MaplePrimes Questions

The omexample.c file for calling Maple from C has no make file.

The READEME.txt file in the directory containing omexample.c suggests: "Refer to ?OpenMaple,Examples"

The result of  "?OpenMaple,Examples" does not seem to explicitly specify the required magic to make things work...  Following what appears to be intimated, I typed (to bash):

export MAPLE=/home/dpaddy/bin/maple12

export LD_LIBRARY_PATH=$MAPLE/bin.X86_64_LINUX

In plotting two functions on the same plot, is it possible to specify two domains, one for each function?

Alla

For the commands  Digits:=20;  identify(evalf(k/Pi^4));

I get the closed form result with k=105 but not with k=104 or k=106.  I have tried to understand this behavior from looking at the identify help page but haven't figured it out.

Hi all

I'm using the SOLVE (Maple11) function to solve inequalities: solve({f_1(x,y,z)=0, f_2(x,y,z)>=0, f_2(x,y,z)<=1, f_3(x,y,z)>=0, f_3(x,y,z)<=1}, z);

Thus, I have 3 equations with 3 variables (x,y,z) and I have 5 constraints (4 inequalities and 1 equality).

Maple gives me the following result:

A piecewise function where the components are a plane equation in regarding the 5 constraints and no solution otherwise. (See the picture)

The command collect( u*(u[t]+1), [u, u[t]], distributed); is not giving me the expected result u+u[t]*u but the error message Error, (in collect/series) invalid expression for series

hi all,

 is it possible to convert tree-expression to numeral expresion using Maple?

i have tree expression and i wanna convert it to numeral expression. for simple example, i have this tree expression:

/ ( * (x1,x1) , + (x1,x1) )

then i wanna get this numeral expression:

x1*x1 / x1+x1

 

what should i do? thanks....

I'm using Maple V R4 for OS/2 (the last version available for OS/2), and have two software questions:

- How do I change the font used in the math expression bar?
In the present font, which is fixed width, the parentheses
and bracket symbols, () and [], are almost indistinguish-
able. I'd like to use another fixed-width font that does
not have this problem.

- There seems to be a limit to the number of characters that
the expression bar will hold, limiting the size of the ex-
pression appearing in a text setting. Is there a way to
increase this limit?

Thanks.

After reading help file on product command (Maple 12), I put in the command product(1+1/ithprime(k)^4, k=1..infinity); expecting to see the symbolic result 105/pi^4.  Instead I got back the product unevaluated.  Have I misunderstood what the product command is supposed to do?

Hi everybody

 

Hi everybody

 

p.276 from the advanced programming guide: example 2 line 11

> r := z = -3 .. 3;

                              r := z = -3 .. 3
> minz:=lhs('if'(r::range,r,rhs(r)));

Error, unable to match delimiters

I encounter a similar  problem of parsing once:
 

 

I thought before that &where is not  a keyword, but I don't understand the difference here (I found &where in the solutions of pdes):

restart;
f1:=a &where b;
op(2,f1);

it gives me {b}

f2:=a &something b;
op(2,f2);
 

gives me simply b

I don't find any information on &where in the help.

 

 

 

 

 

 

 

 

Hi all..

After i evaluated an answer using matrices..the resulting answer is stored in a Matrix..but im not able to see the anwers instead it displays...11 x 1 Matrix...DataType:anything....storage: Rectangular..Order: Fortran Order...wat to do to make the results display?

thanks.

I’m using maple 11. In my problem, I’ve five axioms: 

I have tried unsuccessfully to follow the help but cannot figure it out.

I am using Maple 12 Standard with Windows XP.   I found the palette "Diacritical Marks" so I can make an umlaut and a u. I have tried various combinations of Crtl+R, Crtl + Shift, Ctrl + Alt  +O but wasn't able to find the right combination.  Could someone please tell me the right key stroke sequence.  I can manage to get the umlaut over the u, but it is too high up. :-(

Thanks,

Edwin

 

Is there a way to generate a parametric curve that includes the orientation?  i.e. an arrow or series of arrows?

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