eric_g's profile - karma

eric_g's karma change log

10 0 Source for Principal Null Directions Kerr, Example Worksheet ( 2024-04-22 20:37:48 +0200 )

0 -15 Confused about covariant derivatives and tensors in SageMath ( 2024-03-01 13:30:23 +0200 )

15 0 Confused about covariant derivatives and tensors in SageMath ( 2024-03-01 13:30:22 +0200 )

0 -15 Confused about covariant derivatives and tensors in SageMath ( 2024-03-01 13:30:21 +0200 )

15 0 Confused about covariant derivatives and tensors in SageMath ( 2024-03-01 13:30:19 +0200 )

10 0 Confused about covariant derivatives and tensors in SageMath ( 2024-02-29 07:53:30 +0200 )

10 0 Confused about covariant derivatives and tensors in SageMath ( 2024-02-28 13:57:55 +0200 )

15 0 Combine sage plot with matplotlib ( 2024-02-28 12:08:51 +0200 )

10 0 Combine sage plot with matplotlib ( 2024-02-28 12:06:42 +0200 )

10 0 Coefficients of partial derivatives ( 2024-02-27 18:57:28 +0200 )

15 0 Computing the Chern–Pontryagin invariant ( 2024-01-18 07:55:21 +0200 )

10 0 Computing the Chern–Pontryagin invariant ( 2024-01-18 07:55:20 +0200 )

10 0 Computing the Chern–Pontryagin invariant ( 2024-01-13 18:09:28 +0200 )

15 0 cannot use .str() on kernel of Matrix ? ( 2023-12-24 21:35:20 +0200 )

10 0 Command matrix() not work, but worked before ( 2023-12-24 14:17:55 +0200 )

0 -2 Wrong result for partial derivative ( 2023-12-10 16:30:23 +0200 )

10 0 Plotting transition-of-transition fails with "cannot evaluate symbolic expression" ( 2023-12-09 22:25:18 +0200 )

15 0 Plotting transition-of-transition fails with "cannot evaluate symbolic expression" ( 2023-12-09 22:22:50 +0200 )

10 0 cannot use .str() on kernel of Matrix ? ( 2023-12-05 10:50:44 +0200 )

15 0 grad on a generic metric ( 2023-11-21 21:13:32 +0200 )

10 0 [SageManifolds] Error : Black hole rendering with SageMath ( 2023-11-15 21:03:16 +0200 )

15 0 How to define *complex* symbolic variables ( 2023-10-19 13:56:15 +0200 )

10 0 manifolds docs ( 2023-10-03 19:33:13 +0200 )

10 0 Real and imaginary part of an expression with assumptions on variables ( 2023-09-25 01:37:51 +0200 )

15 0 Real and imaginary part of an expression with assumptions on variables ( 2023-09-25 01:37:48 +0200 )

10 0 Real and imaginary part of an expression with assumptions on variables ( 2023-09-21 07:30:49 +0200 )

10 0 Real and imaginary part of an expression with assumptions on variables ( 2023-09-21 00:09:06 +0200 )

15 0 Covariant derivative ( 2023-08-31 23:10:19 +0200 )

10 0 Covariant derivative ( 2023-08-31 22:50:33 +0200 )

10 0 Covariant derivative ( 2023-08-30 20:22:48 +0200 )

10 0 How can I check for the new functions in sage 10.1? ( 2023-08-26 17:43:45 +0200 )

10 0 How can I check for the new functions in sage 10.1? ( 2023-08-25 18:43:39 +0200 )

15 0 How can I check for the new functions in sage 10.1? ( 2023-08-24 18:12:42 +0200 )

10 0 How can I check for the new functions in sage 10.1? ( 2023-08-24 17:58:58 +0200 )

10 0 Bundle of manifold product ( 2023-08-18 16:23:14 +0200 )

10 0 Cannot start jupyterlab notebook ( 2023-08-09 08:53:43 +0200 )

15 0 Simple trigonometric equation ( 2023-08-06 08:18:49 +0200 )

10 0 Simple trigonometric equation ( 2023-08-05 18:29:55 +0200 )

0 -10 Simple trigonometric equation ( 2023-08-05 18:29:54 +0200 )

10 0 Simple trigonometric equation ( 2023-08-05 17:23:42 +0200 )

10 0 Cannot start jupyterlab notebook ( 2023-08-05 16:45:12 +0200 )

15 0 Cannot start jupyterlab notebook ( 2023-08-05 14:10:21 +0200 )

10 0 Cannot start jupyterlab notebook ( 2023-08-05 12:49:55 +0200 )

0 -10 Getting LaTeX code from Sage when running %display latex ( 2023-07-06 03:43:25 +0200 )

10 0 Getting LaTeX code from Sage when running %display latex ( 2023-07-06 03:43:23 +0200 )

10 0 Render Latex in IPython notebook and display on output line ( 2023-07-06 03:31:42 +0200 )

15 0 Keep metric purely symbolic ( 2023-06-24 21:44:50 +0200 )

15 0 Why does sage fail to detect the symmetry here? ( 2023-06-24 21:44:40 +0200 )

10 0 Why does sage fail to detect the symmetry here? ( 2023-06-24 16:04:19 +0200 )

10 0 Why does sage fail to detect the symmetry here? ( 2023-06-24 11:41:56 +0200 )

10 0 Keep metric purely symbolic ( 2023-06-23 15:32:46 +0200 )

