Jednorozměrná interpolace

x1 = linspace(0,2*pi,60);
x2 = linspace(0,2*pi,6);
plot(x1, sin(x1), x2, sin(x2),'--')
xlabel('x')
ylabel('sin(x)')
title('Linear Interpolation')

x = 1:5;
y = x.^1.9;
interp1(x,y, [2.5, 3.8], 'linear')
[2.5^1.9 3.8^1.9]
interp1(x,y, [2.5, 3.8], 'cubic')