rburing's profile - overview

● Good Answer   × 71

• Multivariate polynomial cannot be evaluated at vector despite length being correct
• 3d plot theme default? (Threejs viewer)
• is this a bug?
• round function for matrices ?
• How to divide two polynomials in GF(2)[x] and get result in same type as of operands
• sol = solve([x^2+y^2+z^2==2, x^3+y^3+z^3==2,x^4+y^4+z^4==2], x,y,z)
• Trigonometric System of Quadratic Equations
• Finding all digraphs up to isomorphism for a given undirected graph using Sage
• submit a job to a supercomputer using slurm
• Unable to use substitute_function in SageManifolds
• How is "is_irreducible" function implemented in SAGE
• GB for I=ideal(x^3-3*x^2-y+1,-x^2+y^2-1) leaves out a further step.
• discrete_log?!
• Solve much slower than Mathematica for simple system
• Polynomial division in quotient rings?
• Finding a unique integer solution to a set of inequalities
• SageMath plot: Axis label only partly in LaTeX style. Why?
• G-circulant matrices
• Use expression.find with SR.wild in python scripts
• How to plot changes as a result of a parameter?
• Polynomial Substitution for only higher terms
• Define morphism of Q[i,w] in terms of i and w
• How to check that field is Number Field
• how to bold and embiggen variable using latex_name
• Problem by finding an integral
• how to define symbolic function on functions?
• Quick (trivial) Groebner basis but too long lift of one
• Groebner basis step by step
• How to create a 3D plot of a parametric equation that requires 3 variables?
• Obtaining the immanent associated to a partition
• Why am I getting a type error when I attempt to take the projective closure of this intersection?
• matrix_plot not returning any outputs in subroutines
• Cannot evaluate symbolic expression to a numerical value
• Is this a bug or intended behavior?
• How can I add arbitrary text to a Graph object
• ChainComplex() runs 24 times slower than homology()
• Substituting a differential equation into an expression
• Subtitute functions - in a differential equation - Sagemanifold
• Sagemanifold - `only_nonredundant = True` by default
• Roots of multivariable polynomials with respect to one variable?
• Extended Sage examples
• Bug in computing sum (of binomials)
• Basis of quotient ring as a vector space
• Calculating Milnor Numbers of Polynomials Using Singular via Sage
• Evaluate polynomial expression on matrices
• Iterator: amazing behavior
• Memory usage strictly increasing on Sage interactive shell
• Evaluating polynomials in Z[x] at roots of unity.
• is it possible to round numbers in symbolic expression
• Arrow length goes wild near poles in vector field plot
• vector constants and vector functions
• Automorphism group of weighted graph
• Running Sage in command-line
• What is sage equivalent to Pow in Sympy?
• The number of solutions of a polynomial system using a Gröbner basis
• I'm having trouble plotting this population differential equation with five particular solutions all on the same graph. Please help.
• meta-question: post formatting
• How do I retrieve the variables that appear in a polynomial?
• Trigonometric equation solving
• How to correctly plot x^(1/3)
• Find expansion of polynomial in an ideal
• Escape characters for LaTeX
• solve() simple equ, something is missing ?
• Show both sides of a function definition
• exact computations with algebraic numbers
• No Output Given : []
• ask.sagemath.org Y2k20 bug
• How to force numerical coefficients for non-polynomials?
• Defining 4jm Wigner symbols
• Is there a reliable way to check if an object is a vector?
• How to call a constant polynomial with lift()?

