39 questions

Writing a matrix as a sum of matrices

• matrix
• sum
• partition

plot_vector_field returning blank screen

• vector
• field
• dynamics

finding the order of a matrix in GL(3,Z)

A goat in a tether

• numerical_integral

142

views

1

answer

no

votes

2023-11-19 05:35:14 +0100 Max Alekseyev

An infinite continued fraction of $x^n$

• continued_fractions

How to create 31-tuples with nonnegative entries that sum to 1

• tuples
• sequences
• convex

Infinite Density Function - What is the mathematical name?

• infinite
• Infinite_set
• number-theory

651

views

1

answer

no

votes

2017-08-19 20:16:54 +0100 fidbc

fractional_chromatic_index in sage-7.6 gets stuck in loop adding constraints

• LP
• graphs
• sagemath7.6

create a sequence symbolically and then find a series based on this sequence

• symbolic

How can I find the sum of fibonacci (1) + (2) + (4) + (7) + (11) + (16) + ... ?

• sum
• fibonacci
• term
• sequence
• number

Why is 'sum( diff(sin(x),x,n), n,1,2)' zero?

• syntax

Help summing an infinite series

• PowerSeries
• numerical_approx
• summation

Not recognizing infinite sum as zeta function?

• infinite_sum
• zeta

Finding the maximum on an interval and find root

• find_root
• maximum

Can you specify an explicit curve by specifying its x,y points ?

• explicit
• curve
• interpolation
• Derivatives
• numerical_integral

multivariate power series computation with recognition

• PowerSeries
• multivariate

Calculate FOC of a simple economics problem

• summation
• derivation
• lagrangian

Coefficients of infinite polynomial products

• infinite
• polynomial

Defining family of multivariable polynomials

• symbolic-expression
• polynomial

1k

views

1

answer

1

vote

2018-07-01 12:42:17 +0100 rburing

Solving a power series equation

• PowerSeries
• solve

541

views

1

answer

1

vote

2020-08-12 10:54:26 +0100 rburing

A 2-codim polynomial ideal of normal-basis [0], meaning?

• groebner_basis
• equations
• normal-basis
• ideal
• PolynomialRing

601

views

1

answer

1

vote

2019-08-21 11:04:41 +0100 rburing

Computing a formula in SAGE

• calculus
• algebra

Typing in a command of an adding-to-infinity sum

• infinity
• sum
• command
• adding
• type

698

views

1

answer

1

vote

2018-10-24 19:02:46 +0100 rburing

formal series over InfinitePolynomialRing

• InfPolynomialRing
• PowerSeries

function parameters as sum limits

• function-definition
• parameters

colored jones polynomial function does not return

• knot-theory
• knot-invariant
• colored-jones

How I can test this equality with sage?

• equality
• test

1k

views

1

answer

1

vote

2012-12-30 11:11:17 +0100 petropolis

Problem with infinite sum

• infinite_sum

Compute power series

• infinite_sum
• power_series

327

views

2

answers

2

votes

2022-02-03 13:27:30 +0100 rburing

Infinitely many variables

• symbolic
• symbolic-variables