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eric_g's profile - karma

eric_g's karma change log

10 0 Gaussian Curvature of a 2D manifold. ( 2021-05-05 18:59:01 +0200 )

15 0 Working with tetrads and the spin connection ( 2021-05-04 16:26:20 +0200 )

10 0 Working with tetrads and the spin connection ( 2021-05-04 16:26:19 +0200 )

10 0 Integrating differential forms ( 2021-05-02 23:22:10 +0200 )

15 0 Integrating differential forms ( 2021-05-02 22:13:02 +0200 )

10 0 Integrating differential forms ( 2021-05-02 22:13:01 +0200 )

10 0 Differential forms on non-standard spherical coordinates ( 2021-05-01 22:01:43 +0200 )

15 0 Differential forms on non-standard spherical coordinates ( 2021-05-01 22:01:42 +0200 )

10 0 Working with tetrads and the spin connection ( 2021-05-01 16:18:08 +0200 )

0 -10 Differential forms on non-standard spherical coordinates ( 2021-04-28 15:39:03 +0200 )

10 0 Differential forms on non-standard spherical coordinates ( 2021-04-28 15:35:19 +0200 )

10 0 Background for plot should include axes and labels ( 2021-04-28 13:44:31 +0200 )

10 0 Differential forms on non-standard spherical coordinates ( 2021-04-28 12:42:15 +0200 )

10 0 Why `unable to convert (sin(h(x)), cos(h(x))) to a symbolic expression`? ( 2021-04-15 18:14:14 +0200 )

10 0 Is there a way to define a submanifold of a Euclidean space by providing a list of implicit constraints, instead of by declaring a separate manifold and explicitly defining the embedding? ( 2021-04-10 20:01:36 +0200 )

15 0 Is there a built-in way to integrate a vector or differential form field on an embedded submanifold of Euclidean space? ( 2021-04-09 01:37:42 +0200 )

15 0 Is there a way to define a submanifold of a Euclidean space by providing a list of implicit constraints, instead of by declaring a separate manifold and explicitly defining the embedding? ( 2021-04-09 01:37:05 +0200 )

15 0 How can I define a submanifold-with-boundary of a Euclidean space in Sage? ( 2021-04-09 01:31:42 +0200 )

10 0 how to define the codomain of a symbolic function ( 2021-04-02 01:57:22 +0200 )

10 0 SageMath Installation error ( 2021-03-23 22:12:51 +0200 )

0 -2 How to compute R,S,Z of raw bitcoin transaction with SAGE ? ( 2021-02-24 09:15:21 +0200 )

10 0 vector_field.apply_map before and after vector.display (weird behaviour) ( 2021-02-08 15:05:14 +0200 )

10 0 Can Sage verify (some) hyperbolic identities? ( 2021-02-03 15:19:52 +0200 )

10 0 latex_name and derivatives in sagemanifolds ( 2021-02-02 15:43:12 +0200 )

15 0 latex_name and derivatives in sagemanifolds ( 2021-02-02 15:43:11 +0200 )

15 0 Displaying all symbolic expression with ExpressionNice ( 2021-02-02 15:10:19 +0200 )

10 0 Displaying all symbolic expression with ExpressionNice ( 2021-02-02 15:10:13 +0200 )

10 0 Why doesn't Sage return `True` for `e < 3`? ( 2021-02-01 02:22:20 +0200 )

10 0 2 sets of coordinates in EuclideanSpace? ( 2021-01-30 23:42:57 +0200 )

15 0 2 sets of coordinates in EuclideanSpace? ( 2021-01-30 23:42:51 +0200 )

15 0 Matrix multiplication with a vector in EuclideanSpace ( 2021-01-29 14:26:33 +0200 )

10 0 Simplifying when solving Einstein equation ( 2021-01-28 00:08:26 +0200 )

15 0 Formula manipulation ( 2021-01-10 22:08:32 +0200 )

10 0 Formula manipulation ( 2021-01-10 21:45:47 +0200 )

10 0 Formula manipulation ( 2021-01-10 20:48:01 +0200 )

10 0 Formula manipulation ( 2021-01-10 10:50:13 +0200 )

15 0 manifolds : ricci_scalar() has no attribute 'at' ( 2020-12-20 09:35:06 +0200 )

10 0 Quickly recalling the definition of a temporary function to make minor edits? ( 2020-12-20 04:01:49 +0200 )

10 0 Quickly recalling the definition of a temporary function to make minor edits? ( 2020-12-18 15:35:41 +0200 )

10 0 Substitute a function in a formal derivative ( 2020-12-05 17:44:13 +0200 )

10 0 manifolds: antisymmetrize a tensor field creates a vector field instead of a tensor field ( 2020-12-04 16:55:31 +0200 )

10 0 Substitute a function in a formal derivative ( 2020-12-04 15:14:09 +0200 )

15 0 Substitute a function in a formal derivative ( 2020-12-04 14:27:48 +0200 )

10 0 falling_factorial produces AttributeError ( 2020-11-30 03:24:55 +0200 )

10 0 Why does manifold not have a volume form? ( 2020-11-10 19:27:47 +0200 )

15 0 Why does manifold not have a volume form? ( 2020-11-09 16:57:03 +0200 )

10 0 show command latex ( 2020-11-07 20:49:08 +0200 )

0 -10 show command latex ( 2020-11-07 20:49:08 +0200 )

