using Interact

@manipulate for n in 1:100
    rand(n,n)
end

using Color
@manipulate for r in 0:0.1:1, g in 0:0.1:1, b in 0:0.1:1, n in 1:100
    linspace(RGB(0,0,0), RGB(r,g,b), n)
end

using PyPlot

x = linspace(0,10,1000)
f = figure()
@manipulate for α = 1:0.1:4, β = 1:0.1:4, leg="a funny plot"
    withfig(f) do
        plot(x, cos(α*x + sin(β*x)))
        legend([leg])
    end
end

using SymPy
x = sym"x"
@manipulate for n=0:20
    latex(SymPy.diff(sin(x^2), x, n))
end