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...

I noticed the following behaviour in Maple 16:

x1 := (a)^(b):eval(x1,[a=103/100]):evalf[3](%); b 1.03

Dear Maple Users

I have been testing Maple 16 for some time now, and I am overall very pleased with it. There is however one issue, which is really annoying. In previous version of Maple, images inserted into Maple and plots were printed much bigger than they looked like in the Worksheet. Then me and other users have requested to have the printed output look more like it does in the Worksheet on the computerscreen. Maple has adressed those user complaints in the new...

Maple 16 introduced dramatic changes to the postscript export facility of 3d plots. This is great news, but some bugs remain. Let me report here about my experience. (Note: Maple 15's 3d ps export was something like an encapsulated bmp, while Maple 16 is a genuine level3 postscript export tool)

The initial release in Maple 16.00 was buggy. In my experience, the export would hang most of the time. An improved release came with Maple 16.01. I have not experienced any...

Which library is this hflogb implemented in? I could not find it in either libc or libm.

What is the exact name of the function that has been changed in 64bit distributions?

(Knowing this, there would be an easy fix. Even now, one can run older maple on newer linuxen: simply copy the old system libs (from /lib/x86_64-linux-gnu and /usr/lib/x86_64-linux-gnu to a library under the maple install dir and tweak LD_LIBRARY_PATH in the maple wrapper script), but identifying...

plot3d(sin(sqrt(x^2+y^2))/sqrt(x^2+y^2),x=-3..3,y=-3..3);

the command above makes a figure which has a hole(means discontinuity) at the (0,0).

is it a bug?

athlon 4400+,2GB RAM,win xp 32.

I think I have come across with what it looks like a very basic bug using the member function. I get the error message: "Error, cannot determine if this expression is true or false: (3) < 100" after the execution of the last line to the next code:

>Test:=Array(1..3,[1,2,3]);>member(3,Test,'l');>if l<100 then print("yes"); end if;

am I doing something wrong ?? I even checked the type of the variable 'l' and it is indeed an integer...

Hi! I'm running Maple 15.01 64Bit on my Xubuntu 12.04.

I also got Maple 15 installed on my Windows7 64Bit computer to verify the results.

So let's see what is going wrong:

What does work?

int(x^n, x);

Gives me on both machines the correct result:

The basic plot routine in Maple 16 has a serious problem with the domain. The following is an example.

The domain is correct in Maple 15. This failure occurs in both Windows 7 and Linux.

I have been generating graphics in Maple 16 using the plotsetup(ps,...) command under Windows 7 and Linux. Maple tech support has a fix for Linux and has confirmed that there is a bug in the Windows version. These are a Windows eps (converted to png for uploading) and png of the same figure. The eps conversion should not do this.

The Export function in ExcelTools completely overwrites Excel 2010 ".xlsx" files with no errors or messages. The same command works properly for Excel 2003 ".xls" files. It looks like a bug to me.

HiI run Maple 15 on an Acer laptop with Windows 7 and have the following problem:When my Maple documents become "too" long, some of the vectors I have created seem to become tables instead (without me doing anything) rendering vector multiplications and additions/subtractions impossible (they'll throw an error; something like it not being possible to multiply a vector and a table. As if one of the vectors in my multiplication has become a table). Should it...

A common example to emphasize that it is not OK to bring absolute values inside the integral compares

abs( int( cos(n*x), x=0..Pi ) ) asuming n::integer

and

int( abs( cos(n*x) ), x=0..Pi ) assuming n::integer

Maple correctly formulates the first to 0. But the second expression gives it more trouble, returning two messages:

Warning, unable to determine if (1/2)*Pi*(1+2*_Z7)/n is between 0 and Pi; try to use assumptions or use the AllSolutions optionWarning, unable to determine if (1/2)*Pi*(1+2*_Z8)/n is between 0 and Pi; try to use assumptions or use the AllSolutions option

I think I have found a subtle bug in my Maple 9.If I execute the following code:### B:=[ 3.5, 0.0001, 73.45]; A:=[[seq(1/op(j,B), j=1..3)]]; writedata("a.txt",A);###the output file a.txt contains the line0.2857142857 1 0.01361470388(beware: maple has written "1" instead than "10000"!)Questions:1) is this bug already known? Is there a patch?2) does it affect newer versions of Maple?

I have come across this previously but I never had the energy to report it. The problem is that there exist a bug in Vector[row] when n>10. For example run the below code:restart: with(LinearAlgebra): a1 := Vector[row]([seq(w[i], i = 1 .. 5)]);a2 := Vector[column]([seq(w[i], i = 1 .. 5)]);a3 := Vector[row]([seq(w[i], i = 1 .. 20)]);a4 := Vector[column]([seq(w[i], i = 1 .. 20)]);a1.a2; a3.a4; ...

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