2022-04-06 09:18:19 +0100 | commented question | compute the equation for elliptic curves from lattices Thank you very much, Max! |

2022-04-06 04:21:31 +0100 | commented question | compute the equation for elliptic curves from lattices Thanks a lot for the anwser ! So there is no program or command in Sage or Pari to do that directly, right? |

2022-04-06 04:21:05 +0100 | commented question | compute the equation for elliptic curves from lattices Thanks a lot for the anwser ! So this no program or command in Sage or Pari to do that, right? |

2022-04-06 04:20:03 +0100 | commented question | compute the equation for elliptic curves from lattices Thanks a lot for the anwser ! |

2022-04-05 04:01:25 +0100 | commented question | compute the equation for elliptic curves from lattices For example, given a basis [1.4752770112052821796 - 0.6182637476411826238i, 1.6774834051116878106 - 2.20502299078472825 |

2022-04-05 02:55:06 +0100 | edited question | compute the equation for elliptic curves from lattices compute the equation for elliptic curves from lattices Given a lattice in $\mathbb{C}$, is there commands in Sage or Par |

2022-04-05 02:54:29 +0100 | commented question | compute the equation for elliptic curves from lattices For example, given a basis [0.098399731571614359624741719123619532184 + 0.234797628763158122884319861656265970851i, 0.2 |

2022-04-05 02:54:13 +0100 | commented question | compute the equation for elliptic curves from lattices For example, given a basis $[0.098399731571614359624741719123619532184 + 0.234797628763158122884319861656265970851i, 0. |

2022-04-05 02:53:54 +0100 | commented question | compute the equation for elliptic curves from lattices For example, given a basis [0.098399731571614359624741719123619532184 + 0.234797628763158122884319861656265970851i, 0.2 |

2022-04-05 02:53:16 +0100 | commented question | compute the equation for elliptic curves from lattices For example, given a basis [0.098399731571614359624741719123619532184 + 0.234797628763158122884319861656265970851I, 0.2 |

2022-04-03 05:26:10 +0100 | edited question | compute the equation for elliptic curves from lattices compute the equation for elliptic curves from lattices Given a lattice in $C$, is there commands in Sage or Pari to comp |

2022-04-03 05:25:56 +0100 | edited question | compute the equation for elliptic curves from lattices compute the equation for elliptic curves from lattices Given a lattice in $C$, is there commands in Sage or Pari that co |

2022-04-03 05:25:45 +0100 | received badge | ● Editor (source) |

2022-04-03 05:25:45 +0100 | edited question | compute the equation for elliptic curves from lattices compute the equation for elliptic curves from lattices Given a lattice in $C$, is there command in Sage or Pari that com |

2022-04-03 05:25:30 +0100 | asked a question | compute the equation for elliptic curves from lattices compute the equation for elliptic curves from lattices Given a lattice in $C$, is the command in Sage or Pari that compu |

2022-03-27 06:18:37 +0100 | commented answer | set precision for pari in Sage Thanks a lot ! I find that the .mfsymbol() can set precision in Sage. For example, I use pari.mfsymbol(S,L[0],256) can i |

2022-03-24 12:03:13 +0100 | commented answer | set precision for pari in Sage Thanks a lot ! But this seem not effect when I use Sage. Please see the example I give in the comment below. |

2022-03-24 12:01:35 +0100 | commented answer | set precision for pari in Sage For example, I run the following code in sage from cypari2 import Pari pari = Pari() print(R) K.<a>=CyclotomicFie |

2022-03-24 12:00:40 +0100 | commented answer | set precision for pari in Sage For example, I run the following code in sage from cypari2 import Pari pari = Pari() print(R) K.<a>=CyclotomicFie |

2022-03-24 12:00:02 +0100 | commented answer | set precision for pari in Sage For example, I run the following code in sage from cypari2 import Pari pari = Pari() print(R) K.=CyclotomicField(3) E=p |

2022-03-23 09:48:46 +0100 | commented answer | set precision for pari in Sage Thanks a lot! I tried this command pari.set_real_precision(), but when I use mfsymboleval, the precision does not chang |

2022-03-23 08:37:44 +0100 | asked a question | set precision for pari in Sage set precision for pari in Sage In the pari program, we can use \pb 256 to set the precision. For the pari in Sage, how t |

2022-03-23 08:35:44 +0100 | commented answer | How to find a CM point with the image in the elliptic curve under modular parametrization given Thank you very much, John. |

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2019-08-11 23:05:54 +0100 | asked a question | How to find a CM point with the image in the elliptic curve under modular parametrization given everyone! Let $E:y^2+y=x^3-61$ be the minimal model of the elliptic curve 243b. How can I find the CM point $\tau$ in $X_0(243)$ such that $\tau$ maps to the point $(3\sqrt[3]{3},4)$ under the modular parametrization? Can anyone tell me the answer or how to use sagemath to find it? I use the sagemath code to get the parametrization of y coordinate, then I use to get the numerical $e^{2\pi i \tau}$. After taking log and dividing by $2 \pi i$, I get the numerical $\tau$. But if I use I get the wrong polynomial. Why? |

2017-03-29 01:38:01 +0100 | received badge | ● Nice Question (source) |

2017-03-20 11:33:45 +0100 | commented answer | How to use many cpus to compute in sage Thank you very much! I modified the code into following @parallel(ncpus=47) def P(i,j): I=[1..1000] for i,j in itertools.product([1..100],I): P(i,j) but seems no effect. What is the reason? |

2017-03-19 10:22:40 +0100 | received badge | ● Student (source) |

2017-03-19 01:48:48 +0100 | asked a question | How to use many cpus to compute in sage There is an server with 48 cpus in my office. I want to use all of them to compute the following codes in sage. How can I do that? |

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