how to make below can be successfully run?

normaldiff := proc(f1)
return limit((subs(x=x+h,f1)-f1)/h, h=0):
end if:
recurdiff := proc(f2)
if f2 = 0 then
return 0:
end if:
if f2 <> 0 then
return limit((subs(x=x+h,normaldiff(f2)+recurdiff(f2))-(normaldiff(f2)+recurdiff(f2)))/h, h=0):
end if:

f := x;
normaldiff(f)+recurdiff(f);

expect return 1, is like normal diff

Why maple reorders expressions when they are exported in LaTeX? For long expressions this is very anoying!

Thank you

Hello

Previously today I had to do some chemistry assignments, which I did in maple, my long time favorite for such assignments.

However I have now encountered a severe problem. I cannot open my worksheet file, .mw. When I try to open it, it asks me whether to open the file as maple text, plain text or maple input??? 

Whatever one I choose, it either opens a blank page in maple, or maple just crashes.

The file in question should be attached. If you can open it, don't mind the language, it is danish

Any help will be greatly appreciated, best regards, Jens

Maple Worksheet - Error

Failed to load the worksheet /maplenet/convert/Opgaver_fra_bog.mw .

Download Opgaver_fra_bog.mw

Hello everyone. I have a few questions. For example, a tensor 1 and 2 ranks in some coordinate system. It is understood the equivalence 1 rank tensor and a vector. How to determine the flow and the divergence of the tensor. Maple is already in the package VectorCalculus command flux and divergence, as in the subpacket Vectors Physics package has a command divergence. But what about the tensors 2 and higher ranks? Is it possible to do these things a uniform manner? Under flow tensor mean surface integral of the scalar multiplication of the tensor of the 2nd rank in the normal vector, followed by contraction. My sketches in the attached file.

Flux_tensor_field.mw

Completely new to maple. Not even sure where to start with this. Can't get the Simpson's or Trapezoidal Rule to work for me. Any help would be much appreciated

and

and

Here is a serious achievement of the Roots command:

Student[Calculus1]:-Roots(2^x+3^x+6^x-x^2);

                              [-1]

plot(2^x+3^x+6^x-x^2, x = -6 .. 2, gridlines = false);





Download Roots.mw

The solve command also does the job here:

sol := solve(2^x+3^x+6^x-x^2);

allvalues(sol);


evalf(%):

The RealDomain:-solve command fails here.

I wonder how Maple solves it. It would be kind of Maple developers and experts to explain that.

PS. I tried printlevel:=10, but understood the output a little.

Hi, i got a litlle problem with fromats, i m realy bad at this.
i got procedure 'getone(z::list)' i was execute it like this  
>getone([seq(lineP[i], i = 1 .. pm)]::list)
where lineP is 

>pm := 3;
>rollx := rand(98.0 .. 102.0); rolly := rand(-1.0 .. 5);
>rolll := rand(.5 .. 1.0); rollf := rand(0. .. evalf(2*Pi));
>rollm := rand(0. .. 20.0);

>for i to pm do lineP[i] := [rollx(), rolly(), rolll(), rollf(), rollm()] end do;

it's pm times of z:=[rollx(), rolly(), rolll(), rollf(), rollm()] ::list

and i need make optimization work for any pm=1..100; with rabdomly generated iteration point as above.

The main queston is how make minimize as below
Minimize(z,variables=[z],   initialpoint={z=[seq(lineP[i], i = 1 .. pm)]},iterationlimit=1000,optimalitytolerance=0.01)

work with z::list kind of 

[[100.7798614, 1.109653266, 0.9840371500, 4.257816686, 9.737110573][100.0135459, 0.887539481, 0.9144164697, 3.980093624, 7.343851161][100.0661308, 3.724268229, 0.5020544909, 2.052134822, 14.37408543]]

I find fsolve() to be curiously unstable. Some of the behaviour I can guess at, but other parts are not as clear.

Define a function.

P := x->fsolve(exp(-(1/100)*t^2)*cos(2*t),t=x):

plot(P,4..5,smartview=false);

I'm begginer in maple so I have many questions

I have 

f1 := [x2^3-3*x1+x2, -x2-x3+u, x2-2*x3]

I want to put 

x1=2*x1

x2=2*x2

x3=5*x3

and I wand it in loop

for x4,...xn

so that f1 will be a vector

I set up a worksheet with embedded components in Maple 18. I am now trying to use the worksheet with Maple 2015. The GetProperty( ) procedure in DocumentTools cannot find a number of kinds of the embedded components (perhaps all kinds).

Why would this happen, and how can I fix it?

I have few packages downloaded from following link:

http://cpc.cs.qub.ac.uk/

Following are packages that I need to install on Maple:

Rif: For differential elimination.

GeM: For computing symmetries and conservation laws for nonlinear PDEs.

wkptest: For symbolic computation of Painleve test for nonlinear PDEs.

My problem is to install these packages onto Maple, but I do not know how to do this. For example, the package Rif contains file like maple.hdb, maple.ind, maple.lib, but I do not know what to do with these files. I shall be grateful to auduience of Mapleprime if somebody can help me on this.

I would have love to attach a document because I try pasting it but it is not allowed I want to integrate something of this nature;... I don't even get how to write anything here maybe because am using a phone.53e77f9f0cf21cc29fd9d4e8.pdf 

This is the paper i'm working on,

1) I couldn't get 11a and 11b on page 1918.

2) I don't know how to integrate 13b to 13e. Please somebody help my career I will never forget it.

My e-mail is foyt22@gmail.com

Hello

I have a simple list:

xlist := [150, 250, 500, 800, 1300, 2500, 5000]:

ylist := [.3, .5, .8, 1.0, 1.2, 1.4, 1.6]:

where after i said x:=plot(xlist,ylist);

What I want to do is ask maple" At what x value does the graph intersect with 1.5 on the y axis" or "at what y value does the graph intersect with 3000 on the x axis". 

The data points are just that, I've been looking for commands to ask these questions but have been without luck. You don't need to give me the answer if you can point me to somewhere where this information is written, that would be very helpful!

Thank you.

first_order_error.mw

hi.please see attached file and explain how i remove error

thanks alot