## color BLACK in Maple...

Asked by:
I am coloring the xy plane, by using a procedure(x,y) to assign color. The procedure returns a number and color is assigned according to that number. It works fine but I really want some of the points to be colored BLACK. What numerical value do I use for BLACK? WHITE?

## Colors in Maple

by: Maple
I am coloring the xy plane, by using a procedure(x,y) to assign color. The procedure returns a number and color is assigned according to that number. It works fine but I really want some of the points to be colored BLACK. What numerical value do I use for BLACK? WHITE?

## runtime...

Asked by:
I am currently running a procedure that is taking up a lot of time in maple, I do not really need the whole output and would very much like Maple to run just for a set amount of time and output what it has done so far, how would I go about doing that?

## Maple Expressions to LaTeX converter

Maple

I have written a module based Maple expressions to LaTeX converter which can handle the following nested (as given by `ToInert`) inert types:

_Inert_RATIONAL, _Inert_COMPLEX, _Inert_NAME, _Inert_SUM, _Inert_PROD, _Inert_POWER, _Inert_SET, _Inert_LIST, _Inert_FUNCTION, _Inert_MATRIX, _Inert_VECTOR_COLUMN, _Inert_VECTOR_ROW, _Inert_TABLEREF.

As a somewhat cruel test example consider

```expr := Matrix(2,2,(i,j) ->
-(-x)^(-i/2+c)*sin(x)^(-j)*(a+I*b)^((i-j)/2)
+f({-i,j})/g([-i,j])
+m[i,j]
);
newLatex:-Latex(expr);
```

which yields

## procedure syntax problem , to calculate the maximu...

Asked by:
Hi I can't find the error in this procedure that i have made , to calculate the maximum and return it for a particular function here is the code : mymax:=proc(h1,a1,b1) local t1; local maxi; maxi:=0; t1:=a1; for t1 to b1 do if h1(t1)>=maxi then maxi=h(t1); t1:=t1+0.1; fi; od; maxi; end; h1 is the function a1 and b1 are the [a1,b1] limit of the interval Can you help me ; thank you

## Maple journals, magazines, and newsletters?...

Asked by:
I wonder if there are interesting newsletters and magazines (or even journals) devoted immediately to Maple using/programming. This link http://web.mit.edu/maple/www/plibrary/mtn.html seems obsolete; can anyone help me create a list of useful subscriptions, RSS feeds included? Thank you all in advance.

## stop!!!...

Asked by:
In previous versions of Maple there was an abort/interrupt capability-one could hold down the command key and a period at the same time and eventually Maple would stop the calculation. (Mac worksheet interface). Now there is an interrupt icon which is frequently ignored by Maple. I am currently in an ∞ loop and cannot get out! Help!

## how to know the maximum of a particular function...

Asked by:
hi i want to know the maximum of this function , p := proc (x) options operator, arrow; min(piecewise(x <><><><><><><><><><><><><>

## problem :how to know the intersection of 2 finctio...

Asked by:
hi let's look for the intersection of 2 functions the first one f1 := unapply(CurveFitting[Spline]([[1.55, 1], [1.6, 0], [1.65, 0], [1.7, 0], [1.75, 0], [1.80, 0], [1.85, 0], [1.9, 0], [1.95, 0]], x, degree = 1), x); the second one r := unapply(CurveFitting[Spline]([[1.55, 0], [1.6, 1], [1.65, 1], [1.7, 1], [1.75, 0], [1.80, 0], [1.85, 0], [1.9, 0], [1.95, 0]], x, degree = 1), x); when we plot the 2 functions : plot({f1(x), r(x)}, x = 1 .. 1.95, y = 0 .. 1, thickness = 3); we see that there is 2 intersections that are 1.575000000, RealRange(1.750000000, infinity) but maple gives 1.575000000, 1.550000000, RealRange(1.750000000, infinity)

## how to take only numbers from an array...

Asked by:
hi lets say i have an array like this one a:=[1.575000000, BottomProp, BottomProp,1.6, RealRange(1.750000000, infinity)]; i would like to have from this array only a:=[1.575000000,1.6]; how to do that thank you

## finding the Hessian (third order tensor) and highe...

Asked by:
Hi I want to know whether it is possible to obtain the third order tensor (second derivative) and also the higher order derivatives in Maple just as we can find the Jacobian. Then how? For example, x=array(1..n): f:=[x[1]^2-2x[2], x[2]^3-3x[3]]: jac:=jacobian(f,x); we can get the jacobian. Can we get the second derivative (n by n by n matrix) and also the higher order derivatives. Thanks.

## Maplet conversion to a module...

Asked by:
I have conmpleted a maplet application. It takes 45 seconds to initiate the application. I understand to speed up my application is to convert it into a module. Can someone show me how to convert my applicatioh into module. Consider the application: with(Maplets[Elements]):Hello:=Maplet(["Hello World!", Button("OK", Shutdown())]): Maplets[Display](Hello): thanks in advance. Pat

## plot two indexed equations against eachother...

Asked by:
How would I plot the points of f[i,j,k] versus t[i,j,k] where i, j, and k are from -n to n? Please let me know if you need clarification or further details as to what I'm trying to do.

## Forcing Maple 11 to find the solutions...

Asked by:
Hello, I have an equation to solve over the integers. I already know that there are an infinite number of solutions, but I would like to know how I can get Maple to reproduce my results. I used isolve, but it returned nothing. Is there a trick or way of phrasing the question to get Maple to solve the problem? Thanks isolve((x+y+z)^3 = x*y*z) I also tried (with the same results): isolve((x+y+z)^3-x*y*z = 0) The solution is obviously: {0, n,-n} or some permutation of this set. Note I would like to be able to solve this as if I had no guess! Thank you.

## Closest Prime Number...

Asked by:
This is from Introduction To Maple by Andre Heck page 63, exercise 4(b): "with(numtheory); ... Find the prime number that is closest to 9876543210123456789." Here is a solution that does not use numtheory: View 4937_IntroductionToMaplePage63Exercise4b.mw on MapleNet or Download 4937_IntroductionToMaplePage63Exercise4b.mw
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