439 questions

ergodic markov chain - steady state

• Markov_chain
• decision_making
• steady_state

Getting the denominator takes ages...

• symbolic-expression
• rational-function

How to set matplotlib backend from SageTeX?

• matplotlib
• matplotlib_sagetex
• sagetex
• tikz

exponential matrix exp(A*t)

• exponentiation
• matrix

Solve very simple linear program

• optimization
• linear

Does Sage keep the order of vertices in a graph and it's group or scramble them? For me it sometime scrambles them.

• graph
• permutation_group
• representation

To give a name to an append list

• algebra

Structure constants for unitary groups

• group_theory
• structure_constants

How to create a symbolic arbitrary dimensional zero vector?

• vector

1k

views

1

answer

2

votes

2021-10-22 04:39:14 +0200 Max Alekseyev

Non-Symmetric Macdonald expansion

• Macdonald
• bases
• polynomials

Gradient, Divergence, Curl and vector products

• vector
• analysis
• gradient
• divergence
• curl

Keys of a dictionary

• dictionary
• error
• type

crash on integral attempt

• integration
• maxima

Compute intersection of cone with lattice?

• cones
• lattices
• number_fields
• geometry
• intersection

get graph combinatorial embedding from position of vertices

• graph-theory
• embedding

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

• interpreter
• interface
• repl

Obtaining a poset from a list of vectors in Sage

• posets

How to determine there is a k-path between two vertices

• graphtheory

update a value entry following some rule

• sorting

Velocity of time

• sagemanifolds

How can we make the AES S-box using Lagrange interpolation?

• S-box
• block_matrix
• Lagrange

Plotting families (depending on integer parameter(s)) of curvilinear coordinate and isolevel lines and surfaces, resp. for functional and parametric surfaces, and for 3-variate scalar fields and volume deformations in 3D

• curvilinear
• coordinates

How to express the coefficients of an iterated group action on a basis as a matrix?

• coefficients
• Extract_coefficients
• quotient_ring
• TypeError-Quotient

Construct a system of linear equations

• linear
• equations

2k

views

2

answers

2

votes

2019-01-26 11:50:13 +0200 rburing

Declaring symbols in a Field

• finite-fields
• extension-field

support() and coefficients() in combinatorial free modules

• CombFreeModule
• CyclotomicField
• kernel

Solving a "large" differential equation system

A certain polyhedron-related computation: any way to get it quicker?

• polyhedra
• computation_time

2k

views

3

answers

1

vote

2022-10-28 21:51:36 +0200 Max Alekseyev

solve_mod() takes long time and no result return when computing big numbers

• solve_mod
• multiple
• variables
• equation

Group Acting on a Set

• group_theory