● Nice Answer   × 208

• How do I declare a static finite field Element when modulus is a prime power ?
• Multivariate polynomial cannot be evaluated at vector despite length being correct
• Trouble transforming a groebner basis
• Iterate over a finite quotient of a multivariate polynomial ring
• 3d plot theme default? (Threejs viewer)
• Elimination didn't find the correct ideal
• How can I create a proper **dense** PolynomialRing over any ring?
• The canonical labels in SageMath are different from those in nauty.
• I cannot take sqrt of units
• How to add a condition in the sum function in sage
• is this a bug?
• round function for matrices ?
• Implement Weight Orders
• How can I manipulate Clifford Algebra elements symbolically?
• Determine Two quadratic form is integer congruence (rational equivalent)?
• How to divide two polynomials in GF(2)[x] and get result in same type as of operands
• Cannot index an array - causing key error , context astropy.io
• Problems with memory usage with bliss algorithm
• Using vector with variables over a finite field
• Displaying a matrix with scalar fields
• sol = solve([x^2+y^2+z^2==2, x^3+y^3+z^3==2,x^4+y^4+z^4==2], x,y,z)
• Trigonometric System of Quadratic Equations
• Python class for the ring $\mathbb{Z}[\sqrt{d}]$ ?
• Can the bytes returned by pynauty's "certificate" function be converted into a graph format readable by Sage?
• How to get a field extension by adjoining elements
• Multiline string eats LaTeX tags due to backslash
• How to define a matrix with variables in SageMath?
• Correct syntax for "solve(f.derivative(x1,x2)==(0,0))"
• Constructing total graph
• Finding all digraphs up to isomorphism for a given undirected graph using Sage
• Multiply Arbitrary Permutations
• ExtGCD in Finite Fields
• How to make a list of polynomials callable?
• Append Set to Set
• submit a job to a supercomputer using slurm
• How is "is_irreducible" function implemented in SAGE
• Contour Plot of 1/(2*pi*sqrt(x^2 + y^2)), why is it square? How to fix it?
• How to construct a condition on the family name of a variable without notice to its index
• GB for I=ideal(x^3-3*x^2-y+1,-x^2+y^2-1) leaves out a further step.
• Can I expand a composite function symbolically in sage
• discrete_log?!
• Solve much slower than Mathematica for simple system
• How to define group actions on sagemath?
• reduce() for fraction field elements
• A question about definition of a polynomial ring.
• Finding a unique integer solution to a set of inequalities
• G-circulant matrices
• tutte_polynomial (sage, matroid theory) gives the wrong result
• SageMath plot: Axis label only partly in LaTeX style. Why?
• How to recover indices ?
• nice font in "table"
• displaysing show(f) in some color
• Volume Automatically Getting Rounded?
• Getting the trace polynomial
• Differentiate vector field w.r.t a variable not defining the chart
• Use expression.find with SR.wild in python scripts
• How to plot changes as a result of a parameter?
• Polynomial Substitution for only higher terms
• Define morphism of Q[i,w] in terms of i and w
• Compute minimal number of generators of subring
• Plot the solution of a system of equations
• Computing Ray class numbers?
• How to check that field is Number Field
• differential equation
• how can I manipulate a multiplicative group of Zmod(n)
• Verbose option for interreduced_basis() function?
• Building a homomorphism from group algebra to matrix space
• Problem by finding an integral
• how to define symbolic function on functions?
• solving for the center of the real quaternions
• how to bold and embiggen variable using latex_name
• Quick (trivial) Groebner basis but too long lift of one
• Factoring a cyclotomic polynomial mod p
• Singularity Type
• Groebner basis step by step
• How to create a 3D plot of a parametric equation that requires 3 variables?
• Obtaining the immanent associated to a partition
• matrix_plot not returning any outputs in subroutines
• Cannot evaluate symbolic expression to a numerical value
• possible bug: kernel of ring homomorphism
• How to obtain the graph having highest algebraic connectivity?
• Why am I getting a type error when I attempt to take the projective closure of this intersection?
• Plotting polynomials defined over a number field
• Automorphism group of weighted graph
• integrate results that are different from using maxima
• Elements of the Stanley-Reisner ring
• Words avoiding patterns
• Solving a differential equation - From SageManifold
• Algorithm for computing Class Group and Class Number?
• vector constants and vector functions
• Solving Groebner Basis of an ideal that includes parameters with order=lex yields non triangular equations
• Print symbolic variables like a_1 in A[1] style
• desolve initial condition involving e gives strange answer
• Valuation error when composing power series
• Strange factoring in e = (x+1)^3*(x+2)^3*(x+3)^3*(x+4)^3
• ChainComplex() runs 24 times slower than homology()
• Substituting a differential equation into an expression
• 1^1 undefined
• Express the derivative in the Hamiltonian operator in sage
• Determining Elliptic Curve Components
• Subtitute functions - in a differential equation - Sagemanifold
• Sagemanifold - `only_nonredundant = True` by default
• numerical_approx()
• How to make points smaller than size 1 in point3d?
• Conversion from symbolic expression to polynomial stuck
• How to express unknown coefficients in GF(2^8)?
• Roots of multivariable polynomials with respect to one variable?
• On function quo_rem
• Sage not detecting integers in Boolean Polynomial Ring?
• How to display complex numbers with real part before imaginary part?
• Kernel not found?
• Combine plots with built-in Maxima, trajectory in Sage available?
• Extended Sage examples
• show all view with same x size of Hanoi's Towers
• Bug in computing sum (of binomials)
• Basis of quotient ring as a vector space
• No Output Given : []
• Solving systems of congruences with Gaussian integers
• when plot()ing, where can i call .lower() and .upper() in order to get the band of uncertainty?
• Calculating Milnor Numbers of Polynomials Using Singular via Sage
• Class returning coordinates of iteration maps in a dynamical system
• Evaluate polynomial expression on matrices
• Count number of ones in a set of matrix
• Eigenvalues over symbolic ring
• Iterator: amazing behavior
• How to compute the sums of squares of elements of a quotient ring?
• Memory usage strictly increasing on Sage interactive shell
• interactive tutorial?
• Evaluating polynomials in Z[x] at roots of unity.
• is it possible to round numbers in symbolic expression
• Arrow length goes wild near poles in vector field plot
• Factoring modulo prime ideal
• What can i do about this large boolean function?
• Writing code in Notepad and copy pasting to SageMath
• Rearranging expressions to minimize negative signs
• Putting label in the right spot (upper-left) during animation
• How to put background color behind animation
• Graphs having highest second smallest laplacian eigen value from a collection
• Formal determinant of symbolic matrix
• Adding elements to a set
• How to turn the function into expression?
• Defining manifolds in a systematic way.
• Create Matrix in RREF with indeterminates
• Incorrect Eigenvalues/Eigenvectors
• Plotting a LabelledOrderedTree with duplicate labels
• Checking identity of two combinatorial expressions
• Is this a bug or intended behavior?
• Button to copy SageMath cell to clipboard
• Verma modules and accessing constants of proportionality
• Why SageMath cannot inverte this matrix?
• How can I define a field of numbers by hitting to the field of rationals two roots of the same polynomial ?
• Running Sage in command-line
• can you programmatically define a [mathematical] function?
• What is sage equivalent to Pow in Sympy?
• how find the operator type in general for an expression
• Unable to use substitute_function in SageManifolds
• Testing whether polynomial is in algebra of other polynomials
• how to best simplify/factor symbolic expressions
• symmetric group: get back conjugacy class from its generators
• The number of solutions of a polynomial system using a Gröbner basis
• Compute Groebner basis of real polynomials
• Acess bracked elements in free lie algebra element?
• I'm having trouble plotting this population differential equation with five particular solutions all on the same graph. Please help.
• meta-question: post formatting
• Why doesn't show() render latex properly?
• intersection of two free submodules
• Displaying Chessboard Graphs
• Problem with UniversalCyclotomicField?
• Some code gives error in sagemath 9 but OK in 8.9
• Problem with plotting "lambda" functions
• How do I retrieve the variables that appear in a polynomial?
• Polynomial ring with a number (to be determined) of variables
• Trigonometric equation solving
• Polynomial division in quotient rings?
• Passing Sage functions to Singular
• Why is SageMath fail to generate elements in finite field $GF(3^{15})$
• How to factorise a quantity obtained after summing?
• Compute dimension of vector subspace
• How to correctly plot x^(1/3)
• Find expansion of polynomial in an ideal
• Escape characters for LaTeX
• Navigation inside a notebook
• Why does Sage say my Groebner basis is 1?
• Toric Ideal of Point Configuration Yielding Whole Ring?
• Show both sides of a function definition
• solve() simple equ, something is missing ?
• ask.sagemath.org Y2k20 bug
• Coefficient of Polynomial of Differential Forms and displaying List for differential forms
• list_plot only showing one axis
• How to define an integral to not be evaluated
• exact computations with algebraic numbers
• substitute complex number form in a function
• how to render a latex string in a notebook cell
• extract coefficients from products and sums of descending products
• A 2-codim polynomial ideal of normal-basis [0], meaning?
• Inconsistency with Groebner basis
• Changing Parent on multivariable polynomial ring
• How to express elements in a field of prime order and power of a prime order using the same function?
• Which subgroups do conjugacy_classes_subgroups() return
• How to force numerical coefficients for non-polynomials?
• Defining 4jm Wigner symbols
• Translating GAP-output into sage for lattices
• Is there a reliable way to check if an object is a vector?
• assignment vs. subs()
• How can I add arbitrary text to a Graph object
• Plot velocity and acceleration vectors of a space curve
• How to call a constant polynomial with lift()?
• RuntimeError Groebner basis for a Boolean system

