615 questions

using sage functions with data from octave

• histogram
• Octave

Is there a way to start a Sage session from a session of its Python interpreter ?

• interpreter
• interface
• repl

Memory leaks with matrix multiplication over GF(2)

• confirmed_issue
• memory_leak

Lattices via sage

• Poset
• lattice_poset

Obtaining symbolic generators from homology()

• homology
• chaincomplex
• symbolic-expression

Elliptic Curve Twist

• finite-field
• EllipticCurve

su2 matrix exponentiation

• su2
• algebra
• matrix
• exponentiation

268

views

no

answers

2

votes

2024-09-30 20:41:32 +0100 Max Alekseyev

Checking that a matrix space is invariant with respect to a linear map

• matrices
• beezer
• linear-algebra
• invariant

R-module/algebra valued differential forms

• sagemanifold
• DifferentialForms
• liealgebra

778

views

2

answers

2

votes

2020-02-05 00:34:29 +0100 rburing

How are symbolic derivatives composed in quaternions?

• quaternion
• calculus

2k

views

2

answers

2

votes

2013-07-09 10:08:44 +0100 M. H. M.

How to prevent memory leak when solving a linear system of equations using left_kernel ?

• kernel
• matrix
• LSE
• memory_leak
• garbage_collection

Polynomial ring indexed over an abelian group (magma).

• magma
• DefineVariables

Plotting question

• plot
• complex

canonicalize_radical for matrices.

• fixed_issue
• matrices
• feature-request
• canonicalize_radical

1k

views

2

answers

2

votes

2020-05-09 16:52:20 +0100 Juanjo

Escape characters for LaTeX

• latex
• strings

How to simplify Bessel functions ?

• bessel
• Helmholtz
• cylindrical

Phase portraits of 2-dimensional systems

• differential_eqns
• plotting
• ode_solver

Structure constants for unitary groups

• group_theory
• structure_constants

Vector.normalize() function

• vector
• normalize
• L2-norm

Visualize vector field with singularities

• plot

tree of vectors

• tree
• linear-algebra
• matrices
• heights

Vector subspaces of Verma Modules

checking if a subset of columns of a matrix span a given vector

• rank
• matrices

1k

views

1

answer

2

votes

2020-04-09 14:41:52 +0100 rburing

Compute dimension of vector subspace

• linear-algebra
• NumberField

IntegerLattice.closest_vector() not finding a vector already in the lattice

Projection of vector

• vector
• projection
• visualization

how to export vector variables and other data structures into R as variables?

• R
• export
• variables

Gradient, Divergence, Curl and vector products

• vector
• analysis
• gradient
• divergence
• curl

Accessing component of 3D vector?

• 3d
• vector
• component
• 3Dvector

820

views

1

answer

2

votes

2019-09-01 22:09:48 +0100 rburing

Vector valued function: unable to convert to symbolic expression

• vector-fields
• symbolic-expression