2023-09-21 03:34:44 +0200 | commented question | How to use lift_x in python? Try E.lift_x(Integer(1)). The Sage type Integer is more fully-functioned than the Python type int. |

2023-09-19 18:57:13 +0200 | commented answer | How to plot the real line in SageMath As far as I understand, Sage renders LaTeX in the notebook using an installation of MathJax, and MathJax by default does |

2023-09-19 18:43:54 +0200 | commented answer | How to plot the real line in SageMath I think I have to join everyone else in being confused about what you're asking. Are you asking about embedding tikz in |

2023-09-18 22:52:06 +0200 | commented answer | How to plot the real line in SageMath I would also point out that tikz and latex are designed for presentation and so are good at certain things. Sage is inst |

2023-09-18 20:14:21 +0200 | answered a question | How to plot the real line in SageMath The first part is easy: beta = 1/50 P = line([(-0.5, 0), (0.5, 0)]) for i in range(-5, 6): P += point((beta + i/11 |

2023-09-17 01:58:56 +0200 | received badge | ● Nice Question (source) |

2023-09-17 01:58:33 +0200 | received badge | ● Popular Question (source) |

2023-09-13 19:50:10 +0200 | answered a question | how do I expand cos(n*theta) You could use the simplify_trig method: sage: var('theta') theta sage: cos(2*theta).simplify_trig() 2*cos(x)^2 - 1 sage |

2023-09-12 05:56:32 +0200 | edited question | How to plot curve projection? How to plot curve projection? I am newbie to sagemath tool and in the middle of leaning... I try to plot the projection |

2023-09-08 00:42:22 +0200 | edited question | sqrt integral not working sqrt integral not working I can't seem to integrate sqrt in SageMath - Jupyter cells in website CoCalc In: x1 = var('x |

2023-09-06 20:58:14 +0200 | commented question | Unexpected error with sign() function in SageMath I have an answer at https://stackoverflow.com/a/77054009/1401572. Also, I think this is a bug, and I've reported it at h |

2023-09-06 20:57:32 +0200 | commented question | Unexpected error with sign() function in SageMath I have an answer at https://stackoverflow.com/a/77054009/1401572. |

2023-09-02 17:52:59 +0200 | commented answer | Square roots of positive definite matrices I now see a problem. I interrupted the computation since it was taking so long, so I don't know if it ends in an error. |

2023-09-01 18:49:34 +0200 | edited answer | Square roots of positive definite matrices The method principal_square_root is present in Sage and seems to work (at a quick glance at the source code) the way you |

2023-09-01 03:40:05 +0200 | answered a question | Square roots of positive definite matrices The method principal_square_root is present in Sage and seems to work (at a quick glance at the source code) the way you |

2023-08-31 17:22:03 +0200 | commented question | Diagonalisability check Malfunctioning I will continue to take Sage's word for it, since your matrix is not in fact symmetric. (It would be if you changed the |

2023-08-31 17:21:07 +0200 | commented question | Diagonalisability check Malfunctioning I will continue to take Sage's word for it, since your matrix is not in fact symmetric. As the documentation for eigenma |

2023-08-31 04:14:36 +0200 | commented question | Diagonalisability check Malfunctioning In the last paragraph, what do you mean by D and P? They can't have been the values returned by A.diagonalization(), sin |

2023-08-31 04:14:03 +0200 | commented question | Diagonalisability check Malfunctioning Maybe this is a silly question, but why do you think that this matrix is diagonalizable? All of its eigenvalues are 2, a |

2023-08-31 01:52:00 +0200 | commented question | Using docbuild on an external package See https://github.com/sagemath/sage/issues/6389: I don't think this is supported, although it would be nice if it were. |

2023-08-26 00:26:26 +0200 | commented question | Jupyter in sagemath 10 Please provide details: what does "stopped working" mean? And how did you install SageMath? |

2023-08-26 00:26:11 +0200 | commented question | Jupyter in sagemath 10 Please provide details: what does "stopped working" mean? |

2023-08-24 23:08:10 +0200 | commented question | Specify Columns of Minors Using Sage Could you please expand? What is your input, what are you evaluating (I mean: what commands are you using), what is your |

2023-08-24 23:07:47 +0200 | commented question | Specify Columns of Minors Using Sage Could you please expand? What is your input, what are you evaluating, what is your output, and what is your desired outp |

2023-08-24 23:05:20 +0200 | commented question | "sage -i package_name" not working There may be more than one program called sage on your computer, and Terminal is finding the wrong one by default, one t |

2023-08-24 23:05:06 +0200 | commented question | "sage -i package_name" not working There may be more than one program called sage on your computer, and Terminal is finding the wrong one by default, one t |

