328 questions

Plotting families (depending on integer parameter(s)) of curvilinear coordinate and isolevel lines and surfaces, resp. for functional and parametric surfaces, and for 3-variate scalar fields and volume deformations in 3D

• curvilinear
• coordinates

Late binding and lazy symbolic thence numeric math

• late_binding
• lazy_evaluation

Suggestions for improving speed

• dynamics
• vector
• field
• animation

Solving Simultaneous Equations: How to Exclude Imaginary Numbers? [closed]

Solving Simultaneous Equations: Excluding Imaginary Numbers

• symbolic_issue

Multivariable taylor series with relationship between variables

• multivariable
• taylor

logistic differential equation

• logistic
• desolve

Computations with complex algebraic numbers?

• polynomial
• complex-numbers
• algebraic_number
• roots

How to embed a 3D matplotlib figure in the notebook interface?

• matplotlib
• sage-notebook
• 3D-plots

Want to create a generic series with indexed coeffs, e.g. a[1], a[2],...

• power_series
• asymptotics
• solve
• simultaneous

Variables in a polynomial

• polynomial
• variable

Solving a simple system of inequalities

• inequalities
• symbolic

Solving symbolic equation set gives wrong answers when compared to MATLAB code

Represent field element in normal basis

• normal
• basis

Solving system of ODEs

• differential_eqns

Solving polynomial equations with Groebner basis in $\mathbb{R}$

• polynomial
• groebner_basis
• equation-system

Plot the intersection of two surfaces (or solutions of a system of eqs)

• plot
• intersection
• implicit_plot3d
• equations
• system

Plot intersections of two relations

• 3dplotting
• 3D-plots
• 3dplot

get range of values for inequalities

• inequalities

Using solve() to find positive real solutions to a complex equation

• solve
• complex
• assume
• real

numerical computation of roots (maple equivalent of fsolve) of a system of nonlinear equations with multiple variables parameters

• numerical
• multivariate
• system
• nonlinear

Solve trigonometric equation

• solve
• trigonometric

solving systems of equations returns [] Redux

• solve
• equation
• system

How to solve ODE y'' - 4y' + y - x = 0 using rk4?

• desolve_rk4

How to use SageMath to solve this equation?

• equation

Plotting point when coordinate involves symbolic and numerical values

• point
• zeta
• TypeError
• symbolic-expression

Customizing the wireframe / strides of a 3D plot

• 3dplotting
• mesh
• wireframe

solve x^y == z (for x)

• assume
• integer

problem with conjugate() of a function

• approximation
• conjugate
• pole

How to find a polynomial identity to evaluate sum of fifth powers?

• polynomial