## 962 Reputation

16 years, 196 days
University of Kent
Dr

## show as Diff and then diff...

Maple 17

Hi,

How would I ask Maple to display a expression and then evaluate it?

For example

Diff(5,x)=value(Diff(5,x));

or

Diff(5,x)=diff(5,x);

But do I really have to copy the lhs to do rhs every time?

Any simpler way?

PS: I am using 1-D input and I'd like to keep it that way.

## More on complicated substitution with su...

Maple 17

Hi,

Following the question here,

http://www.mapleprimes.com/questions/150429-Solving-High-Order-Polynomials-with-Summation#comment150438

I now have more complicated substitution to do. Hopefully Maple can achieve it.

"kappa" is a complicated expression.

sstest(4,2) give a reparameterisation using 11 terms, s1 to s11.

## (smallest) integer solve for inequality...

Maple 17

Hi all,

C:=2:

solve({K*(K-1)>6*C-2,K>0},K,useassumptions) assuming K::point;

It does not exacly give me 'integer'.

for C from 2 to 10 do

isolve({K*(K-1)>6*C-2,K>0},a);

end do;

gives me pretty much what I am expected to see. The positive smallest (ceiling) numbers, 4,5,6,6,7,7,8,8,9.

Is there a way to obtain a "neater" output?

Say I just want a sequence (list) of 4,5,6,6,7,7,8,8,9.

## Kernel connection lost in Linux X64 but ...

Maple 17

Hi,

I have always been experiencing problems using a university server. It runs Red Hat 6.4 (Santiago) and Maple 17 X64.

The problem never occurs on Windows 7 SP1 X64 with Maple 17 X64.

Only reason I want to use the university machines is that it's "faster".

## NullSpace slow and (unable to calculate)...

Maple 17

Hi,

I am having some problems when solving NullSpace when the matrix is somewhat 'complicated'.

Maple seems not able to find the nullspace.

Any hints or possible workaround?

Casper

nullspa.mw

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