Numerics

Topic	Replies	Views	Activity
Frédéric Goualard found an inexactness in our rand() random	19	1178	September 8, 2022
Solving 2D poisson equation in polar coordinates (finite differences) finitediff , differentialequation , approxfun	20	6488	September 7, 2022
Performance with intermittent singleton dimensions performance , copy	11	609	September 3, 2022
Arithmetic with a specified (low) number of digits float , rounding	1	426	September 3, 2022
Good solver for nonlinear diffusion PDE with source? diffeq , differentialequation	1	509	August 31, 2022
LinearSolve and SparseArrays: reuse factorization for multiple right-hand side vectors?	2	574	August 29, 2022
BigFloat converted to string returns different number? numbers , bigfloat	8	617	August 28, 2022
@btime of cis Function slower than writing it again performance , benchmarktools	2	427	August 25, 2022
Threads not working in julia 1.8.0	6	1290	August 22, 2022
Julia DynamicalSystems package for calculating Recurrence Matrices package	1	284	August 22, 2022
Building on OrdinaryDiffEq.jl vs DiffEqBase.jl question , package , diffeq , ordinarydiffeq	3	1158	August 20, 2022
Time it takes to multiply two floats float	2	449	August 18, 2022
Create a function of derivatives in Symbolics.jl symbolics	5	1057	August 17, 2022
Best way to take derivatives of unevenly spaced data (with interpolations? discrete derivatives?) intervals , interpolations	38	5472	August 17, 2022
Implementing the tensor algebra functor question , package , linearalgebra , tensors , functors	0	523	July 10, 2021
Q: FiniteDifferences \| gradient of a 3D scalar array question	5	1043	August 13, 2022
How do I do a fast cumulative integration integral	8	2671	August 11, 2022
Why is it `Inf` and not `inf` if `typeof(Inf) == Float64`	1	349	August 10, 2022
Changing domain for Fourier question , approxfun , feature-request	5	473	August 9, 2022
Numerical integration of vector-valued functions using Julia packages integral	3	1338	August 6, 2022
Question on how to define equation system in DiffEq using Matrix form question , diffeq	1	305	August 4, 2022
Problem with SymPy. Symbolic calculation of Sturm chains (Sturm sequence) for polynomials question , polynomials , sympy	2	477	August 3, 2022
Is there any way to optimize array additions and multiplications with transposes? tullio , tensors	27	1704	August 2, 2022
Any conjugate gradient method allowing a custom inner product? question	5	660	July 30, 2022
Control of Time-Step size in OrdinaryDiffEq ordinarydiffeq	4	552	July 29, 2022
Growing cell population using callback diffeq	10	533	July 29, 2022
Unbounded Numerical Integration, non-centered integral	3	392	July 29, 2022
Update on future developement of BVP solvers? question , package , differentialequation	6	726	July 27, 2022
ApproxFun and Burgers' equation pde , approxfun	6	1348	July 26, 2022
Strange Memory Allocations with DifferentialEquations question , memory , memory-allocation , differentialequation	3	383	July 26, 2022