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2018-05-24 20:09:45 -0600 | commented question | sagews vs jupyter notebook, and choices of kernels Thanks -- the point about one technology for my students is a good one. |
2018-05-22 12:39:58 -0600 | asked a question | sagews vs jupyter notebook, and choices of kernels I'm making a few notebooks for educational use and I'm looking for guidance as to what I should be using: a sage worksheet running Jupyter, or a Jupyter notebook. For the most part, I want users to be able to run existing Python programs. (I also want them to run some Haskell programs, and for this, the choice is clearer: I want the Jupyter notebook because I can set the mode to Haskell.) I don't see anything here that offers comparisons, and so here are some of the issues on my mind. I find the Jupyter notebook cell system more to my liking than a sagews. I believe that users would also, but I have no real experience with that. I think there's more documentation here for the sagews (right?), but there's more out there on the Jupyter notebook. I'd like some support for simple tables containing text and numbers; nothing fancier. Is there a difference there? A final issue: is there any difference in terms of displaying html, either in the application itself or in separate windows? And on a related point: what is the difference between a sagews set up to run a Jupyter kernel via py3 = jupyter("python3") and one via a3 = jupyter("anaconda3") Is this an orthogonal issue, or is it related to my overall question? |
2018-05-10 21:50:05 -0600 | asked a question | default permission settings in cells In the Edit menu, I see options "Toggle write protection" and "Toggle delete protection". Is there a way to make the locked versions the default? I am preparing notebooks for others to use, and so I'd like most of the cells to be locked for for deletion and over-writing. I figure that there's a configuration file for cells somewhere, but I don't know where it is. |
2018-05-10 21:45:10 -0600 | asked a question | cell protection by default On the pulldown Edit menu, I see 'Toggle write protection' and 'Toggle delete protection'. Is there a way to make the locked option the default, so that the toggling only needs to be done to permit writing or deleting? The reason I ask is that I'm preparing a notebook for others to use, so I want most of the cells to be locked both ways. I figure there's a default configuration setting, but I don't know where it would be. |
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2014-10-01 08:44:11 -0600 | commented answer | Another problem with 'var' in cloud.sagemath Thanks! But did you fix a bug in my code or in sage? If the bug is with me, I should know so this doesn't happen again. After all, *you* are the one with psychic abilities; I have none. Thanks again -- Larry |
2014-09-29 14:16:35 -0600 | asked a question | Another problem with 'var' in cloud.sagemath I have some code that does fine on my local machine, and it used to work on cloud.sagemath, but currently it gives an error. The error is listed below. I believe that it has to do with the declaration of variables at the top of my worksheet. But again, copying this to my local installation doesn't give the error. Thanks! |
2014-09-02 21:56:52 -0600 | commented answer | satisfying assignments Thanks very much! |
2014-09-02 13:22:13 -0600 | asked a question | satisfying assignments sage.logic.propcalc allows one to see if a sentence in propositional logic is satisfiable. The documentation has Is there a syntax that would give a satisfying assignment? I'd like something like The documentation doesn't give the syntax, but I'm betting it's there somewhere. |
2014-02-13 14:22:17 -0600 | commented question | 'new worksheet' on notebook server I think I've had this problem both ways. I just tried it again, and so here's what happened exactly. I was working on http://www.sagenb.org/home/Larry_Moss/3/#, I asked for a new worksheet, and I got http://www.sagenb.org/home/Larry_Moss/9/, but with the option to change then name from 'untitled'. There doesn't seem to be a way for me now to get an absolutely new worksheet. |
2014-02-13 02:29:27 -0600 | asked a question | 'new worksheet' on notebook server I'm using the sagenb server, and when I ask for a New Worksheet, here's what happens: The last worksheet I've used appears, not a new one, and then I'm offered a chance to change its name. Is there a bug somewhere, either with me or the server? |
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2014-01-27 08:19:38 -0600 | commented answer | as of January/February 2014, what's the best way to share worksheets with a class? Thanks. When you email, do you also need to give any special instructions on what to do with the sws file? |
2014-01-27 07:28:10 -0600 | asked a question | as of January/February 2014, what's the best way to share worksheets with a class? I have a worksheet that I'd like to share with a class, so that they can do some further calculations with what I did. I'm wondering what the best way to do that is. I know that if I 'publish' it, nothing really happens, since this kind of sharing is currently enabled. It's too late for me to arrange a server here for this semester. Do I have any good options? |
2013-12-29 05:02:55 -0600 | asked a question | preorders and posets I am looking for a module having to do with preorders (sets with reflexive and transitive relations, also called quasi-orders). I'd like to use a few of the poset methods on preorders, but this doesn't seem to work. That is, I get Traceback (click to the left of this block for traceback) ... ValueError: Hasse diagram contains cycles. I figure that either there is a way to indirectly use the poset methods on preorders more generally, or else someone has implemented the quotient operation. (This turns a preorder (A,\leq) into a poset by taking the quotient under the equivalence relation \equiv on A by a \equiv b iff a \leq b and b \leq a. |