People:

I wrote a Maple 15 worksheet containing a function that calls two other functions defined earlier in the worksheet. The main function didn't work, so I replaced one of the functions that was called, by cut-and-pasting its definition into the main function. This is obviously inconvenient because I want to alter the function that I cut-and -pasted and whenever I do it I will have to cut-and-paste again. It also detracts from the...

Hi,

is the series expansion for the following expression bugged in maple or am I missing some crucial thing of series?

series((1/epsilon-log(4)),epsilon=0);

results in epsilon^-1 -2 -2*ln(2)

for xmaple 16.01. The console version does not add the wrong term "-2".

Apparently it works here:

Hello,

I just lost the result of a 20h calculation due to the last-name evaluation using tables. Consider that

t := table([1=2]):

s := t:

save s, "table":

restart:

read "table":

s[1];

evaluates to t[1]. The save command only...

The version 16 of Maple does not know the function "pow", it is replaced by "power". Nevertheless, the codegen[optimize] procedure still generates it! Moreower, it's not optimal even to write poser(..., 1/2) as, most probably, the function sqrt must run faster.

Here's an example: (the function being optimized just contains some nested square roots)

> iang10 := [codegen[optimize](Re(int11), tryhard)];[ 2 t17

I'm having an issue with the implicitplot3d command in Maple 16. The sequence of commands I've listed below works just fine in Maple 15, but in Maple 16 I'm getting a problem. Sometimes no graph will display; other times, Maple may initially graph the surface correctly, but as soon as I rotate the graph, the surface disappears. Furthermore, the following strange things happen:

1) Re-executing the command after rotating does not redraw the image ...

While substituting expressions for θ(t),θ'(t),θ''(t) with some rather simple polynoms (see attached demonstration), the result icludes terms such as "·^{2}" or "θ1·" (see terms multiplying ε^{8} and ε^{7}in result for C1). It seems MAPLE treates the "·" sign as a variable/constant instead of as an operator. What am I doing wrong?

I installed M16 32 Bit on my new machine with Win7 64 Bit.But the following results in crushing mserver.exe: tmp := proc( x :: float ) :: float; 2.3 * x end proc: cp:=Compiler:-Compile(tmp);with system info below. Do I have to set certain rights for the compiler or define a specific working directory?The FAQ http://www.maplesoft.com/support/faqs/results.aspx?search=compiler does not help me.Dito http://www.maplesoft...

The plot is fine until specifying the upper limit too high at which point the lower limit on the x axis is ignored from view. Works on Maple 12, does not in Maple 16.

I have trouble with Maple's add-function. It is usually very good at manipulating my sums using Binomial coefficients, but Maple calculates outright wrong in this example, when using the sum-function:

http://dl.dropbox.com/u/22027008/maplePlay.mw

I would like to use Maple's features for reasoning about expressions (solve etc.), so the numerical add is not desirable. What to do?

It is the first time I post a Maple bug in MaplePrimes because I use to submit an SCR.There is a serious reason to do so. Let us look at the output of > with(plots):> implicitplot(sqrt(x^2+y^2)-sqrt((x-4)^2+(y-3)^2) = 5, x = -20 .. 20, y = -20 .. 20, numpoints = 10^6, thickness = 5, scaling = constrained);(both in Maple 13 and in Maple 16)

There is a flaw (bug) in the DEplot routine. If you load the plottools package before using DEplot with the arrows=line option, the DEplot routine tries to use the line definition from the plottools package. A worksheet illustrating this problem is below.

I tried to use multiple light sources with transparency for 3D plots and could not get it to work. There are indications in the plot,structure help that this is supposed to be possible. I have attached a worksheet that demonstrates some of the problems with the "light" and "LIGHT" options for 3D plotting. Much of the output has been removed since the graphics take so much space. The same plots are generated in both Windows and Linux.

Does anyone...

When using "plotsetup(png,...)" the third rotational angle is ignored. Attached are a worksheet and the corresponding three plots that demonstrate this bug.

I am experiencing wrong results using the PolynomialIdeals package in Maple 16 (see radical_error.mw). Creating the same ideal with different generators, the radicals computed differ which of course is wrong:

with(PolynomialIdeals);J := <t*(a+A), A*(b+B+t), b*(a+A), B*a-A*(b+t), (variables = {A, B, a, b, t})>:J2 := <t*(a+A), A*(b+B+t), b*(a+A), B*(a+A...

good say !

I want for my work to calculate the International Equation of State of Seawater

but when i enter my fonction in mapple: it is like mapple don't recognise the second variable s: >t:= -> t;s:= -> s;

> g :=(t, s)-> 999,842594+6,793952*10^(-2)*t-9, 95290*10^(-3)*t^2+1, 1685*10^(-4)*t^3-1, 120083*10^(-6...

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