ASKSAGE: Sage Q&A Forum - RSS feedhttps://ask.sagemath.org/questions/Q&A Forum for SageenCopyright Sage, 2010. Some rights reserved under creative commons license.Fri, 30 Mar 2018 13:30:59 +0200SageMath giving NameError on predefined functionshttps://ask.sagemath.org/question/41825/sagemath-giving-nameerror-on-predefined-functions/ I am following **Abstract Algebra an Interactive Approach** by *William Paulsen* but some of the functions in the first chapter itself, like `ShowTerry()`, `ItitTerry()`, `MultTable()` etc are giving `NameError`. Same is the case with most of the functions in the preliminaries chapter like `ShowRationals()`, `PowerMod()` <br/> I'm not really sure how to go about it. I even tried installing sage from Source Code but the problem persists. Do I have to install some separate group theory package or am I missing something here?Thu, 29 Mar 2018 19:43:15 +0200https://ask.sagemath.org/question/41825/sagemath-giving-nameerror-on-predefined-functions/Answer by slelievre for <p>I am following <strong>Abstract Algebra an Interactive Approach</strong> by <em>William Paulsen</em> but some of the functions in the first chapter itself, like <code>ShowTerry()</code>, <code>ItitTerry()</code>, <code>MultTable()</code> etc are giving <code>NameError</code>. Same is the case with most of the functions in the preliminaries chapter like <code>ShowRationals()</code>, <code>PowerMod()</code> <br> I'm not really sure how to go about it. I even tried installing sage from Source Code but the problem persists. Do I have to install some separate group theory package or am I missing something here?</p>
https://ask.sagemath.org/question/41825/sagemath-giving-nameerror-on-predefined-functions/?answer=41833#post-id-41833These functions are not part of SageMath itself. They are functions defined by the book's author.
I have not seen the book, but maybe the function definitions are given in the book,
and can be copied from there.
It is also possible that you can get them from the book's courseware, on the author's webpage:
- [http://myweb.astate.edu/wpaulsen/algebra.html](http://myweb.astate.edu/wpaulsen/algebra.html)Fri, 30 Mar 2018 13:30:59 +0200https://ask.sagemath.org/question/41825/sagemath-giving-nameerror-on-predefined-functions/?answer=41833#post-id-41833