Kay Schluehr wrote:
> Ron Adam wrote:
>
>> Kay Schluehr wrote:
>> BTW.. Usually when people say "I don't want to discourage...", They
>> really want or mean the exact oppisite.
>
> Yes, but taken some renitence into account they will provoke the
> opposite. Old game theoretic wisdoms ;)
True.
Ron Adam wrote:
> Kay Schluehr wrote:
>
>
> > Hi Ron,
> >
> > I really don't want to discourage you in doing your own CAS but the
> > stuff I'm working on is already a bit more advanced than my
> > mono-operational multiplicative algebra ;)
>
> I figured it was, but you offered a puzzle:
>
>"He
Kay Schluehr wrote:
> Hi Ron,
>
> I really don't want to discourage you in doing your own CAS but the
> stuff I'm working on is already a bit more advanced than my
> mono-operational multiplicative algebra ;)
I figured it was, but you offered a puzzle:
"Here might be an interesting puzzle f
Diez B.Roggisch wrote:
> > I have to admit that I don't understand what you mean with the
> > 'constant parts' of an expression?
>
> >From what I percieved of your example it seemed to me that you wanted to
> evaluate the constants like 7*9 first, so that an expression like
>
> a * 7 * 9 * b
>
> wi
Ron Adam wrote:
> Kay Schluehr wrote:
> > Here might be an interesting puzzle for people who like sorting
> > algorithms ( and no I'm not a student anymore and the problem is not a
> > students 'homework' but a particular question associated with a
> > computer algebra system in Python I'm currentl
Kay Schluehr wrote:
> Here might be an interesting puzzle for people who like sorting
> algorithms ( and no I'm not a student anymore and the problem is not a
> students 'homework' but a particular question associated with a
> computer algebra system in Python I'm currently developing in my
> spare
I see, you're sensitive for the difficulties which might arise.
That's the thing I wanted to point out.
Maybe I was looking too far forward...
My first thought was to add attributes/qualifiers to the operands to improve
the sorting.
Then I realized that these attributes/qualifiers were related to
Bernhard Holzmayer schrieb:
> Kay Schluehr wrote:
>
> >
> > Now lets drop the assumption that a and b commute. More general: let be
> > M a set of expressions and X a subset of M where each element of X
> > commutes with each element of M: how can a product with factors in M be
> > evaluated/simpli
Kay Schluehr wrote:
>
> Ron Adam wrote:
>
>>Kay Schluehr wrote:
>>On a more general note, I think a constrained sort algorithm is a good
>>idea and may have more general uses as well.
>>
>>Something I was thinking of is a sort where instead of giving a
>>function, you give it a sort key list.
> I have to admit that I don't understand what you mean with the
> 'constant parts' of an expression?
>From what I percieved of your example it seemed to me that you wanted to
evaluate the constants like 7*9 first, so that an expression like
a * 7 * 9 * b
with variables a,b is evaluated like t
Kay Schluehr wrote:
>
> Now lets drop the assumption that a and b commute. More general: let be
> M a set of expressions and X a subset of M where each element of X
> commutes with each element of M: how can a product with factors in M be
> evaluated/simplified under the condition of additional i
Ron Adam wrote:
> Kay Schluehr wrote:
> > Here might be an interesting puzzle for people who like sorting
> > algorithms ( and no I'm not a student anymore and the problem is not a
> > students 'homework' but a particular question associated with a
> > computer algebra system in Python I'm curren
Diez B.Roggisch wrote:
> Kay Schluehr gmx.net> writes:
>
> > Now lets drop the assumption that a and b commute. More general: let be
> > M a set of expressions and X a subset of M where each element of X
> > commutes with each element of M: how can a product with factors in M be
> > evaluated/simp
Kay Schluehr gmx.net> writes:
> Now lets drop the assumption that a and b commute. More general: let be
> M a set of expressions and X a subset of M where each element of X
> commutes with each element of M: how can a product with factors in M be
> evaluated/simplified under the condition of addi
Kay Schluehr wrote:
> Here might be an interesting puzzle for people who like sorting
> algorithms ( and no I'm not a student anymore and the problem is not a
> students 'homework' but a particular question associated with a
> computer algebra system in Python I'm currently developing in my
> spare
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