I am not a developper, I can't help to correct these warning (unfortunatly) but that's quiet annoying if one wants to make a clean worksheet, this one is not too big but sometimes it's half a page !
using ODE,Plots pyplot(size=(300,200),leg=false, guidefont=font(7), titlefont=font(7)); function oscillator(t, y) y[2] = - 3* + y[1] - y[2] / 10 end oscillator(t, y) = [y[2], - 3* + y[1] - y[2] / 10] initial = [1.0,0.0]; # Initial conditions t = float([0:0.01:50]); t,y = ode23(oscillator, initial, t) y=hcat(y...).'; WARNING: [a] concatenation is deprecated; use collect(a) instead in depwarn at ./deprecated.jl:73 while loading In[2], in expression starting on line 9