10 0 show command latex ( 2020-11-07 20:49:07 +0200 )

15 0 show command latex ( 2020-11-06 23:39:43 +0200 )

0 -2 Are there tools/capabilities for mathematical finance? ( 2020-11-04 18:46:51 +0200 )

10 0 Extrinsic curvature of Riemannian submanifold: no basis found for computing the components ( 2020-10-28 14:31:36 +0200 )

10 0 Extrinsic curvature of Riemannian submanifold: no basis found for computing the components ( 2020-10-27 20:01:14 +0200 )

10 0 Extrinsic curvature of Riemannian submanifold: no basis found for computing the components ( 2020-10-27 19:46:18 +0200 )

0 -15 Extrinsic curvature of Riemannian submanifold: no basis found for computing the components ( 2020-10-27 18:32:51 +0200 )

15 0 Extrinsic curvature of Riemannian submanifold: no basis found for computing the components ( 2020-10-27 18:32:50 +0200 )

10 0 how to join functions with an intermediate fit to obtain smooth derivatives ( 2020-10-15 13:23:43 +0200 )

10 0 how to join functions with an intermediate fit to obtain smooth derivatives ( 2020-10-15 10:21:03 +0200 )

10 0 Computing gradients of vector fields? ( 2020-09-28 19:49:39 +0200 )

10 0 Using base 10 exponent of a number as label in a contour plot ( 2020-09-28 15:16:35 +0200 )

15 0 Using base 10 exponent of a number as label in a contour plot ( 2020-09-28 14:56:33 +0200 )

10 0 metric to christoffel symbols yielding overflow ( 2020-09-25 19:50:22 +0200 )

15 0 Coordinate for legend_label ( 2020-09-24 16:38:38 +0200 )

10 0 metric to christoffel symbols yielding overflow ( 2020-09-24 12:15:25 +0200 )

10 0 Coordinate for legend_label ( 2020-09-23 19:20:02 +0200 )

10 0 Coordinate for legend_label ( 2020-09-22 13:46:30 +0200 )

15 0 Pullback computation hanging ( 2020-09-20 19:20:24 +0200 )

10 0 Pullback computation hanging ( 2020-09-20 19:09:15 +0200 )

10 0 how to move from notebook() to jupyter ( 2020-09-16 10:59:30 +0200 )

10 0 Typo in Sagemanifolds worksheet ? ( 2020-09-05 20:18:17 +0200 )

10 0 Latex (?)--Riemann tensor overflow ( 2020-09-04 14:03:47 +0200 )

10 0 Latex (?)--Riemann tensor overflow ( 2020-09-04 12:17:32 +0200 )

10 0 When affine_connection is empty ( 2020-09-04 12:14:04 +0200 )

10 0 Tangent vector field ( 2020-09-03 14:45:20 +0200 )

15 0 Tangent vector field ( 2020-09-03 14:45:17 +0200 )

10 0 Tangent vector field ( 2020-09-03 12:46:01 +0200 )

10 0 When affine_connection is empty ( 2020-08-29 06:26:57 +0200 )

15 0 When affine_connection is empty ( 2020-08-29 06:26:56 +0200 )

10 0 When affine_connection is empty ( 2020-08-28 20:39:26 +0200 )

15 0 Error when trying to integrate ( 2020-08-15 12:23:59 +0200 )

10 0 Error when trying to integrate ( 2020-08-15 12:22:36 +0200 )

10 0 Render Latex in IPython notebook and display on output line ( 2020-08-13 18:52:06 +0200 )

10 0 Sagemanifolds display has deteriorated ( 2020-08-13 05:18:32 +0200 )

10 0 Sagemanifolds display has deteriorated ( 2020-08-13 00:55:20 +0200 )

15 0 Sagemanifolds display has deteriorated ( 2020-08-13 00:55:19 +0200 )

2 0 SageMath 9.1 for Windows ( 2020-08-04 09:30:14 +0200 )

15 0 Plotting Fermat' s Spiral, which requires polar coordinates, r=2theta ( 2020-08-03 16:09:29 +0200 )

10 0 Plotting Fermat' s Spiral, which requires polar coordinates, r=2theta ( 2020-08-03 16:09:26 +0200 )

10 0 Sage on Mac unable to use plot3d due to Java/jmol issues ( 2020-07-26 02:53:03 +0200 )

2 0 why does Sage find problems when calculating with objects put in a list ? ( 2020-07-21 11:13:59 +0200 )

15 0 Computing gradients of vector fields? ( 2020-07-19 09:43:06 +0200 )

10 0 How to plot in seperate window using Jupyter notebook? ( 2020-07-17 15:53:48 +0200 )

10 0 simplify_full() does not simplify ( 2020-07-17 06:32:07 +0200 )

10 0 Substituting variable/function ( 2020-07-16 21:59:10 +0200 )

10 0 simplify_full() does not simplify ( 2020-07-14 14:19:23 +0200 )

10 0 simplify_full() does not simplify ( 2020-07-14 13:24:37 +0200 )

15 0 simplify_full() does not simplify ( 2020-07-14 13:09:54 +0200 )

10 0 simplify_full() does not simplify ( 2020-07-14 12:50:15 +0200 )

10 0 plot_vector_field3d in spherical coordinates ( 2020-07-12 03:58:35 +0200 )

10 0 Installing packages using pip for Sage installed via apt ( 2020-07-06 22:38:17 +0200 )