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Wednesday, June 20, 2012

Fungsi 3D (Matllab)

 
Fungsi ezsurf
»subplot(2,2,1)
» ezsurf('sin(x)+sin(y)')
» edit
» subplot(2,2,1)
» ezsurf('sin(x)+sin(y)')
»title('Level Kurva dari f(x,y) = sin(x)+sin(y)')
Fungsi Contourf
» subplot(2,2,2)
» %script file graph6
»%grafik z=y^2-x^2 pada domain [-1,1]x[-1,1] dan contournya
»x=-1:0.05:1;
»y=x;
» [X,Y]=meshgrid(x,y);
»Z=Y.^2-X.^2;
»contourf(Z)
»hold on
»colorbar
» [c,h] =contour(Z,'k-');clabel(c,h)
»title('Level Kurva dari z=y^2-x^2.')
»hold off
Fungsi Meshc
»subplot(2,2,3)
» x = -1:0.05:1;
»y = x;
» [xi, yi] = meshgrid(x,y);
»zi = (yi.^2) - (xi.^2);
»meshc(xi, yi, zi)
»axis off
Fungsi Plot3
»subplot(2,2,4)
» %script file graph4
»%kurva r(t) = (t*cos(t),t*sin(t),t)
»t=-10*pi:pi/100:10*pi;
»x=t.*cos(t);
»y=t.*sin(t);
»h=plot3(x,y,t);
»title('Kurva r(t) = (t*cos(t),t*sin(t),t)')
»xlabel('x')
»ylabel('y')
»zlabel('z')
»grid



Soal Latihan SPLDV

Soal No. 1 Diberikan dua persamaan linier 2x + y = 12 dan x − y = 3 . Tentukan nilai x dan nilai y dengan menggunakan metode eliminasi! Pem...