sequencia de comandos q eu procurava: x=[1 2 3 4 5;1 2 3 4 5;1 2 3 4 5;1 2 3 4 5;1 2 3 4 5] x = 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 >> y=[1 1 1 1 1;2 2 2 2 2;3 3 3 3 3;4 4 4 4 4;5 5 5 5 5] y = 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 >> z=[4 18 15 20 3; 5 19 13 21 4;3 18 14 22 5; 2 17 12 19 2;4 16 14 18 4] z = 4 18 15 20 3 5 19 13 21 4 3 18 14 22 5 2 17 12 19 2 4 16 14 18 4 >> stem3(x,y,z,'MarkerFaceColor','g') >> ylabel('Eixo y') >> stem3(x,y,z,'MarkerFaceColor','g') >> plot3(x,y,z,'+'),grid >> contour(z,9) >> contour(x,y,z) >> surf(z) >> surf(x,y,z) >> stem3(x,y,z,'MarkerFaceColor','g') >> plot3(x,y,z,'+'),grid >> contour(z,9) >> contour(z,25) >> contour(x,y,z) >> resolvido, para quem precisar..bola pra frente...T+