439 questions

Problem with the minus sign in symbolic expression

How to change linestyle of 2d vector field plots

• plot2d

Semimonomial transformation group

• group_theory
• orbit
• gap

2D Gaussian integrals

• limits
• definite-integral
• gaussian
• symbolic-integration

Multivariate polynomial cannot be evaluated at vector despite length being correct

• multivariate
• polynomial
• TypeError

503

views

1

answer

1

vote

2019-07-29 15:23:36 +0100 FrédéricC

Extremal Rays of a Cone

• linear-algebra
• cones
• linear-programming

Divergence of inverse square

• divergence
• dirac_delta

Use vector as variable for diff but as values for calculation

• vector
• symbolic-expression
• callable

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

How to define functions with varying number of variables

• symbolic
• function
• definition
• substitution

1k

views

1

answer

1

vote

2015-05-13 16:35:01 +0100 John Palmieri

Naming of Plot Commands in Sage

• graphics

How to define conditionaly two vector from one

• algebra

1k

views

1

answer

1

vote

2021-10-29 14:47:57 +0100 rburing

Differentiate vector field w.r.t a variable not defining the chart

• derivative
• manifolds
• chart
• variables

Parallelizing symbolic matrix*vector computations for sparse matrices and vectors

• parallelization
• SparseMatrix
• sparse

1k

views

1

answer

1

vote

2020-03-05 16:05:38 +0100 Juanjo

plotting a Surface gradient

How to return a list from callable symbolic expression

• list
• callable
• symbolic
• expression

762

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

When Must I Use `lambda`?

• lambda

How to use linear algebra inside of MixedIntegerLinearPrograms?

Derivation of a sagemanifold vector (possible bug)

• sagemanifold
• diff
• TypeError
• vector-fields

1k

views

1

answer

1

vote

2018-05-16 20:55:18 +0100 John Palmieri

span of a matrixspace

• matrices
• SparseMatrix
• spanning

Can I convert integermod_int to int?

• vector

How to calculate element-wise matrix functions in Sage

• elementwise
• matrixfunction
• matrixcomponent

error using minimize_constrained

• minimize_constrained
• error
• local
• global
• variable

How do I do map/element-wise operations?

1k

views

1

answer

no

votes

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

Warning against a deprecated function

• programming