Questions - ASKSAGE: Sage Q&A Forum

491

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2

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no

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2023-11-26 15:44:38 +0200 eric_g

Wrong result for gradient in spherical coordinates [closed]

sagemanifolds

1k

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2

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no

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2023-11-28 15:26:45 +0200 eric_g

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

1k

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2

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no

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2023-11-27 11:28:22 +0200 geroyx

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

810

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2

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no

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2023-12-09 11:08:43 +0200 eric_g

Plotting transition-of-transition fails with "cannot evaluate symbolic expression"

1k

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2

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no

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2023-12-24 14:56:28 +0200 eric_g

How can I connect Jupyter with SageMath kernel?

jupyter-kernel

638

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2

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no

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2023-12-25 10:49:55 +0200 DrWGL

Command matrix() not work, but worked before

jupyter-kernel

2k

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2

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no

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2024-01-10 23:20:23 +0200 Emmanuel Charpentier

Tutorial example matrix multiplication

487

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2

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no

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2024-01-17 17:35:56 +0200 ron_talbot

Small Scale Variants of the AES (SR)

585

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2

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no

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2024-01-27 13:55:09 +0200 Emmanuel Charpentier

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

679

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2

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no

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2024-02-08 19:39:45 +0200 David Coudert

all_simple_paths generates AttributeError for graphs

461

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2

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no

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2024-02-09 03:54:27 +0200 Max Alekseyev

Quick check that an elliptic curve has composite order

EllipticCurve

536

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2

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no

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2024-02-16 02:24:03 +0200 dan_fulea

round function for matrices ?

808

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2

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no

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2024-03-06 21:32:24 +0200 FrédéricC

rational canonical form

rational_form

658

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2

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no

votes

2024-02-18 23:20:42 +0200 RuudH

Ghost numbers when using ARB

808

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2

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no

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2024-05-04 09:27:32 +0200 Peter Luschny

Finding all integer solutions of binary quadratic form

QuadraticForm

574

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2

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no

votes

2024-02-22 18:29:31 +0200 Max Alekseyev

Pythagorean triple count

524

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2

answers

1

vote

2024-02-27 14:12:04 +0200 Emmanuel Charpentier

Float-point precision in instantiation of point in Hyperbolic geometry module

hyperbolic_geometry

537

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2

answers

1

vote

2024-03-01 07:09:49 +0200 Emmanuel Charpentier

Polynomial factorization

608

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2

answers

2

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2024-02-29 19:50:53 +0200 Max Alekseyev

How define a graph where edges are defined using a condition?

graphtheory

795

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2

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no

votes

2024-03-05 20:00:01 +0200 John Palmieri

Functions of the elements of a matrix

analysis

2k

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2

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no

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2024-03-04 19:53:49 +0200 Max Alekseyev

How to solve system of equations in polynomial ring over GF with a different variables

454

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2

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no

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2024-03-28 21:53:36 +0200 Emmanuel Charpentier

Simple complex definite integral fails

829

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2

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no

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2024-03-27 18:50:27 +0200 dan_fulea

sum of 2 squares

sum_of_squares

583

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2

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no

votes

2024-04-01 12:14:54 +0200 Emmanuel Charpentier

Wrong answer for complex integral with maxima

1k

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2

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1

vote

2024-04-01 16:32:07 +0200 rburing

Solutions to Matrix Equation which are elements of a polynomial ring.

701

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2

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1

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2024-04-29 13:22:08 +0200 dan_fulea

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

880

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2

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no

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2024-05-07 11:53:37 +0200 sagequstions

Poset of intervals of a poset up to isomorphism

posets

521

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2

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no

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2024-05-15 21:02:34 +0200 Max Alekseyev

From this collection, I want to find (if there is any) three matrices A,B,C satisfying A+B=C

665

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2

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no

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2024-06-08 09:46:26 +0200 Emmanuel Charpentier

How to solve a system of differential equations

733

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2

answers

1

vote

2024-06-13 17:59:53 +0200 jipilab

12756 questions

Wrong result for gradient in spherical coordinates [closed]

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

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

Plotting transition-of-transition fails with "cannot evaluate symbolic expression"

How can I connect Jupyter with SageMath kernel?

Command matrix() not work, but worked before

Tutorial example matrix multiplication

Small Scale Variants of the AES (SR)

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

all_simple_paths generates AttributeError for graphs

Quick check that an elliptic curve has composite order

round function for matrices ?

rational canonical form

Ghost numbers when using ARB

Finding all integer solutions of binary quadratic form

Pythagorean triple count

Float-point precision in instantiation of point in Hyperbolic geometry module

Polynomial factorization

How define a graph where edges are defined using a condition?

Functions of the elements of a matrix

How to solve system of equations in polynomial ring over GF with a different variables

Simple complex definite integral fails

sum of 2 squares

Wrong answer for complex integral with maxima

Solutions to Matrix Equation which are elements of a polynomial ring.

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

Poset of intervals of a poset up to isomorphism

From this collection, I want to find (if there is any) three matrices A,B,C satisfying A+B=C

How to solve a system of differential equations

Stanley-Reisner ideal from polytope

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