11865 questions

90

views

no

answers

1

vote

2023-09-22 17:53:49 +0200 FrédéricC

how to check if an integer is represented by a given quadratic form or not ?

• QuadraticForm

How to use lift_x in python?

• python3

Real and imaginary part of an expression with assumptions on variables

• complex

How can we binarize Reed Solomon Codes?

• coding_theory
• vector_space
• subspace
• finite_field
• Reed_Solomon

Is it possible to change the default ordering of added terms?

How to plot the real line in SageMath

• plot
• graphics

Define truncated power series as two variable function?

• power_series
• function
• multivariable-func

How to put equation numbers in notebook cells?

• jupyter-notebook

125

views

1

answer

1

vote

2023-09-17 18:24:54 +0200 Max Alekseyev

introduction to lattices help

26

views

1

answer

1

vote

2023-09-17 17:20:20 +0200 Max Alekseyev

Equivalent of integralQuarticPoints from Magma in Sage?

• magma
• quartic
• Integralpoints

Digraphs with Sage

• digraph

character encoding

• character
• encoding
• unicode

31

views

1

answer

no

votes

2023-09-13 19:50:10 +0200 John Palmieri

how do I expand cos(n*theta)

• sage
• math

74

views

no

answers

1

vote

2023-09-13 09:48:24 +0200 FrédéricC

p.resultant(...) returning a TypeError: Singular error:

• singular
• resultant

import astropy in a sage notebook v

• import

68

views

1

answer

no

votes

2023-09-12 16:20:12 +0200 Max Alekseyev

Problem with matrix echelon form

• echelon_form
• linear-algebra

threejs does not work

• plot3d

106

views

no

answers

no

votes

2023-09-12 05:56:32 +0200 John Palmieri

How to plot curve projection?

• projection
• osculating
• plane

82

views

1

answer

no

votes

2023-09-11 04:52:04 +0200 Max Alekseyev

What is the equivalent of Mathematica SymmetricReduction[] in Sage?

• mathematica

Computing algebraic power series in finite fields

• algebraic
• formal-power-series
• finite-fields

tetrahedron with each face differently colored?

• graphics
• solid

n*1/n^2 for n = 1,2,3,50.

2-order differential equation with parameters

• differential
• differential_eqns

124

views

no

answers

1

vote

2023-09-08 00:42:22 +0200 John Palmieri

sqrt integral not working

• sqrt
• integral
• sagemanifolds

enabling middle-button paste in sagemath's jupyter

• Jupyter
• copy-paste
• linux

Unexpected error with sign() function in SageMath

• permutation
• universal-algebra
• Lie_algebra

Free algebra identity (empty word) and involution

• algebra

submodules or maybe sub-algebras of CDGA

• graded_algebra
• cohomology
• GCAlgebra

39

views

1

answer

no

votes

2023-09-04 23:09:57 +0200 Max Alekseyev

Simplify an expression in symbolic matrix

• simplify
• symbolic-matrix
• symbolic-expression
• simplify_full
• simplify_rational

Can three.js URL be configured by user