249 questions

vector_field.apply_map before and after vector.display (weird behaviour)

• vector_field
• apply_map
• display

Divergence of inverse square

• divergence
• dirac_delta

prove an identity for any integer

• symbolic
• symbolic-expression
• symbolic-variables
• combinatorics

Systematically outputting sign vectors of restricted hyperplane arrangement

• Hyperplane
• subspace

Integer programming bi-indexed variables.

• integer
• programming

Customizing sage objects latex behaviour

• latex
• Jupyter
• Configuration
• typesetting

Elementwise functions for deep learning

• elementwise
• softmax
• deep-learning
• sigmoid

614

views

2

answers

1

vote

2021-03-26 23:55:46 +0100 Juanjo

How to find second order differential equation from general solution?

• differential_eqns

1k

views

2

answers

1

vote

2021-03-27 01:06:21 +0100 Juanjo

How to show that two given functions are linearly dependent

• independence
• dependence
• differential_eqns

Why `unable to convert (sin(h(x)), cos(h(x))) to a symbolic expression`?

• symbolic-expression

Running a for cycle in parallel

• parallelization
• for-loop
• optimization

How to define functions with varying number of variables

• symbolic
• function
• definition
• substitution

A certain polyhedron-related computation: any way to get it quicker?

• polyhedra
• computation_time

Performance of PolynomialRing evaluation

• performance
• polynomial
• ring
• evaluation

Function which works with a vector define from outside not from inside

• vector

differential equation

• diffequation
• graphics
• constant

Gradient (nabla)

444

views

1

answer

1

vote

2021-07-22 19:49:55 +0100 John Palmieri

Defining vector partition functions in sage

• partitions

enriched contour plot

• contour_plot
• points

How to add two vectors in polar coordinates

• vectors
• cylindrical
• coordinates
• polar

support() and coefficients() in combinatorial free modules

• CombFreeModule
• CyclotomicField
• kernel

Evaluating gradient of numerically approximated function

• numerical
• integral
• field
• vector
• gradient

full metric transform

• Methods
• sagemanifolds

Tubular surface around curve

386

views

1

answer

no

votes

2022-01-23 23:12:19 +0100 Max Alekseyev

Symbolically evaluate abstract cryptographic operations

• cryptography
• encryption
• finite-field
• symbolic

Equation for hyperplane of a reflection - Try to do TODO on reflection group sage page

• coxetergroup
• Hyperplane
• linear_algebra
• linear_equations

Monte_carlo Integration and Gauss coil formula

• numerical
• integration
• monte-carlo

1k

views

1

answer

no

votes

2022-06-07 12:23:08 +0100 Sébastien Palcoux

Fastest way to solve non-negative linear diophantine equations

• quick
• diophantine
• linear_equations
• positive
• partition

2k

views

1

answer

2

votes

2022-06-13 00:55:59 +0100 Max Alekseyev

Sage crash when computing variety for an ideal with many variables

• variety
• ideal
• crash

Solving Ax = 0 (non-trivially)

• matrix
• equation-system