10 0 Transforming Metric Tensor with Differentials ( 2023-06-05 09:02:28 +0200 )

10 0 Size of Labels on a Plot ( 2023-05-26 00:15:47 +0200 )

0 -10 Size of Labels on a Plot ( 2023-05-26 00:15:45 +0200 )

10 0 Size of Labels on a Plot ( 2023-05-26 00:15:44 +0200 )

10 0 Latex in plot()/text() - include extra latex packages ( 2023-05-23 04:20:24 +0200 )

10 0 problem with constant_coefficient of a form of ExteriorAlgebra ( 2023-03-06 13:49:21 +0200 )

15 0 problem with constant_coefficient of a form of ExteriorAlgebra ( 2023-03-06 11:55:50 +0200 )

15 0 Python3.11 Cpython issue, can't open app ( 2023-02-12 05:58:33 +0200 )

10 0 Python3.11 Cpython issue, can't open app ( 2023-02-10 21:26:17 +0200 )

15 0 basic questions on python version with sagemath. Why not 3.11.1? ( 2023-02-10 15:06:59 +0200 )

10 0 basic questions on python version with sagemath. Why not 3.11.1? ( 2023-02-10 15:05:57 +0200 )

10 0 Unexpected results defining a scalar field ( 2023-01-24 12:00:28 +0200 )

10 0 Can SageMath use GPU, or multiple nodes, or multiple CPUs? ( 2023-01-13 18:22:51 +0200 )

10 0 Who is the encoder of jordan_form in SageMath? ( 2023-01-05 10:50:33 +0200 )

15 0 How Do I Perform a Coordinate Transformation on a Metric Tensor? ( 2022-12-28 12:08:44 +0200 )

10 0 How Do I Perform a Coordinate Transformation on a Metric Tensor? ( 2022-12-27 14:02:45 +0200 )

10 0 evaluating log(a/b) == log(a) - log(b) ( 2022-10-17 17:22:27 +0200 )

10 0 How to write integrals symbolically in Sagemath similar to Mathematica ( 2022-09-20 05:16:40 +0200 )

10 0 @Parallel - how to use all CPUs ( 2022-08-24 19:29:51 +0200 )

10 0 Sage Manifolds: Asymptotically de Sitter Spacetime in Fefferman-Graham Gauge ( 2022-08-16 20:07:58 +0200 )

10 0 What functionality from SymPy is incorporated in Sage ( 2022-07-22 07:15:49 +0200 )

10 0 What functionality from SymPy is incorporated in Sage ( 2022-07-21 18:54:14 +0200 )

15 0 R_{ab} = T_{ba} and so on ( 2022-07-19 12:38:53 +0200 )

10 0 R_{ab} = T_{ba} and so on ( 2022-07-19 12:38:51 +0200 )

10 0 weyl, symmetrize and antisymmetrize functions provide error ( 2022-07-03 14:56:11 +0200 )

10 0 Substitute multiplication of sine and cosine for a symbolic function ( 2022-06-20 18:43:37 +0200 )

15 0 Control Theory in SageMath like SymPy physics.control ( 2022-06-20 16:31:18 +0200 )

10 0 R_{ab} = T_{ba} and so on ( 2022-06-17 20:15:57 +0200 )

10 0 Control Theory in SageMath like SymPy physics.control ( 2022-06-16 09:10:22 +0200 )

10 0 How to reduce the number of terms in an expression by collecting terms / factoring ( 2022-06-15 07:05:18 +0200 )

10 0 tick formatter pi cause the plot of squared sine function to have long tick label ( 2022-05-26 14:06:22 +0200 )

15 0 tick formatter pi cause the plot of squared sine function to have long tick label ( 2022-05-25 05:20:27 +0200 )

10 0 tick formatter pi cause the plot of squared sine function to have long tick label ( 2022-05-24 20:41:02 +0200 )

10 0 How to convert a list to components of a PseudoRiemannian metric ( 2022-05-24 10:44:28 +0200 )

10 0 Sage doesn't support completely modern string formatting ( 2022-03-19 18:09:30 +0200 )

10 0 LCM of 3 polynomials ( 2022-03-16 19:33:46 +0200 )

10 0 LCM of 3 polynomials ( 2022-03-16 15:12:50 +0200 )

10 0 conjugate of scalar field ( 2022-02-26 15:49:31 +0200 )

10 0 installing on linux ( 2022-02-23 10:36:31 +0200 )

10 0 plot3d giving no output, just a blank canvas ( 2022-02-09 11:26:33 +0200 )

10 0 linewidth of draw ( 2022-02-04 00:08:43 +0200 )

15 0 Tensor product of exterior power ( 2022-01-28 23:21:42 +0200 )

10 0 Tensor product of exterior power ( 2022-01-28 23:21:40 +0200 )

0 -10 Tensor product of exterior power ( 2022-01-28 23:21:39 +0200 )

10 0 Tensor product of exterior power ( 2022-01-28 23:21:38 +0200 )

15 0 Sagemath installation with apt package manager installs outdated version ( 2022-01-21 20:35:30 +0200 )

10 0 Sagemath installation with apt package manager installs outdated version ( 2022-01-21 20:35:22 +0200 )

10 0 Sagemath installation with apt package manager installs outdated version ( 2022-01-21 11:05:37 +0200 )

10 0 Redefine symbolic function even in derivatives ( 2022-01-20 11:34:51 +0200 )