Re: [sage-support] power function with runtime error

2010-04-25 Thread Robert Bradshaw
On Apr 23, 2010, at 1:37 AM, bb wrote: Mike Hansen schrieb: On Mon, Apr 19, 2010 at 11:52 AM, bb bblo...@arcor.de wrote: I get a runtime error, but just would expect infinity! Is there something wrong or any explanation? This is because when you do 2^3^4^5 you are computing that number

Re: [sage-support] Load data from from other worksheet

2010-04-25 Thread Robert Bradshaw
On Apr 21, 2010, at 4:52 PM, Michael Rybalkin wrote: I have installed local Sage server. I need some kind of workspace with multiple worksheets and common data storage while working via web interface. What can you recommend in this case? There aren't currently any good solutions to this

[sage-support] Re: loading a PARI script into SAGE

2010-04-25 Thread Alex P
Actually it does not seem to work, I get -- | Sage Version 4.3.4, Release Date: 2010-03-19 | | Type notebook() for the GUI, and license() for information.|

Re: [sage-support] Re: loading a PARI script into SAGE

2010-04-25 Thread Robert Bradshaw
On Apr 24, 2010, at 11:32 PM, Alex P wrote: Actually it does not seem to work, I get -- | Sage Version 4.3.4, Release Date: 2010-03-19 | | Type notebook() for the GUI, and license() for information.

Re: [sage-support] Large monomial exponents

2010-04-25 Thread William Stein
On Sat, Apr 24, 2010 at 10:22 PM, Robert Bradshaw rober...@math.washington.edu wrote: On Apr 24, 2010, at 5:36 PM, Michael Rybalkin wrote: How to get monomial with large exponent in the polynomial rings? For example I hsave polynomial ring over large finite field: p = next_prime(10^20) R.x

[sage-support] Polynomial Independence

2010-04-25 Thread Santanu Sarkar
Hi, Suppose f1, f2,,f10 are polynomials over 20 variables over integers. How one can check weather they are linearly independent or not in Sage? -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to

Re: [sage-support] Re: Polynomial Independence

2010-04-25 Thread Santanu Sarkar
Hi, No, my polynomials are not homogeneous and are of different degree. Suppose: R.x1,x2,x3=ZZ[] f1=1+x1+x2+x1*x2 f2=1+x1+x3+x1*x3 I want to find linear dependence of the set polynomials {f1,f2,f1*f2, x1*f2,x2*f2} With regards, Santanu On 25 April 2010 15:33, Simon King

[sage-support] Re: Polynomial Independence

2010-04-25 Thread Simon King
Hi! On 25 Apr., 12:26, Santanu Sarkar sarkar.santanu@gmail.com wrote: I want to find linear dependence of the set polynomials {f1,f2,f1*f2, x1*f2,x2*f2} 'Linear over ZZ' or 'linear over R'? If it is the latter, the following might help (but is only implemented if you have polynomials over

[sage-support] Re: Polynomial Independence

2010-04-25 Thread Simon King
On 25 Apr., 12:50, Santanu Sarkar sarkar.santanu@gmail.com wrote: Sorry again. Dependency needs over integer. Probably there is a better way of doing it, but the following works: Transform the problem into a matrix: One row for each polynomial, one column for each monomial that occurs in

Re: [sage-support] Re: Polynomial Independence

2010-04-25 Thread Santanu Sarkar
Thank you very much for your kind help. On 25 April 2010 17:00, Simon King simon.k...@nuigalway.ie wrote: On 25 Apr., 12:50, Santanu Sarkar sarkar.santanu@gmail.com wrote: Sorry again. Dependency needs over integer. Probably there is a better way of doing it, but the following works:

[sage-support] Table of operator precedence incomplete

2010-04-25 Thread bb
operator precedence sage: 3==3+1 False Correct, because concerning to the perecedence list on http://www.sagemath.org/doc/tutorial/appendix.html + has a higher precedence than ==. The text says, that the table is based on the table in § 5.14 of the /Python Language Reference Manual/, but

Re: [sage-support] Growth potential for open source math tools: 10 questions

2010-04-25 Thread William Stein
Spammer? Should we block this guy? On Sunday, April 25, 2010, martin...@gmail.com wrote: Is there an need for more open source math tools in for-profit companies? If so, would targeted training and support help meet this need while benefiting the open source

Re: [sage-support] Growth potential for open source math tools: 10 questions

2010-04-25 Thread David Joyner
On Sun, Apr 25, 2010 at 5:53 PM, William Stein wst...@gmail.com wrote: Spammer?  Should we block this guy? I banned him. He did mention R and octave in his link but not Sage. Legit surveys usually give a lengthy explanation about how the info will be used etc. This one did not. On Sunday,