gsl-shell.git - gsl-shell

diff --git a/examples/3d.lua b/examples/3d.lua
deleted file mode 100644
index 2ba4d878..00000000
--- a/examples/3d.lua
+++ /dev/null

@@ -1,26 +0,0 @@

-

-use 'math'

-

-require 'plot3d'

-

-function demo1()

- local x = |u,v| (1 + 1/2 * v *cos(u/2))*cos(u)

- local y = |u,v| (1 + 1/2 * v *cos(u/2))*sin(u)

- local z = |u,v| 1/2 * v * sin(u/2)

- return graph.surfplot({x, y, z}, 0, -1, 2*pi, 1, {gridu= 60, gridv= 4, stroke= true})

-end

-

-function demo2()

- local f = |x, y| exp(-(x^2+y^2))*sin(x)

- return graph.plot3d(f, -4, -4, 4, 4, {gridx= 31, gridy= 31})

-end

-

-function demo3()

- local f = |x, y| x^2 - y^2

- return graph.plot3d(f, -3, -3, 3, 3, {stroke= true})

-end

-

-echo([[

-demo1() - Plot the mobieus strip using a parametric rapresentation

-demo2() - Plot example of function f(x,y) = exp(-(x^2+y^2))*sin(x)

-demo3() - Plot example of function f(x,y) = x^2 - y^2]])