MaplePrimes Questions

I was wondering if anyone knew of any Latex environment(s) or configurations that could be used to simulate the look of Maple input (Classic Worksheet Mode). Any suggestions or ideas would be greatly appreciated. Thanks a lot. Keenan
Hi Please see Spiderflygrid2.mws A spider is on the floor of a cubical room of side 1. Its position is given. Where must the fly position itself to be as far as possible from the spider? My attempt minimizes the square of the twelve possible distances. This is m. m:=min(seq(cd[i], i=1..12)); Partial derivatives of m are found with respect to xf (the x coord of the fly) eq1:=diff(m,xf); ... & with respect to yf (the y coord of the fly) eq2:=diff(m,yf); These two equations are then solved simultaneously. solve({eq1,eq2}); Maple gives an error message - is this due to the discontinuities in the expression m? Or (more likely) a fault in my Maple code?
Hello - this is a novice's question: Consider the following: > E1 := a = b > E2 := b = c > eliminate({E1, E2}, {b}) [{b = c}, {a - c}] So this works. > E3 := a1(t) = b1(t) > E4 := b1(t) = c1(t) > eliminate({E3, E4}, {b1}) Error, (in eliminate/recursive) invalid subscript selector What should I do in the second set above to eliminate b1(t) and get the result a1(t) = c1(t)? Thanks.
I'm numerically solving, using pdsolve on Maple 9, the diffusion-recombination equation. I'm interested in the long time behavior after a very short time excitation pulse. Ideally, pdsolve would have the capability to use a small time step for the initial part followed by a larger time step later. Otherwise, I could take the result of a calculation with a short time step as an initial condition for a calculation with a long time step. If anyone knows how to do either of those things, I would be grateful. Thanks, Richard
I have Maple 10.04 running on my PC. The Maplesoft product update site says Maple 10.06 update is available. Do I have to install 10.05 update first? Or can I go from 10.04 to 10.06 directly?? Thanks in advance !
Hello everybody I need to draw a phase portrait for the one-dimensional linear independent equation(just the arrows in axe X) Help me, please!!!
Hello, I would like to convert Maple solutions to Matlab code. Is there a simple package or Maple code doing that ? I do not want to create a permanent link between Maple and Matlab with a toolbox but simply convert the Maple code to a Matlab code. Thanks a lot ! Guillaume

> Suppose I create a matrix as follows:

> Maple Equation

Now I want to make it a 4 x 3 matrix by adding a specific row vector on top. The approach below doesn't work.

> Maple Equation

Hi I pretty new to Maple and I have the following question. I make some calculations and out pops a number of values I am interesting. This is done several times in a loop (which I don't know the number of iterations of). Now, I would like to save these values so I can use them later on. My idea was to put everything into a matrix, and increase the size of it during runtim. I.e. initialize M for 1 to 5 do some calculations that return a and b change M so that M equals the old M with a and b added as last row end do How do I do this?
Hello, I am quite new to Maple and I am trying to solve a system of 3 non-linear equations in 3 variables (A,zp,zh). I have tried the solve command, but after waiting few hours I have decided to stop the computation. Could someone help me with this? The system is as follows eq1 := 1/(-138.8888889/(24000000-50/3*zh)^1.5-.50/zh^1.5-122.7222223/(-8640000+47/3*zh)^1.5)*(5.465600000*A/(1+zp)^.5e-1 +(-16.66666667/(24000000-50/3*zh)^.5+1.0/zh^.5+15.66666667/(-8640000+47/3*zh)^.5)*(.3e-1+.3*A))=0; eq2 := .4879000781e-6/A*(1+zp)^2.05*((-1952000.00*A/(1+zp)^1.05+50/3)*(.3e-1+.3*A)-10.93120000*A/(1+zp)^.5e-1
Hi: In one part of my calculation, I need to assume some properties for a variable; later on, the assumption is no longer needed so I clear the variable. After that, I cannot manipulate any of the previously calculated expressions containing that same variable. Here is an example. How do I get around this? I really need to clear the variable for other reasons. Thanks Mike restart;assume(n>0); > test:=-5/81*n^5+b*n^4+c*n^3+d*n^2+e*n+f; 5 5 n~ 4 3 2 test := - ----- + b n~ + c n~ + d n~ + e n~ + f 81
The enclosed file has 2 document blocks. As far as I can tell, each block is identical except for the name of a procedure defined in it. When I go into Block A and select Format/Collapse Document Block, the procedure does not disappear. When I go into block B, it does. I'd appreciate it if someone could tell me why the difference. -Thanks View on MapleNet or Download 2292_Georgework
In the file I just uploaded,, the final statement is a text statement which has had two matrices copied into it. These matrices were copied from the output of equation 3). Is there any way I could make this 'live'. In other words, is there any way I could make it so that the matrices displayed in the last statement would change if the output of statement 3 changed? Also, I was forced to put the statements about the ZZZ matrices at the bottom of the worksheet because when you click the T (text) button, a new document block is always created at the bottom of the file. If I had wanted to put the statement about the ZZZ matrices right under equation 3), is there a way to have done this?
hi; using the animate3d command i would like to create a kind of reference plain, i.e. i would like to insert a plain at a certain value to figure out at which "point" the animated surface cuts through this reference plain. it should look like the static version shown in the linked worksheet: View 1682_cp on MapleNet or Download 1682_cp
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Hi friends, In my maple procedure I m calculating large amount of point then I m plotting them. Although I don’t know how many points will be calculated, I have a logical upper bound for number of points. I was using the method 1: for i from 1 to N do if something is okey then x := ... y := ... data := [op(data), [x,y]]: end if; od: but I have relalized that this is really slow. Then I started to use Method 2: data := array(1..N): j := 0; for i from 1 to N do if something is okey then x := ... y := ... j := j + 1; data[j] := [x,y]:
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