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Was going through the unicode math symbols and realized they include ⨍ and ⨎. Surely We can use these somehow for writing hilbert?? This would be cool if it worked:
x=Fun(identity)
⨍(exp(x)*sqrt(1…
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Are the bessel functions not supported? I was trying out the very first example, but instead of sin and cosine I am using the besselJ0. The rest of the codes are just copy and paste from the documenta…
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This seems nice, but abuses notation.
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Basically, what we need to get working again is:
``` julia
x = Fun(identity)
w = 1/sqrt(1-x^2)
H = Hilbert(space(w))
H[w]
```
I think the code you showed me (then I added in the tests file) for the …
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I'm trying to construct a vector-valued `Fun` as follows, but it doesn't seem to be a proper `Fun`. (It seems to work with `FFun`, though)
```
julia> y0 = Fun(x->[1.0, 0.0])
Fun{VectorDomainSpace{2,U…
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This will allow \ for BigFloat.
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The CHEBGUI toggle for ULTRAS and COLLOC does not change the discretization type for eigenvalue problems.
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Currently you can specify `cheboppref.setDefaults('discretization',@ultraS)` and then `cheboppref` lists the discretization as `UltraS` (minus the `@` sign, with U capitalized).
On the other hand you…
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Should we somehow 'normalise' the sign of eigenfunctions returned by `@chebop/eigs` so that we get the 'same' result from collocation and ultraspherical approaches. (The difference might be confusing …
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I've coded up a PDE solver in version 5 (see `feature-chebfun2-pde`). It can solve variable coefficient linear PDEs defined on rectangles with smooth solutions. It can also deal with solutions with mi…