Matlab - Gráficas bidimensionales y tridimensionales

%% Datos

theta = 0 : 0.1 : (2*pi);

r1 = sin(theta.^2) + cos(theta.^2);

r2 = sin(theta);

r3 = exp(theta/5);

r4 = sinh(theta);

%% Gráficas

figure;

subplot(2,2,1);

polarplot(theta,r1);

grid on;

title('r = sin(\theta^2) + cos(\theta^2)');

subplot(2,2,2);

polarplot(theta,r2);

grid on;

title('r = sin(\theta)');

subplot(2,2,3);

polarplot(theta,r3);

grid on;

title('r = e^{(\theta/5)}');

subplot(2,2,4);

polarplot(theta,r4);

grid on;

title('r = sinh(\theta)');