11994 questions

7

views

1

answer

no

votes

2023-12-05 19:54:03 +0100 Max Alekseyev

number of arguments does not match number of variables in parent

NameError: name '...' is not defined

• parallel
• import

How to collect the derivatives in an expression for a scalar field

• manifolds
• sagemanifolds
• collect

Simplify algebraic expressions using commutator $[a,a^{+}]$=1

• operator
• algebra
• commutation

Finding projective orders over residual class rings of form Z / (p)^{n} Z

• projective
• number_theory
• algebra
• linear-algebra

Incidence graphs of generalised quadrangle and hexagon

Sage convert SymbolicRing equation to symbolic expression

• QuotientRing
• SymbolicRing
• symbolic-expression
• lift
• symbolic-variables

How to define a manifold for representing PDEs in vectorial form?

• manifolds
• pde

cannot use .str() on kernel of Matrix ?

• linear-algebra

any suggestions for a lightweight browser

• browser
• 3d

Was not able to correctly evaluate the polynomial with roots of unity

Overflow in list_plot?

• list_plot
• plotting

The method lim() does not return a simple integer

28

views

1

answer

1

vote

2023-11-30 02:14:23 +0100 John Palmieri

Define elliptic curve over $\mathbb{F}_p(i)$

• Elliptic-curve
• finite-fields
• fields

92

views

1

answer

no

votes

2023-11-29 16:29:27 +0100 Max Alekseyev

Cyclotomic Polynomials and Primitive Roots of Unity

• roots-of-unity
• CyclotomicField

Plotting a Möbius transformation

• plotting
• modular-forms

27

views

1

answer

no

votes

2023-11-29 00:56:35 +0100 Max Alekseyev

Coercion - polynomial in two variable/polynomial in one variable over function field

• polynomials
• coercion

I want to calculate the Riemann tensor and Kretschmann scalar for Kerr- De Sitter spacetime but it is taking too long and not giving any answer please help

• maniflods

Error related to ellipsis has wrong line number.

• ellipsis
• interpreter
• SyntaxError

53

views

1

answer

no

votes

2023-11-27 18:05:37 +0100 John Palmieri

How can I animate this in Jupyter Notebook? Any animation will do

What is the algorithm used for polyhedra intersection?

• polyhedra
• polyhedron
• intersection

Expand cos(2*pi/n) for n=5, 17, 257, 65537 to Radicals (Fermat prime numbers)

• expand
• trig_expand
• trig_simplify

Indexes in Linear programming

• linear
• programming

symbolic function with a variable list of parameters [closed]

How to define a vector field over a chart?

• vectorfield

Wrong result for gradient in spherical coordinates [closed]

• sagemanifolds

How to express (-t^2 + x^2 + y^2 + z^2) as (x_μ)^2 ?

• manifolds
• sagemanifolds
• symbolic-expression

differential (1-form) simplifies a bit too much

• simplify
• manifolds
• sagemanifolds

239

views

no

answers

1

vote

2023-11-24 13:29:46 +0100 FrédéricC

Automate the code for Topological recursion

• Residue
• recursion
• algebraic-structures
• AlgcCombinatorics

64

views

1

answer

no

votes

2023-11-24 13:12:53 +0100 rburing

How to divide two polynomials in GF(2)[x] and get result in same type as of operands

• division_polynomial