FIC MATLAB 2017-1/Aula-10

%-- 05-04-2017 19:07:55 --% clc x = 0:0.01:4*pi 4*pi y = cos(x) plot(x, y) hold on z = sin(x); stem(x, z) x x(1:50:end) z(1:50:end) hold off hold on subplot(2,1,2) stem(x(1:50:end), z(1:50:end)) hold on plot(x, z, 'r') bars(x(1:100:end), z(1:100:end)) bar(x(1:100:end), z(1:100:end)) z(1) clear all x = 0:8 y = x.^2 plot(x, y) grid on hold on stairs(x, y) clc clear x = 1 : 0.1 : 1000; y = 1 / (1 + x^2) y = 1 / (1 + x.^2) y = 1 ./ (1 + x.^2); subplot(2,2,1) plot(x,y) grid on subplot(2,2,2) semilogx(x, y) grid on subplot(2,2,3) semilogy(x, y) grid subplot(2,2,4) loglog(x, y) grid on loglog(x, y, 'bo') x = 1 : 1 : 1000; y = 1 ./ (1 + x.^2); loglog(x, y, 'bo') x = logspace(0, 3, 1000); y = 1 ./ (1 + x.^2); loglog(x, y, 'bo') x = 1 : 1 : 50; y = 1 ./ (1 + x.^2); loglog(x, y, 'bo') x = logspace(0, 3, 50); y = 1 ./ (1 + x.^2); loglog(x, y, 'bo') rad2deg(pi/6) lookfor degree rad2deg(pi/6) convert2deg (pi/6) t = 0:0.01:6*pi; r = linspace(1, 0, length(t)); help polar polar(t, r) figura figure plot(t, r) r = logspace(1, 0, length(t)); polar(t, r) figure plot(t, r) %-- 05-04-2017 20:50:05 --% clc x = linspace(0, 4*pi, 1000); y = 2*sin(x); z = 30*cos(2*x); plotyy(x, y, x, z) legend('tensao (V)', 'corrente (mA)') doc plotyy help comet doc comet t = 0:.01:2*pi; x = cos(2*t).*(cos(t).^2); y = sin(2*t).*(sin(t).^2); comet(x,y); clc % Plots em 3D t = 0:0.1:10*pi; x = cos(t); y = sin(t); z = t; figure plot3(x,y,z) grid on xlabel('x'); ylabel('y'); zlabel('z') view(-90,0) view(0,0) % Grade 3D [X,Y] = meshgrid(-5:5); x = -5:5; y = 0:4; x y clc x = -5:5 y = 0:4 [X,Y] = meshgrid(x,y) [X,Y] = meshgrid(x) [X,Y] = meshgrid(-20:0.5:20); R = sqrt(X.^2 + Y.^2) + eps; Z = sin(R)./R; mesh(X,Y,Z) eps surf(X,Y,Z) shading flat shading faceted shading interp shading flat shading interp surfc(X,Y,Z) contour(X,Y,Z) surfc(X,Y,Z) meshc(X,Y,Z) surfc(X,Y,Z) shading interp meshz(X,Y,Z) waterfall(X,Y,Z)