2023-08-24 23:04:51 +0200 | commented question | "sage -i package_name" not working There may be more than one program called sage on your computer, and Terminal is finding the wrong one, one that expects |

2023-08-24 19:11:35 +0200 | commented question | "sage -i package_name" not working In the Terminal you may have to specify the path to the sage executable. (a) Where did you install SageMath? (b) In the |

2023-08-19 17:17:24 +0200 | commented question | Is it possible to find formula of the sequence? If you had many examples of A, B, C, or if you had more information about the type of formula, then someone might be abl |

2023-08-19 15:51:32 +0200 | received badge | ● Good Answer (source) |

2023-08-18 20:47:59 +0200 | commented answer | mutivariate polynomial with a single variable Hence the very first question I asked: "How are you defining your polynomials in the first place?" |

2023-08-18 19:08:11 +0200 | answered a question | mutivariate polynomial with a single variable Why not just start with R.<x,dummy> = QQ[] and then any polynomials you later construct in x are automatically |

2023-08-17 22:52:21 +0200 | received badge | ● Nice Answer (source) |

2023-08-17 21:46:49 +0200 | commented answer | Difficulty installing Sage-10.0 on Mac OS 12.6.8 'gmp.h' file not found Great, I'm glad! |

2023-08-17 20:24:54 +0200 | commented answer | Difficulty installing Sage-10.0 on Mac OS 12.6.8 'gmp.h' file not found One other question: what messages does ./configure print at the end? That would be useful to know. |

2023-08-17 20:21:16 +0200 | commented question | mutivariate polynomial with a single variable To make sure that a polynomial f has the correct parent and therefore the desired methods, I don't see a more straightfo |

2023-08-17 20:20:53 +0200 | commented question | mutivariate polynomial with a single variable To make sure that a polynomial f has the correct parent and therefore the desired methods, I don't see a more straightfo |

2023-08-17 19:41:48 +0200 | commented question | mutivariate polynomial with a single variable How are you defining your polynomials in the first place? The dummy variable seems pretty straightforward to me: just se |

2023-08-17 18:54:39 +0200 | edited answer | Extracting specific rows of a matrix The method matrix_from_rows_and_columns will do just this; it is especially helpful if you don't want to use consecutive |

2023-08-17 18:52:22 +0200 | answered a question | Extracting specific rows of a matrix The method matrix_from_rows_and_columns will do just this; it is especially helpful if you don't want to use consecutive |

2023-08-17 17:09:17 +0200 | commented answer | Difficulty installing Sage-10.0 on Mac OS 12.6.8 'gmp.h' file not found You could also post the question to the Google group sage-support, along with the file SAGE_ROOT/config.log. |

2023-08-17 06:55:35 +0200 | commented answer | Difficulty installing Sage-10.0 on Mac OS 12.6.8 'gmp.h' file not found My only two further ideas are (1) restarting the computer, starting a new terminal session, and then once again trying m |

2023-08-16 23:08:17 +0200 | commented answer | Difficulty installing Sage-10.0 on Mac OS 12.6.8 'gmp.h' file not found You can run make distclean which should restore things to pristine status. (This has pretty much the same effect as dele |

2023-08-16 20:17:51 +0200 | answered a question | Difficulty installing Sage-10.0 on Mac OS 12.6.8 'gmp.h' file not found My guess is that you didn't do source SAGE_ROOT/.homebrew-build-env. This has to be done in the same Terminal session as |

2023-08-15 21:55:06 +0200 | commented question | Instructions for installing SAGE from source on MacOS are hard to follow. SAGE_ROOT is now ~/sage/sage-10.0/ or something along those lines: it's the directory where README.md is, for example. S |

2023-08-15 18:25:12 +0200 | commented question | Instructions for installing SAGE from source on MacOS are hard to follow. Did it fail? It may have unpacked the tar file and then run into errors (for reasons I don't understand) after that. One |

2023-08-15 18:17:26 +0200 | edited question | Instructions for installing SAGE from source on MacOS are hard to follow. Instructions for installing SAGE from source on MacOS are hard to follow. I am trying to follow the instructions at http |

2023-08-15 06:35:38 +0200 | commented answer | #I Getting PackageInfo URLs... false #I Package "database_odlyzko_zeta" not found in package list You will have to decide where to install Sage. Once you compile it, you cannot move it or else it won't work; if you dec |

2023-08-13 18:35:34 +0200 | commented question | Is it possible to find formula of the sequence? This question is confusing. Are you asking how to find B, given A and C and a formula for combining A and B to get C, or |

2023-08-12 15:51:02 +0200 | received badge | ● Good Answer (source) |

Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.