439 questions

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2021-10-29 14:47:57 +0200 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

given a prime, finding where it is the list of primes

• primes
• number_theory

2k

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1

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2020-03-05 16:05:38 +0200 Juanjo

plotting a Surface gradient

How can I override the __call__ method of a matrix

• inheritance

How to return a list from callable symbolic expression

• list
• callable
• symbolic
• expression

When Must I Use `lambda`?

• lambda

Apply Functions Iteratively

• loop
• function
• matrix
• list

1k

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1

answer

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2018-05-16 20:55:18 +0200 John Palmieri

span of a matrixspace

• matrices
• SparseMatrix
• spanning

Can I convert integermod_int to int?

• vector

How do I do map/element-wise operations?

How to add two vectors in polar coordinates

• vectors
• cylindrical
• coordinates
• polar

Efficiency SAGE vs GAP

• gap4
• linear-algebra

Restricting vector field to a subset of a rectangular region

• vector-fields
• dynamical-systems

1k

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1

answer

1

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2020-05-09 19:34:31 +0200 rburing

Implicitization by symmetric polynomials

• polynomials
• SymmetricFunctions
• groebner_basis
• elimination

An algorithm on root systems' vectors "ValueError: too many values to unpack "

Recursive calculation of a characteristic polynomial

I want my plotting function to treat numbers as numbers, not variables

• linear-algebra
• confirmed_issue
• density_plot

746

views

2

answers

1

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2020-12-17 12:41:03 +0200 Juanjo

minimize_constrained works for f(x,y)=x+y but not for f(x,y)=x

• confirmed_issue

Differentiating function with fluctuating number of variables

• linear-algebra

find maximum value of F

• max_symbolic
• expressions
• sage
• function

2k

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2

answers

1

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2021-03-27 01:06:21 +0200 Juanjo

How to show that two given functions are linearly dependent

• independence
• dependence
• differential_eqns

Basic vector functions in Sage

• 3d
• vectors
• plane
• line

1k

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2

answers

1

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2015-10-08 16:34:55 +0200 fidbc

scalar^[vector]?

• vector
• matrix
• exponent

The Pleasures of 'Perp Dot' Products in Sagemath

• vector
• function
• a-Perp

Plotting 2d vector fields – how to delay function evaluation

• function
• plot
• vector_field
• confirmed_issue
• evaluation

apply functions iteratively (modified re-post)

• vector
• loop
• iteration

3k

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1

answer

1

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2018-09-01 20:28:38 +0200 rburing

vector constants and vector functions

• vector
• linear-algebra
• vector_calculus

Polynomial interpolation given a mathematic function f(x), an interval [a,b] and a natural number n

• math
• matrix
• vector
• function

use type signature in functions for matrix and vector

• matrix