In [8]:

    

L = 11
P0 = zeros(L)
P0[(L+1)/2] = 1.


    

    
Out[8]:





1.0

In [9]:

    

P0


    

    
Out[9]:





11-element Array{Float64,1}:
 0.0
 0.0
 0.0
 0.0
 0.0
 1.0
 0.0
 0.0
 0.0
 0.0
 0.0

In [12]:

    

P_vieja = P0
P_nueva = zeros(P_vieja)


    

    
Out[12]:





11-element Array{Float64,1}:
 0.0
 0.0
 0.0
 0.0
 0.0
 0.0
 0.0
 0.0
 0.0
 0.0
 0.0

In [14]:

    

for i in 2:length(P_nueva)-1
    P_nueva[i] = 0.5 * (P_vieja[i-1] + P_vieja[i+1])
end


    

In [15]:

    

P_nueva


    

    
Out[15]:





11-element Array{Float64,1}:
 0.0
 0.0
 0.0
 0.0
 0.5
 0.0
 0.5
 0.0
 0.0
 0.0
 0.0

In [16]:

    

P_vieja = P_nueva   # MALO -- NO SIRVE
# LOS DOS NOMBRES SE REFIEREN AL MISMO PEDAZO DE MEMORIA


    

    
Out[16]:





11-element Array{Float64,1}:
 0.0
 0.0
 0.0
 0.0
 0.5
 0.0
 0.5
 0.0
 0.0
 0.0
 0.0

In [17]:

    

P_vieja = copy(P_nueva)
# CREA MEMORIA NUEVA PARA P_vieja


    

    
Out[17]:





11-element Array{Float64,1}:
 0.0
 0.0
 0.0
 0.0
 0.5
 0.0
 0.5
 0.0
 0.0
 0.0
 0.0

In [18]:

    

P_vieja[:] = P_nueva
# REEMPLAZA LOS VALORES DE P_vieja EN EL MISMO LUGAR DE LA MEMORIA


    

    
Out[18]:





11-element Array{Float64,1}:
 0.0
 0.0
 0.0
 0.0
 0.5
 0.0
 0.5
 0.0
 0.0
 0.0
 0.0

In [19]:

    

P_vieja, P_nueva = P_nueva, P_vieja

temp = P_vieja
P_vieja = P_nueva
P_nueva = temp


    

    
Out[19]:





11-element Array{Float64,1}:
 0.0
 0.0
 0.0
 0.0
 0.5
 0.0
 0.5
 0.0
 0.0
 0.0
 0.0

In [20]:

    

Pkg.add("Interact")


    

    




INFO: Nothing to be done
INFO: METADATA is out-of-date — you may not have the latest version of Interact
INFO: Use `Pkg.update()` to get the latest versions of your packages

In [21]:

    

using Interact


    

In [22]:

    

@manipulate for i=1:10
    i^2
end


    

    












    
Out[22]:





25

In [24]:

    

using PyPlot


    

    




INFO: Loading help data...

In [25]:

    




    

    
Out[25]:





Figure(PyObject <matplotlib.figure.Figure object at 0x114d49ad0>)

In [36]:

    

using Interact
using PyPlot

fig = figure(figsize=(4,2))
x = [-5:0.01:5]

@manipulate for i=1:10, j=1:10
    withfig(fig) do
        plot(x, cos(x*i + j))
    end
end


    

    












    












    
Out[36]:

In [ ]: