8,090 questions

Communications issue in sage after installing new package

• cocalc
• pip
• communication

cosmological spacetimes

• general-relativity
• spacetime
• tensor

asking real part of a function crash the kernel

• real_part
• crash
• confirmed_bug

How to expand the result of derivative()?

• derivative
• expand

Source for Principal Null Directions Kerr, Example Worksheet

• Kerr
• spacetime
• killing-tensor
• general-relativity

var list with only one variable error

• var
• list
• confirmed_bug

Import sage in python3

• python3

How to find a CM point with the image in the elliptic curve under modular parametrization given

• number-theory
• Elliptic-curves

Submitting code to Sage

• MixedIntegerLinear
• submitting_code

Obtain a particular solution for a system of inequalities whose variables can only take certain values

• inequalities
• assumption
• inequalities-output

Sage on Jupyter - socket error

• jupyter-notebook

23

views

1

answer

2

votes

2019-08-09 13:15:49 -0500 rburing

Plotting a LabelledOrderedTree with duplicate labels

• trees
• duplicates

34

views

1

answer

no

votes

2019-08-09 08:16:17 -0500 rburing

Define the affine variety $X = V (y − x^2, y − x + 1)$.

• AlgebraicGeometry
• algebra
• geometry
• CommutativeAlgebra

Matrix groups

• MatrixGroup

Betti numbers of Nakajima Quiver varieties

• quivers

removing the repeated rows of a matrix

• matrices

The shortest string containing all given substrings

• optimization
• string

43

views

1

answer

no

votes

2019-08-08 05:38:24 -0500 rburing

the following codes for 2^3 field. for the same field how to check the curve parameter A,B are the element of the field

sub-module membership test

• ideal
• FreeModule
• Modules
• CommutativeAlgebra

vector space basis for a quotient module

• free_module
• groebner_basis
• ideal
• CommutativeAlgebra

40

views

2

answers

1

vote

2019-08-07 13:47:18 -0500 John Palmieri

tree ordering in sage

• trees
• treeiterators

Win 10 install issues

• tutorial
• Icons
• installation
• windows10
• newby

central idempotent of a finite dimensional algebra

• algebra
• central_idempotents

unable to simplify to a complex interval approximation

• interval_fields
• psi_function

which function give accurate time result timeit or start time to end time

27

views

2

answers

no

votes

2019-08-06 13:07:32 -0500 John Palmieri

Why GF(256) matrix only have zero and one number?

• matrix
• GF

sagetex with conda install

• sagetex
• conda

polynomials with bounded coefficients

• polynomials
• finite-field

Optimal method to invert symbolic matrix

• symbolic-matrix
• pseudo-Inverse

26

views

1

answer

no

votes

2019-08-05 16:22:45 -0500 rburing

Substituting symbolic expressions for mixed differential forms.

• differential_form
• matrices
• coercion
• symbolic-expression
• substitute