increasing the numpoints improves the situation, but my processingpower isn't big enough for satisfactory results.

Thanks a lot Ivo

The Code:
> with(plots);
display(
[implicitplot3d([y = 1/x, y = 2*x/(1+2*z)], x = 0 .. 3, y = 0 .. 4, z = 0 .. 2.5, numpoints...

Tank you "Preben Alsholm". Your solution is very nice. But I have a question. When I use

implicitplot(eq(x), x=0..10)

for myself equation, I have a plot with 2 lines where have symmetry with respect to x-axis, but when I use your notation I only have the line under x-axis. Why?

For my physically work I need the upper line.

i got many float data from 'for' sentence relating x,e.g.

for i to 4 do
  x := 0.01*i;
  if (i = 1) then
    y := 0.2;
    z := 0.05:
  elif (i = 2) then
    y := 0.3;
    z := 0.5:
  elif (i = 3) then
    y := 0.5;
    z := 1.05:
  elif (i = 4) then
    y := 1.2;
    z := 2.05:
  else

I'm trying to plot multiple inequality conditions such as

n/2 < m < 6-n  if 0 < n < 1/2

and

m >= n/2 if 1/2 < n < 3 .

I tried to do it by creating two plots via inequal and then using "display", which is what Tadashiito did here:

http://www.mapleprimes.com/questions/37286-Plotting-Multiple...

Points and lines, and the relationships between them, are essential ingredients of so many problems in, for example, calculus. In particular, obtaining the equation of the perpendicular bisector of a line segment, dropping a perpendicular from a point to a given line, and calculating the distance from a point to a line are three tasks treated in elementary analytic geometry that recur in the applications....