● Great Answer   × 3

• How is "is_irreducible" function implemented in SAGE
• Obtaining the immanent associated to a partition
• Extended Sage examples

● Guru   × 3

• How is "is_irreducible" function implemented in SAGE
• Obtaining the immanent associated to a partition
• Extended Sage examples

● Commentator   × 1

• Controlling Digits output for same numbers used but different outputs

● Scholar   × 1

• Free nilpotent Lie algebra of step 3 with 11 generators

● Enlightened   × 1

• ChainComplex() runs 24 times slower than homology()

● Organizer   × 1

• Free nilpotent Lie algebra of step 3 with 11 generators

● Student   × 1

• Free nilpotent Lie algebra of step 3 with 11 generators

● Teacher   × 1

• Solving a power series equation

● Supporter   × 1

• Solving a power series equation

● Autobiographer   × 1

● Editor   × 1

• TypeError : Object not iterable

● Self-Learner   × 2

• Polynomial multiplication using the DFT?
• Free nilpotent Lie algebra of step 3 with 11 generators

● Necromancer   × 4

• how to find standard monomials of an Ideal?
• how to define symbolic function on functions?
• possible bug: kernel of ring homomorphism
• solve with "excess" equations

● Critic   × 1

• Power set with group operation as symmetric difference

● Civic Duty   × 1

• desolve initial condition involving e gives strange answer

● Enthusiast   × 1

● Citizen Patrol   × 1

• Power set with group operation as symmetric difference

● Associate Editor   × 1

• Print symbolic variables like a_1 in A[1] style

● Notable Question   × 2

• Polynomial multiplication using the DFT?
• Free nilpotent Lie algebra of step 3 with 11 generators

● Popular Question   × 2

• Polynomial multiplication using the DFT?
• Free nilpotent Lie algebra of step 3 with 11 generators