333 questions

358

views

1

answer

1

vote

2021-11-17 04:38:51 +0100 ErWinz

evaluation of hessian in some point

140

views

no

answers

1

vote

2021-11-26 18:03:04 +0100 ErWinz

trunc of a 3D surface not very clean

Manipulate dummy variable after solving trig

• solve
• to_poly_solve
• dummy
• variable
• substitute

How can I easily create and handle polynomials with symbolic coefficients?

• polynomial
• coefficients
• equation
• system
• solve

Equations involving indices of binomial coefficients

• series
• binomial

Algorithm on modular forms not working

• modular_forms
• hecke_operator
• algorithm

Using "Z with subscript" parameters in `solve` solutions

• solve
• solution

Solve with the assumption z!=0

• equation

384

views

3

answers

no

votes

2022-03-01 14:09:26 +0100 ErWinz

interfaces of SageMaths

implicit3D region

Error from integration using mpmath quad

• python
• mpmath
• integral_equation
• numerical_integral

implicit plot 3d for a triangle

1k

views

1

answer

no

votes

2022-03-13 21:21:57 +0100 Max Alekseyev

Solve system of symbolic binary nonlinear equations

• grobner-basis
• binary

Integers, or "Integers"?

• diophantine
• symbolic-expression

Residue calculation in Sagemath

• Residue
• algebraic-structures
• polynomials
• complex-analysis
• computations

1k

views

1

answer

no

votes

2022-05-20 20:43:09 +0100 Max Alekseyev

Solve equation of matrices over integers

• linear-algebra
• rings
• linear_equations

4k

views

3

answers

1

vote

2022-06-06 18:13:16 +0100 Max Alekseyev

Solving multilinear integer equations

• solve
• diophantine
• integer

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

671

views

2

answers

2

votes

2022-07-13 20:44:32 +0100 Juanjo

Parametric surface with the range of one variable depending on the other variable

• parametric_plot3d

Why, in any equation, are repeated solutions given by Sage only once?

Equation solution returns unequal values for supposedly equal variables

• symbolic-functions
• symbolic-expression
• solver

plot the the intersection of two surfaces in 3d, use of a special colour for the intersection

• 3D-plots

How to get result - diophantines equation

• diophantine

Plotting systems of linear equations with 3 variables

• linear_equations
• 3_variables
• 3dplotting
• linear_systems

What mathematical procedure does sagemath use to solve these types of systems? Is there a better process?

Switching coordinate charts mid-integration with solve_across_charts

• sagemanifolds
• integrated_geodesic
• geodesics
• coordinates

Conditional sum

• calculus

Special linear group of finite ring is finite

• groups
• Subgroups
• ideals

Plot the intersection of two surfaces

• plot3d