439 questions

360

views

1

answer

no

votes

2022-01-23 23:12:19 +0100 Max Alekseyev

Symbolically evaluate abstract cryptographic operations

• cryptography
• encryption
• finite-field
• symbolic

Equation for hyperplane of a reflection - Try to do TODO on reflection group sage page

• coxetergroup
• Hyperplane
• linear_algebra
• linear_equations

Changing a string in a list

• list

Coefficients of symmetric polynomials

• coefficients
• SymmetricFunctions
• polynomial

A question of presentation

• return

481

views

1

answer

1

vote

2022-04-13 15:50:38 +0100 rburing

How to make a list of polynomials callable?

• polynomial
• callable

Monte_carlo Integration and Gauss coil formula

• numerical
• integration
• monte-carlo

1k

views

1

answer

no

votes

2022-06-07 12:23:08 +0100 Sébastien Palcoux

Fastest way to solve non-negative linear diophantine equations

• quick
• diophantine
• linear_equations
• positive
• partition

2k

views

1

answer

2

votes

2022-06-13 00:55:59 +0100 Max Alekseyev

Sage crash when computing variety for an ideal with many variables

• variety
• ideal
• crash

692

views

1

answer

1

vote

2022-06-15 20:59:28 +0100 rburing

Correct syntax for "solve(f.derivative(x1,x2)==(0,0))"

• solve
• derivative
• list

Solving Ax = 0 (non-trivially)

• matrix
• equation-system

How to set a symbolic variable to square to zero?

• symbolic-variables
• simplicial
• differential
• nilpotent-element
• dold-kan

Writing a matrix as a sum of matrices

• matrix
• sum
• partition

742

views

no

answers

1

vote

2022-09-11 08:37:47 +0100 FrédéricC

Tropical Geometry

• AlgebraicGeometry
• combinatorics

699

views

1

answer

2

votes

2022-10-01 03:06:37 +0100 Max Alekseyev

Get maximally linearly independent set of vectors

• linear-algebra

505

views

1

answer

no

votes

2022-10-05 17:58:03 +0100 Max Alekseyev

Can't find error in my code

• programming
• matrices

2k

views

3

answers

1

vote

2022-10-28 21:51:36 +0100 Max Alekseyev

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

• solve_mod
• multiple
• variables
• equation

Create single-column matrix (aka. column vector)

• matrix
• polynomial-matrix
• column
• vector

How to speed up this code

• programming
• matrices

plot scattered data

• 2Dplot
• scatt

Roots of polynomials over a non-prime finite field in a given extension

• fixed_issue
• finite-fields
• roots

Calculating large symbolic determinants is too slow

• symbolic-matrix
• determinant
• speed_up

Delayed evaluation (equivalent to := in Mathematica)?

• delayed
• evaluation
• lambda

Inverse matrix and basis of subspace

• inverse
• base

Rational quadratic form from invariants

• QuadraticForm
• algebra
• number_theory

Unexpected results defining a scalar field

• vector_calculus

654

views

2

answers

1

vote

2023-01-24 14:19:14 +0100 rburing

Model of polynomial over $GF(2^n)$ as polynomials over $GF(2)$

• PolynomialRing
• binary

How am I able to take the gradient of a symbolic function twice?

Is there a function for negacyclic matrices?

• cyclic_matrix
• programming

Conditional sum

• calculus