simplify example 55

2021-07-01 21:41:35 +02:00 · 2021-07-01 21:41:35 +02:00 · 1523ef67d5
commit 1523ef67d5
parent e049b082f3
1 changed files with 7 additions and 5 deletions
--- a/src/examples.jl
+++ b/src/examples.jl
@ -1169,15 +1169,17 @@ const _examples = PlotExample[
        [
            :(
              begin
-                meshgrid(x, y) = (ones(eltype(y), length(y)) * x', y * ones(eltype(x), length(x))')
+		using LinearAlgebra
 		scalefontsizes()
                scalefontsizes(.5)

-                x, y = meshgrid(-6:0.5:10, -8:0.5:8)
-                r = sqrt.(x .^ 2 + y .^ 2) .+ eps()
-                z = sin.(r) ./ r
+                x, y = -6:0.5:10, -8:0.5:8
+		function f(x,y)
+		  r = norm([x,y])
+		  sin(r) / (r + eps())
+		end

-                args = x[1, :], y[:, 1], z[:]
+                args = (x, y, f)
                kwargs = Dict(
                    :xlabel => "x", :ylabel => "y", :zlabel => "z",
                    :grid => true, :minorgrid => true, :dpi => 200