nbruin's profile - overview

● Guru   × 1

• Loading a 5GB dictionary of matrices uses up all of 64GB RAM

● Citizen Patrol   × 1

• Uncomplicated cpu cooler Plans Around The Usa

● Great Answer   × 2

• How do I define (and work with) a set of matrices?
• Loading a 5GB dictionary of matrices uses up all of 64GB RAM

● Nice Answer   × 85

• How to get a list of monomials of a given degree
• How to compute an ideal of specific norm?
• arithmetic with matrices of formal functions
• Saving the output of "interact" session.
• Any reason not to use cpdef for every Cython function?
• Elliptic Curve on FF points are expressed as 3 numbers?
• why is symbolic comparison so slow?
• Factor out roots
• Eigenvalues of matrices of Laurent polynomials
• How do I define (and work with) a set of matrices?
• Assigning variables in a list
• multiplication matrix in number field
• Elliptic curve isogenies: kernel polynomial not monic
• How do I identify the set of words of given length in matrix generators
• Solving symbolic equation set gives wrong answers when compared to MATLAB code
• points on elliptic curve number field
• How to find Kernel of a Matrix in $\mathbb{Z}/n$
• how to convert a sage 1-row matrix into tuple ?
• What is the effect of declaring a polynomial `sparse'?
• Singular objects break after using in Sage
• Finding order of a polynomial over finite field
• Replacing mathematical functions of expressions with different mathematical functions of the same expression
• SAGE multiplication in 2^8
• Find all n-torsion of an elliptic curve
• Memory leak when doing ANF of boolean functions?
• echelon_form not giving reduced echelon form
• Variable overrites function defined previously
• Concerning "bits of precision"
• identity matrix
• Overflow when defining points on elliptic curve
• Difference between RealNumber and RealLiteral
• Exponential change of variables in symbolic ring
• Define function over symbolic ring
• Hermite form, entries reduced over pivots
• Sage wrongly suggests there are only trivial solutions, why?
• How to calculate the double factorial in SageMath?
• How to extend ring homomorphism to polynomial ring (or its fraction field)
• Is K = QQ[polynomial_root] the same as K.<a> = QQ.extension(polynomial)?
• Mixing %cython and @interact in one cell
• How to display all the symbolic variables and functions?
• How to end a running script inside a "if" statement
• Eigenvalues of matrix with entries in polynomial ring
• HUGE delay in sage.crypto.sbox.SBox method nonlinearity() introduced in v.8.2
• @parallel Parallel Pollard-Rho
• How to access variables from libsingular?
• timeout does not work with maxima. Ok with others
• NameError: name 'Integer' is not defined
• Making a dictionary of matrices, and save the session
• Function of symbolic array elements
• Is there any difference between the variables b and *b in these two statements? If so, what is it?
• Rename Lambda in weight space
• Evaluate from string an equation that has integer division
• Substitute differential operators in an expression.
• another 'how to save a plot' question
• Can I alias a sage command?
• Loading a 5GB dictionary of matrices uses up all of 64GB RAM
• Extracting coefficients of multivariate polynomials?
• What an efficient way to construct a n by n matrix with all entries -1?
• How to define $\mathbb{Q}_p(\sqrt{5})$ and $\mathbb{Q}_p (\sqrt{5} ,\sqrt{3})$ and find their valuation rings for $p=7$?
• solving a system of equations, depending on only a subset of variables
• What model for propagation of uncertainty is used in sage for functions with RIF variables?
• How to write a standalone cython script?
• How to create a symbolic arbitrary dimensional zero vector?
• How to recreate traceback?
• Complex numerical integration: how can it be performed in SageMath?
• Output of @interact disappears when exporting Jupyter notebook to HTML
• Sagemath refuses to load singular curve
• Possible bug needs confirmation: Fricas can't handle "ln"
• Residue in complex analysis
• can sage return a list of numbers from solve() instead of expressions?
• Cython: undeclared name not builtin
• Sage @fork Parallel Decorator Breaking Interface to Singular
• Should I avoid using unicode in names of variables?
• Is it error in Sage or mwrank
• Symbolic expression of `sng()` which isn’t zero at `sgn(0)`
• Interact in Jupyterlab vs Jupyter
• What is the point 𝑃1=(−1,3) on the y^2=7𝑥4+𝑥3+𝑥2+𝑥+3 curve and the point corresponding to P on the x^2=x^3−250/3x−124927 curve?
• Rational parametrization of plane curves. Is this a bug?
• Print function in notebook not recognizing backspace character
• What are these extra terms in symmetric polynomial calculations?
• How to get a solution from an ideal in a polynomial ring when it is nonzero codimensional?
• How to make Sage know that a set is an ideal
• Echelon form in cython
• Is it possible to substitute $U^\prime$ to $D_0(U)$ ?
• Using Sage's save and load methods leads to high memory usage

● Associate Editor   × 1

• finding the order of a matrix in GL(3,Z)

● Enlightened   × 1

• points on elliptic curve number field

● Teacher   × 1

• how to do a Backward integration using ode_solver?

● Necromancer   × 15

• Simplify trigonometric expression
• Any reason not to use cpdef for every Cython function?
• Python thing that doesn't work in Sage, works in pure Python
• maxima is eating up all the memory
• gap record
• Factor out roots
• Extracting coefficients of multivariate polynomials?
• p-part of a class group
• points on elliptic curve number field
• Lazy evaluation of derivatives of an unknown function
• Eigenvalues of matrix with entries in polynomial ring
• NameError: name 'Integer' is not defined
• Is it possible to run (may be partially) Sage with Python 3?
• How to get a list of monomials of a given degree
• How to create a symbolic arbitrary dimensional zero vector?

● Supporter   × 1

• Implicit differentiation displays extraneous x variable.

● Enthusiast   × 1

● Editor   × 1

• Computing maximal orders in relative extensions

● Critic   × 1

• How do i get free gems in Clash of Clans?

● Commentator   × 1

• Is there a way to update an expression with new variable values?

● Good Answer   × 27

• Elliptic Curve on FF points are expressed as 3 numbers?
• How do I define (and work with) a set of matrices?
• points on elliptic curve number field
• Replacing mathematical functions of expressions with different mathematical functions of the same expression
• SAGE multiplication in 2^8
• Define function over symbolic ring
• Overflow when defining points on elliptic curve
• Sage wrongly suggests there are only trivial solutions, why?
• How to calculate the double factorial in SageMath?
• How to find Kernel of a Matrix in $\mathbb{Z}/n$
• Mixing %cython and @interact in one cell
• Is K = QQ[polynomial_root] the same as K.<a> = QQ.extension(polynomial)?
• timeout does not work with maxima. Ok with others
• Is there any difference between the variables b and *b in these two statements? If so, what is it?
• another 'how to save a plot' question
• Can I alias a sage command?
• Loading a 5GB dictionary of matrices uses up all of 64GB RAM
• What an efficient way to construct a n by n matrix with all entries -1?
• How to define $\mathbb{Q}_p(\sqrt{5})$ and $\mathbb{Q}_p (\sqrt{5} ,\sqrt{3})$ and find their valuation rings for $p=7$?
• How to write a standalone cython script?
• Output of @interact disappears when exporting Jupyter notebook to HTML
• Possible bug needs confirmation: Fricas can't handle "ln"
• Should I avoid using unicode in names of variables?
• Hermite form, entries reduced over pivots
• Complex numerical integration: how can it be performed in SageMath?
• Interact in Jupyterlab vs Jupyter
• Echelon form in cython