Sorry, I have no idea.
John
2008/9/7 Rolandb <[EMAIL PROTECTED]>:
>
> Hi. Is that the reason for the following behaevior:
>
> sage: var('a,b')
> sage: print repr(simplify(function('(a)^(a+b)')))
> sage: print repr(simplify(function('a%(a+b)')))
> sage: #print repr(simplify(function('(a)%(a+b)'))) gives
> enless loop !!!
> a^(b + a)
> a(b + a) !!! Suddenly % gone
>
> Roland
>
> On 7 sep, 12:33, "John Cremona" <[EMAIL PROTECTED]> wrote:
>> The symbolic ring is not the most obvious place to do arithmetic
>> operations such as reducing one thing modulo another: that's a job for
>> a polynomial ring:
>>
>> sage: R.<x,y>=QQ[]
>> sage: x%y
>> x
>> sage: y%x
>> y
>> sage: def proc(a,b): return a%b
>> ....:
>> sage: proc(x,y)
>> x
>> sage: proc(y,x)
>> y
>>
>> John
>>
>> 2008/9/7 Rolandb <[EMAIL PROTECTED]>:
>>
>>
>>
>> > Hi. I want to use x%y for two variables x,y. This doesn't work as the
>> > following example shows:
>>
>> > sage: var('x,y')
>> > sage: def proc(a,b): return a%b
>> > sage: print proc(6,3)
>> > sage: print proc(x,y)
>>
>> > 0
>> > Traceback (most recent call last):
>> > File "<stdin>", line 1, in <module>
>> > File "/home/notebook/sage_notebook/worksheets/admin/38/code/13.py",
>> > line 9, in <module>
>> > exec compile(ur'print proc(x,y)' + '\n', '', 'single')
>> > File "/usr/local/sage/local/lib/python2.5/site-packages/sympy/
>> > plotting/", line 1, in <module>
>>
>> > File "/home/notebook/sage_notebook/worksheets/admin/38/code/13.py",
>> > line 7, in proc
>> > def proc(a,b): return a%b
>> > TypeError: unsupported operand type(s) for %: 'SymbolicVariable' and
>> > 'SymbolicVariable'
>>
>> > What to do? Roland
> >
>
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