437 questions

1k

views

3

answers

1

vote

2 years ago Max Alekseyev

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

• solve_mod
• multiple
• variables
• equation

386

views

1

answer

no

votes

2 years ago Max Alekseyev

Can't find error in my code

• programming
• matrices

451

views

1

answer

2

votes

2 years ago Max Alekseyev

Get maximally linearly independent set of vectors

• linear-algebra

634

views

no

answers

1

vote

2 years ago FrédéricC

Tropical Geometry

• AlgebraicGeometry
• combinatorics

Writing a matrix as a sum of matrices

• matrix
• sum
• partition

How to set a symbolic variable to square to zero?

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

Solving Ax = 0 (non-trivially)

• matrix
• equation-system

467

views

1

answer

1

vote

2 years ago rburing

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

• solve
• derivative
• list

1k

views

1

answer

2

votes

2 years ago Max Alekseyev

Sage crash when computing variety for an ideal with many variables

• variety
• ideal
• crash

1k

views

1

answer

no

votes

2 years ago Sébastien Palcoux

Fastest way to solve non-negative linear diophantine equations

• quick
• diophantine
• linear_equations
• positive
• partition

Monte_carlo Integration and Gauss coil formula

• numerical
• integration
• monte-carlo

268

views

1

answer

1

vote

3 years ago rburing

How to make a list of polynomials callable?

• polynomial
• callable

A question of presentation

• return

Coefficients of symmetric polynomials

• coefficients
• SymmetricFunctions
• polynomial

Changing a string in a list

• list

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

• coxetergroup
• Hyperplane
• linear_algebra
• linear_equations

240

views

1

answer

no

votes

3 years ago Max Alekseyev

Symbolically evaluate abstract cryptographic operations

• cryptography
• encryption
• finite-field
• symbolic

Tubular surface around curve

How do I do map/element-wise operations?

full metric transform

• Methods
• sagemanifolds

697

views

1

answer

1

vote

3 years ago rburing

Differentiate vector field w.r.t a variable not defining the chart

• derivative
• manifolds
• chart
• variables

Evaluating gradient of numerically approximated function

• numerical
• integral
• field
• vector
• gradient

774

views

1

answer

2

votes

3 years ago Max Alekseyev

Non-Symmetric Macdonald expansion

• Macdonald
• bases
• polynomials

support() and coefficients() in combinatorial free modules

• CombFreeModule
• CyclotomicField
• kernel

How to add two vectors in polar coordinates

• vectors
• cylindrical
• coordinates
• polar

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?

• integration
• submanifolds
• manifolds
• embedding
• surface

enriched contour plot

• contour_plot
• points

How do I use sage to check differential vector identities? Do I need to create an operator?

• gradient
• diff-operator
• non-commutative

337

views

1

answer

1

vote

3 years ago John Palmieri

Defining vector partition functions in sage

• partitions

538

views

2

answers

2

votes

3 years ago Sébastien Palcoux

Polynomial system without solution in char. 0: classification of char. p with solution

• finite-fields
• groebner_basis
• PolynomialRing
• ideal