KenCarp low tol kinda working on KdV pseudo-spectral

Author: GodotMisogi

benchmarks/SimpleHandwrittenPDE/kdv_spectral_wpd.jmd

@@ -86,25 +86,25 @@ plt = heatmap(xs, tslices, ys', xlabel = "x", ylabel = "t")
 
 
 ```julia
-abstols = 0.1 .^ (7:10)
-reltols = 0.1 .^ (4:7)
+abstols = 0.1 .^ (8:10)
+reltols = 0.1 .^ (5:7)
 setups = [
     Dict(:alg => KenCarp3()),
-    # Dict(:alg => KenCarp4()),
+    Dict(:alg => KenCarp4()),
     # Dict(:alg => KenCarp5()),
     Dict(:alg => KenCarp3(linsolve=KrylovJL_GMRES())),
-    # Dict(:alg => KenCarp4(linsolve=KrylovJL_GMRES())),
+    Dict(:alg => KenCarp4(linsolve=KrylovJL_GMRES())),
     # Dict(:alg => KenCarp5(linsolve=KrylovJL_GMRES())),
     Dict(:alg => ARKODE(Sundials.Implicit(), order=3, linear_solver=:GMRES)),
     Dict(:alg => ARKODE(Sundials.Implicit(), order=4, linear_solver=:GMRES)),
     Dict(:alg => ARKODE(Sundials.Implicit(), order=5, linear_solver=:GMRES)),
 ]
 labels = hcat(
     "KenCarp3",
-    # "KenCarp4",
+    "KenCarp4",
     # "KenCarp5",
     "KenCarp3 (Krylov)",
-    # "KenCarp4 (Krylov)",
+    "KenCarp4 (Krylov)",
     # "KenCarp5 (Krylov)",
     "ARKODE3 (Krylov)",
     "ARKODE4 (Krylov)",