217 questions

if we know that the vectors are dependant i need to determine the relation between v9 = vector([0, 0, -2, 0, 4, -2, 12, 8, -18]) and the following vectors

How to define an element in a space of Modular Forms and express it as a linear combination of basis elements?

• modular_forms

Quaternions Missing Important Functionality?

• quaternion
• clifford-algebra
• vector
• matrix
• symbolic

Special linear group of finite ring is finite

• groups
• Subgroups
• ideals

Finding integer solutions to systems of polynomial equations

• polynomials
• solve
• ring
• variable

checking isomorphism for weighted bipartite graph

• IsIsomorphic
• weighted-graph
• weight
• bipartite
• graph_theory

No able to get the results from the last segment

• interact
• Defining
• special_functions

Suggestions for improving speed

• dynamics
• vector
• field
• animation

5k

views

2

answers

no

votes

2017-04-24 10:37:42 +0200 ndomes

How to find multiple roots?

• find_root

Solving a fifth degree polynomial

• polynomials

Error in computation of eigenvalues in Sage

Comparing Sage and Mathematica for an Introductory Course

• education
• mathematica
• interactivity

Infinite polynomial ring with several index

• InfPolynomialRing

How to find a minimum number of switch presses to shut down all lamps?

• optimization
• finite-fields

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

2k

views

2

answers

no

votes

2012-12-04 12:22:47 +0200 ndomes

Can I display a list of equations aligned like latex eqnarray?

• notebook
• display
• equations
• aligned
• eqnarray

1k

views

2

answers

1

vote

2020-03-19 02:07:57 +0200 Juanjo

Trigonometric equation solving

809

views

2

answers

2

votes

2022-07-13 20:44:32 +0200 Juanjo

Parametric surface with the range of one variable depending on the other variable

• parametric_plot3d

Generating Gabidulin codes

Is there a sage command to compute complex numbers?

• complex
• complex-numbers

Plot the intersection of two surfaces

• plot3d

1k

views

2

answers

3

votes

2011-09-27 23:01:41 +0200 Mike Hansen

Find polynomial in terms of ideal

• polynomials
• ideal
• basis

How to solve a Bernoulli Diff EQ?

• differential
• differential_eqns
• Bernoulli

How to find a polynomial identity to evaluate sum of fifth powers?

• polynomial

Factoring modulo prime ideal

• polynomials
• algebraic_number

implicit3D region

problem with conjugate() of a function

• approximation
• conjugate
• pole

Problems and errors in solve an equation

• equation
• non-linear

How to solve ODE y'' - 4y' + y - x = 0 using rk4?

• desolve_rk4

AttributeError: 'int' object has no attribute 'mod'

• AttributeError