Matlab - Modificar margenes comando Subplot

clear all

clc, close all

n1=subplot(4,1,1);

u1=get(n1);

u1.Position

set(n1,'Position',[ 0.130000000000000   0.707258064516129   0.775000000000000   0.157741935483871 ])

plot(20*sort(rand(5,1)), 5*rand(5,1))

n2=subplot(4,1,2);

u2=get(n2);

u2.Position

set(n2,'Position',[ 0.130000000000000   0.548172043010753   0.775000000000000   0.157741935483871])

plot(20*sort(rand(5,1)), 5*rand(5,1))

n3=subplot(4,1,3);

u3=get(n3);

u3.Position

set(n3,'Position',[ 0.130000000000000   0.38899999999999    0.775000000000000   0.157741935483871]);

plot(20*sort(rand(5,1)), 5*rand(5,1),'r')

n4=subplot(4,1,4);

u4=get(n4);

u4.Position

set(n4,'Position',[ 0.130000000000000   0.239000000000000   0.775000000000000   0.157741935483871])

plot(20*sort(rand(5,1)), 5*rand(5,1))