## Administrator | |
---|---|

real name | Eric Gourgoulhon |

member since | 2015-03-22 22:52:45 +0200 |

last seen | 2023-03-10 00:22:27 +0200 |

website | https://luth.obspm.fr/~luth... |

location | Meudon, France, |

todays unused votes | 30 votes left |

1665

4

- sagemanifolds× 76
- 3D-plots× 25
- sagemanifold× 22
- symbolic× 18
- Jupyter× 18
- confirmed_issue× 18
- latex× 16
- manifolds× 16
- installation× 15
- plot× 12
- function× 11
- windows× 11
- subs× 10
- 2Dplot× 10
- plot3d× 9
- tensor× 9
- substitute× 9
- jmol× 8
- sqrt× 8
- sagemath× 8
- euclidean× 8
- graphics× 7
- ubuntu× 7
- vector× 7
- maxima× 7
- derivative× 7
- coordinates× 7
- threejs× 7
- simplify× 6
- sum× 6
- metric× 6
- angle× 6
- notebook× 5
- sage× 5
- equation× 5
- linux× 5
- mathematica× 5
- connection× 5
- compilation× 5
- potential× 5

● Autobiographer
×
1

● Commentator × 1 ● Necromancer × 7

● Nice Answer × 149

● Great Answer × 6

● Civic Duty × 1 ● Enlightened × 1 ● Supporter × 1

● Editor × 1 ● Good Answer × 45

● Commentator × 1 ● Necromancer × 7

- Why `unable to convert (sin(h(x)), cos(h(x))) to a symbolic expression`?
- Size of Labels on a Plot
- Coordinate Transforms
- Make ipython notebook world-viewable?
- In-line graphics for Sage in ipython notebook?
- How could I notice that a SAGE program is running?
- Quaternions Missing Important Functionality?

● Nice Answer × 149

- @Parallel - how to use all CPUs
- What functionality from SymPy is incorporated in Sage
- R_{ab} = T_{ba} and so on
- tick formatter pi cause the plot of squared sine function to have long tick label
- Sage doesn't support completely modern string formatting
- LCM of 3 polynomials
- Sagemath installation with apt package manager installs outdated version
- SageMath installation failed in Ubuntu 20.04
- controling ticks using graphics_array using sage 8.4 (ubuntu 18.04)
- Redefine symbolic function even in derivatives
- Can declare symbolic variable with specific type?
- Computing gradients of vector fields?
- Using dz /\ dx convention in SageManifolds
- show command latex
- Add legend to implicit_plot for different parameter values
- 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?
- Contraction of Levi-Civita Symbols
- Restriction of domain of vector field
- Several charts at top create trouble with submanifolds
- Working with tetrads and the spin connection
- Integrating differential forms
- Differential forms on non-standard spherical coordinates
- Set LaTeX fontsize in labels?
- Sage fails to evaluate this expression.
- Dot-angle syntax
- Is there some import I need to do for defining variables?
- Size of Labels on a Plot
- What to do for using the IPython notebook?
- falling_factorial produces AttributeError
- Summation in a range
- Using interact
- Can I alias a sage command?
- derivative of order var('m') returns 0
- how to produce graphics from cli
- Error in rising_factorial
- Symbolic vector field
- Axes labels on 3D plots?
- Derivation of a sagemanifold vector (possible bug)
- Sage manifold error
- Using differential forms---within SageManifolds
- Coordinate Transforms
- How to include PDF image from Sage into LaTeX document (scale issue)?
- What's this result of equation solving?
- Parametric plot with piecewise input
- Make ipython notebook world-viewable?
- Why use symbolic functions?
- how to simplify differential form
- help on using chain rule in Sage
- Trigonometric equality (with arctan and arcsin)
- [RESOLVED]Use sage objects in python module files
- Is it possible to define (or assume) the derivative of a function
- Computing Riemann connection fails in Maxima
- Better implementation for Laplace-Beltrami operator
- integrate x^3/(exp(x)-1) between 0 and infinity
- ode and piecewise function
- How does sagemath modify python?
- Should I / how should I make an optional sage package?
- jupyter interface vs. sagenb
- Infinite initial conditions in ODE and arbitrary constant
- Sage pip not compatible with PyPI
- make doc-pdf fails (sage 8.0/ubuntu 16.04)
- Project defined functions
- Name of this project: Sage or Sagemath?
- No tick marks
- Render Latex in IPython notebook and display on output line
- Good(new 2017+) Book/Tutorial
- Potential from an exact differential form
- how to define the codomain of a symbolic function
- Numerical Integral with variable params
- div, grad and curl once again
- Create multivariate function of a list of variables
- tab completion observation
- How to calculate Work from Potential
- best way to convert many notebooks from sagenb to jupyter?
- 3D Vector Field Doesn't have Arrows
- viewer 3D problem
- Can this fraction be simplified ?
- Alternating symbols with SageManifolds
- Curl in 2D Manifolds
- Sum using coefficients of a expansion
- About SymmetricGroupRepresentation()
- how to run maxima code in Sage?
- make ptest fails after compilation based on Python3
- Another problem simplifying symbolic trigonometric expressions
- R-module/algebra valued differential forms
- what instance is integral from?
- Typing in a command of an adding-to-infinity sum
- Quaternions Missing Important Functionality?
- Running Sagemath 8.2 natively in Windows, how to change the Jupyter default directory?
- Python 3 print in Sage
- show(LatexExpr(" \frac{x}{\cos(x)}")) need 2 \\
- How to edit pixel values of color image in SageMath?
- How to convert an integer to fixed length binary string in Sage?
- Cannot get threejs rendering to work on MacOS
- How to realize the composition of rational function mappings with Sagemath?
- integration - StopIntegration support?
- SageManifolds different frames
- .canonicalize_radical() produces incorrect result
- Sagemanifold - Connection components from a tensor (not a metric)
- Redefine Method in Sage class
- jupyter tutorial
- Wrong factorization of expressions containing exponentials ?
- Solved: Why does integrate(psi(y)*f(y),y) return an error but integrate(psi(t,y)*f(t,y),y) works?
- Coefficients of partial derivatives
- grad() at glacial speed
- Is SageManifolds adequate to work with homogeneous Riemannian manifolds?
- Differential forms best package
- Arrow length goes wild near poles in vector field plot
- Bipolar coordinate system
- tangent space vector mapping
- set_default_chart seems to fail
- How to create/use matrices valued in differential forms?
- How to grab the 'function' part of a differential form?
- Trouble with spherical coordinates in sagemanifolds
- How to define multiple objects with a for loop?
- Opening "old" Sage Notebooks in Jupyter: not UTF-8 encoded
- SageManifolds: Equations of motion for scalar field
- Source for Principal Null Directions Kerr, Example Worksheet
- Setting the components of a differential form systematically.
- Changing chart multiple times in sagemanifolds
- Error computing curvature of graph submanifold
- Interactive linear programming
- Check if a curve is a geodesic
- Display connection coefficients under a change of chart
- How to transform fxy.solve(y) into function I can plot?
- How can I get the Sage version 9 on ubuntu?
- Working with units
- gen_lengendre_p bug
- Getting LaTeX code from Sage when running %display latex
- PEMDAS unexpected result
- Index notation
- metric perturbations on Sagemanifolds
- abstract index notation and differential geometry
- Installing packages using pip for Sage installed via apt
- simplify_full() does not simplify
- Substituting variable/function
- Sagemanifolds display has deteriorated
- When affine_connection is empty
- Tangent vector field
- Latex (?)--Riemann tensor overflow
- Pullback computation hanging
- Coordinate for legend_label
- metric to christoffel symbols yielding overflow
- how to join functions with an intermediate fit to obtain smooth derivatives
- Extrinsic curvature of Riemannian submanifold: no basis found for computing the components
- Substitute a function in a formal derivative
- Quickly recalling the definition of a temporary function to make minor edits?
- Formula manipulation
- Can Sage verify (some) hyperbolic identities?

- Good(new 2017+) Book/Tutorial
- div, grad and curl once again
- .canonicalize_radical() produces incorrect result
- How to create/use matrices valued in differential forms?

● Great Answer × 6

- Good(new 2017+) Book/Tutorial
- div, grad and curl once again
- 3D Vector Field Doesn't have Arrows
- .canonicalize_radical() produces incorrect result
- Coefficients of partial derivatives
- How to create/use matrices valued in differential forms?

● Civic Duty × 1 ● Enlightened × 1 ● Supporter × 1

● Editor × 1 ● Good Answer × 45

- Redefine symbolic function even in derivatives
- SageMath installation failed in Ubuntu 20.04
- Can declare symbolic variable with specific type?
- Integrating differential forms
- gen_lengendre_p bug
- how to define the codomain of a symbolic function
- What to do for using the IPython notebook?
- Summation in a range
- Axes labels on 3D plots?
- Using interact
- Parametric plot with piecewise input
- help on using chain rule in Sage
- Trigonometric equality (with arctan and arcsin)
- how to produce graphics from cli
- Should I / how should I make an optional sage package?
- Good(new 2017+) Book/Tutorial
- div, grad and curl once again
- Create multivariate function of a list of variables
- 3D Vector Field Doesn't have Arrows
- Can this fraction be simplified ?
- Sum using coefficients of a expansion
- Potential from an exact differential form
- make ptest fails after compilation based on Python3
- Curl in 2D Manifolds
- Typing in a command of an adding-to-infinity sum
- .canonicalize_radical() produces incorrect result
- show(LatexExpr(" \frac{x}{\cos(x)}")) need 2 \\
- Is it possible to define (or assume) the derivative of a function
- Can I alias a sage command?
- Coefficients of partial derivatives
- Better implementation for Laplace-Beltrami operator
- Arrow length goes wild near poles in vector field plot
- Bipolar coordinate system
- Alternating symbols with SageManifolds
- How to create/use matrices valued in differential forms?
- How to grab the 'function' part of a differential form?
- How to define multiple objects with a for loop?
- Trouble with spherical coordinates in sagemanifolds
- Source for Principal Null Directions Kerr, Example Worksheet
- simplify_full() does not simplify
- Render Latex in IPython notebook and display on output line
- When affine_connection is empty
- Extrinsic curvature of Riemannian submanifold: no basis found for computing the components
- falling_factorial produces AttributeError
- Formula manipulation

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.