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ApproxFun.jl NEWS

notes on release changes, ongoing development, and future planned work

0.11

  • Split into ApproxFunBase.jl, ApproxFunFourier.jl, ApproxFunOrthogonalPolynomials.jl, and ApproxFunSingularities.jl

0.10.4

  • Update for latest BandedMatrices.jl
  • Support for symmetric discretizations
  • Bug fixes

0.10.3

  • Bug fixes
  • Update for latest BlockBandedMatrices.jl

0.10.2

  • Bug fixes for special functions on large intervals

0.10.1

  • Update for latest BlockBandedMatrices.jl

0.10.0

  • Use DomainSets.jl for representing domains
  • Use InfiniteArrays.jl for representing block sizes
  • Improve support for Laguerre
  • Remove bandinds in favour of bandwidths
  • Fixes for Hermite polynomials
  • Support latest BandedMatrices and BlockBandedMatrices

0.9.0

  • Upgrade to Julia v1.0
  • Improve support for Heaviside functions

0.8.2

  • Support integrating WeightedLaguerre
  • Prepare for Julia v0.7

0.8.1

  • Support BandedMatrices v0.5
  • Bug fixes and minor improvements

0.8.0

  • In-place transform functionality for Fourier
  • Use BandedBlockBandedMatrices.jl for more reliable solution of PDEs
  • Adds jumplocations for finding discontinuities of a piecewise Fun (thanks lcw)
  • Adds KroneckerDelta (thaks marcusdavidwebb)
  • Improvements for BigFloat with JacobiWeight
  • Fix several bugs and performance enhancements

0.7.1

  • F was renamed DFunction for dynamic function
  • Funs are now subtypes of Function
  • Support f^k for polynomial f and real k
  • Fix several bugs and performance enhancements

0.7.0

  • Examples moved to ApproxFunExamples repository
  • vcat, hcat and hvcat of operators now returns an Operator
  • Dirichlet and Neumann operators supported in 1D, replacing dirichlet and neumann
  • Improved broadcasting over a Fun
  • Add multivariate DefiniteIntegral
  • Evaluation(first)/Evaluation(last) now used for evaluating at the boundary of an interval
  • Fast evaluation for SumSpace and PiecewiseSpace
  • Support general AbstractVector coefficients, to allow for sub-views
  • Simplifies Space and Domain templated variables
  • No longer abuses vector notation for PiecewiseSpace, SumSpace and TensorSpace
  • Drops support for Julia v0.5

0.6.1

0.6.0

  • Adds support for Julia v0.6
  • Replaces FixedSizeArrays.jl dependency with StaticArrays.jl
  • Auto-vectorization f([1,2,3]) is removed in favour of broadcasting f.([1,2,3])

0.5.0

  • Drops support for Julia v0.4
  • Uses IntervalSets.jl to support a..b
  • Uses Padua points for Chebyshev()^2 transform

0.4.1

  • linsolve(A,b;kwds...) -> \(A,b;kwds...)
  • transform(sp::Space,v,plan) -> plan*v
  • PeriodicSegment() now defaults to PeriodicSegment(0,2π)
  • points(::Chebyshev,n) has reversed the order
  • Fun(cfs::Vector,sp::Space) --> Fun(sp::Space,cfs::Vector)
  • Interval(a,b) --> Segment(a,b) when a and b are not real-valued
  • Fun(f,[a,b]) --> Fun(f,a..b), provided a < b are real-valued

0.4.0

  • Revamped PDE solving to use qrfact