a = [1 2 3 4 6 4 3 4 5]
b = a + 2
plot(b)
grid on
bar(b)
xlabel('Sample #')
ylabel('Pounds')
plot(b,'*')
axis([0 10 0 10])
A = [1 2 0; 2 5 -1; 4 10 -1]
B = A'
C = A * B
C = A .* B
b = [1;3;5]
x = A\b
r = A*x - b
eig(A)
svd(A)
p = round(poly(A))
roots(p)
q = conv(p,p)
r = conv(p,q)
plot(r);
whos
A
sqrt(-1)