JuliaApproximation/ApproxFun.jl

Issues

• How do I limit the number of coefficients used?

  #774 opened 3 years ago by YichengDWu
  4

• Completely Wrong Evaluation at Point Near Zero for Fourier Series

  #947 opened 3 months ago by cdstephens
  3

• when x is the identity, f = sign(x) works while g = sign(x) - x fails because arclength is called with invalid signiture

  #946 opened 3 months ago by macd
  0

• Remove dependency on Calculus.jl

  #944 opened 4 months ago by ViralBShah
  1

• Implementing a convolution operator

  #940 opened 10 months ago by Jilhg
  7

• Cannot apply multiplication operator on Fourier() space

  #941 opened 10 months ago by Jilhg
  0

• Multiplying CosSpace() / SinSpace() of different period leads error?

  #937 opened 10 months ago by yewalenikhil65
  6

• Incorrect results for sin and cosine functions

  #939 opened a year ago by ay111
  2

• Simple error following the documentation

  #936 opened a year ago by falematte
  2

• OutOfMemoryError() when approximating a 3D function

  #938 opened a year ago by weymouth
  0

• What is the difference between adjoint and a Derivative (newton solver)?

  #935 opened a year ago by GrigorySarnitsky
  0

• No DefiniteIntegral() documentation

  #934 opened a year ago by GrigorySarnitsky
  0

• Are we able to solve this simple sturm liouville problem taken from chebfun examples?

  #930 opened a year ago by falematte
  3

• Wrong tensor product between Fourier and Chebyshev

  #929 opened a year ago by mzaffalon
  1

• Multivariate function roots

  #926 opened a year ago by falematte
  12

• Cannot use `Integral` in Newton solver

  #928 opened a year ago by eschnett
  5

• Array concatenations produce unexpected results

  #924 opened a year ago by andreasvarga
  1

• typos

  #921 opened a year ago by spaette
  1

• An issue with the built-in solver using ultraspherical spectral method

  #884 opened a year ago by Yiting687691
  0

• L2 operator

  #913 opened a year ago by rveltz
  0

• Division by Fun with root fails: `setdomain(::PiecewiseSpace,::ClosedInterval)` not implement

  #912 opened a year ago by LucasAschenbach
  0

• Changing operand order causes incorrect calculation of the infinity norm

  #907 opened 2 years ago by macd
  0

• Creating a Fun of tanh returns the zero Fun

  #908 opened 2 years ago by macd
  2

• Unreasonable number of Chebyshev coefficients required to approximate certain Gaussians

  #777 opened 3 years ago by johnbcoughlin
  2

• Rounding errors lead to empty domain error when using abs

  #906 opened 2 years ago by macd
  0

• Cumsum fails when used on the output of sign()

  #905 opened 2 years ago by macd
  0

• Newton for simple PDE gives NaN result

  #887 opened 2 years ago by dstahlke
  1

• Add the option to specify the number of coefficients

  #886 opened 2 years ago by ufechner7
  2

• cumsum(Fun(Fourier(),[1,0,1]))(0.1)=0.1??

  #807 opened 2 years ago by awegawegw
  1

• WARNING: both ApproxFunFourier and DomainSets export "Disk"; uses of it in module ApproxFun must be qualified

  #873 opened 2 years ago by jishnub
  1

• Compatibility with Symbolics.jl

  #847 opened 2 years ago by benjione
  3

• Trouble with the Fourier representaion of a constant matrix with trailing zero element

  #870 opened 2 years ago by andreasvarga
  2

• Tag v1, write JOSS paper?

  #871 opened 2 years ago by dlfivefifty
  1

• Document about solving Volterra equation (second kind)

  #862 opened 2 years ago by jianzuo
  8

• evaluate orthogonal polynomials

  #827 opened 2 years ago by alanedelman
  2

• Domain properties of functions not consistent

  #858 opened 2 years ago by benjione
  2

• Precompile fails on binder

  #856 opened 2 years ago by JakobAsslaender
  1

• Computing the Zernike polynomials coefficients?

  #848 opened 2 years ago by Veenty
  1

• InExact Error on constructing a two dimensional complex valued function in some spaces

  #770 opened 2 years ago by avleenk2312
  0

• spelling error

  #826 opened 2 years ago by alanedelman
  0

• Plot seems broken for functions that return small values

  #823 opened 2 years ago by jishnub
  1

• Documentation example on partial differential equation returned error; It has broadcasting issue

  #806 opened 2 years ago by ay111
  1

• Use Literate.jl to maintain readme examples

  #810 opened 2 years ago by jishnub
  0

• multivariate function approximation

  #805 opened 2 years ago by benjione
  2

• Implement weighted Ultraspherical{2} -> Ultraspherical{1} derivatives

  #778 opened 3 years ago by johnbcoughlin
  1

• Segfault trying to construct Legendre space on certain intervals

  #776 opened 3 years ago by johnbcoughlin
  4

• Null dimensions for matrices not supported ?

  #775 opened 3 years ago by andreasvarga
  0

• Solving PDE's on quasi-periodic domains

  #772 opened 3 years ago by bhaveshshrimali
  3

• Code running on local Julia, but failing on CI tests with Ububtu_latest and Windows_latest

  #771 opened 3 years ago by andreasvarga
  0

• setindex! is apparently not implemented for matrices of Fun's

  #769 opened 3 years ago by andreasvarga
  1