439 questions

Divergence of inverse square

• divergence
• dirac_delta

How tho pass an indexed variable to a function ?

• programmation

Variable not found while trying to plot a parametric phase portrait

• plot_vector_field
• interaction

Polynomial coefficient vector to symbolic polynomial

• polynomial

Statistical checks for regression, covariance, etc?

• statistics
• coincidence
• pattern
• classification

Normalize vector to euclidean unit length

• vector
• normalize
• L2-norm
• feature-request
• method

Can you fix the orientation of the axes in plot3d when using @interact?

• interact

how to import a math command "df(x,y)/dx + int_a^b f(x,z) f(y,z) dz" in sage when f is an unknown function of two variables in 3d space?

• function-definition
• symbolic-functions

How to define conditionaly two vector from one

• algebra

h_vectors of simplicial complexes

• h_vector
• SimplicialComplex

768

views

1

answer

no

votes

2023-10-04 13:14:27 +0100 rburing

Column space of a matrix

• matrices
• columns

Elementwise functions for deep learning

• elementwise
• softmax
• deep-learning
• sigmoid

How to create a Sage directory of all functions?

• functionnames
• functionarguments
• functiondepth
• functiondirectory

How to use linear algebra inside of MixedIntegerLinearPrograms?

Derivation of a sagemanifold vector (possible bug)

• sagemanifold
• diff
• TypeError
• vector-fields

plot_vector_field returning blank screen

• vector
• field
• dynamics

Abstraction In Math (Sage) vs Programming (Sage)

• abstraction
• vector_calculus

Gradient (nabla)

How to calculate element-wise matrix functions in Sage

• elementwise
• matrixfunction
• matrixcomponent

Visualizing softmax

• vector

error using minimize_constrained

• minimize_constrained
• error
• local
• global
• variable

Is it possible to run GAP code in Sage?

• database_gap
• functions
• gap

Sum of two vectors

• vector
• sum
• symbolic
• ring

1k

views

1

answer

no

votes

2020-05-27 20:07:37 +0100 rburing

Warning against a deprecated function

• programming

How to use the divergence of a finite function as the source term of another problem

• FEniCS
• finite
• Element
• method

How to permute strings from two lists (or vectors)

• list

Unflatten a vector

• matrix

313

views

1

answer

no

votes

2025-01-17 16:51:16 +0100 Max Alekseyev

Implementing linear maps and their inverses in SageMath and Magma

• magma
• function-fields
• finite-fields

"==" with symbolics is doing unwanted boolean comparison

• equation
• equality
• boolean
• evaluation

487

views

1

answer

no

votes

2024-09-11 20:37:29 +0100 Max Alekseyev

Splitting of a (1,-1) square matrix into (0,1) and (0,-1) summands satisfying certain conditions

• matrices
• linear-algebra