439 questions

how to import a math command "df(x,y)/dx + int_a^b f(x,z) f(y,z) dz" in sage when f is an unknown function of two variables in 3d space?

• function-definition
• symbolic-functions

error while assigning variables

• loop
• iteration
• multivariable

1k

views

2

answers

3

votes

2021-05-24 10:58:49 +0100 rburing

Quick (trivial) Groebner basis but too long lift of one

• groebner_basis
• equations
• PolynomialRing
• ideal
• lift

Defining Clifford Algebras

• algebra
• basis
• structure
• physics

Symbolic matrices

• symbolic
• matrix

Toric Ideal of Point Configuration Yielding Whole Ring?

• discrete-geometry
• triangulation
• PointConfiguration
• toric-ideals

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

• fixed_issue
• finite-fields
• roots

5k

views

2

answers

1

vote

2011-01-20 16:55:07 +0100 Mike Hansen

Set global precision for reals?

• precision

How to write the given program in sage

• graph

Conditional sum

• calculus

734

views

2

answers

2

votes

2021-07-13 10:52:22 +0100 Sébastien Palcoux

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

• finite-fields
• groebner_basis
• PolynomialRing
• ideal

Numerical integral with multiple parameters

• numerical_integral
• nintegral
• multivariable

1k

views

2

answers

2

votes

2019-01-26 11:50:13 +0100 rburing

Declaring symbols in a Field

• finite-fields
• extension-field

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

• coefficients
• Extract_coefficients
• quotient_ring
• TypeError-Quotient

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

Obtaining a poset from a list of vectors in Sage

• posets

crash on integral attempt

• integration
• maxima

Keys of a dictionary

• dictionary
• error
• type

Gradient, Divergence, Curl and vector products

• vector
• analysis
• gradient
• divergence
• curl

Structure constants for unitary groups

• group_theory
• structure_constants

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

Solve very simple linear program

• optimization
• linear

ergodic markov chain - steady state

• Markov_chain
• decision_making
• steady_state

Generating Gabidulin codes

From one polynomial over an algebraic extension to several over Q.

• polynomials

How show vector or matrix in legend label of plot in latex?

• legend
• label
• 2Dplot
• latex
• plot

2D plotting in sage looks wrong

• plot
• sage

Solving polynomial equations using Grobner basis technique

• grobner-basis

1k

views

2

answers

3

votes

2020-12-12 03:14:15 +0100 Juanjo

Filling a hyperbolic polygon

• hyperbolic_geometry
• graphics

TypeError: x0 is not a valid variable trying to solve equation