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stem_plot.m
x = [ 1 2 3 4 5 6];
y = [ 2 6 8 7 8 5];
stem(x,y);
title('\bfExample of a Stem Plot');
xlabel('\bf\itx');
ylabel('\bf\ity');
axis([0 7 0 10]);
bar_plot.m
x = [ 1 2 3 4 5 6];
y = [ 2 6 8 7 8 5];
bar(x,y);
title('\bfExample of a Bar Plot');
xlabel('\bf\itx');
ylabel('\bf\ity');
axis([0 7 0 10]);
fig6_12b_test_surf.m
[x,y] = meshgrid(-4:0.2:4);
z = exp(-0.5*(x.^2+0.5*(x-y).^2));
surf(x,y,z);
title('\bfSurface Plot');
xlabel('\bfx');
ylabel('\bfy');
zlabel('\bfz');
test_contour2.m
[x,y] = meshgrid(-4:0.2:4);
z = exp(-0.5*(x.^2+0.5*(x-y).^2));
[c,h]=contour(x,y,z);
clabel(c,h);
title('\bfContour Plot');
xlabel('\bfx');
ylabel('\bfy');
zlabel('\bfz');
fig6_12c_test_contour.m
[x,y] = meshgrid(-4:0.2:4);
z = exp(-0.5*(x.^2+0.5*(x-y).^2));
contour(x,y,z);
title('\bfContour Plot');
xlabel('\bfx');
ylabel('\bfy');
zlabel('\bfz');
compass_plot.m
x = [ 2 -2 1 3 -1];
y = [ 2 2 -2 1 -3];
compass(x,y);
title('\bfExample of a Compass Plot');
grid on
stair_plot.m
x = [ 1 2 3 4 5 6];
y = [ 2 6 8 7 8 5];
stairs(x,y);
title('\bfExample of a Stair Plot');
xlabel('\bf\itx');
ylabel('\bf\ity');
axis([0 7 0 10]);
barh_plot.m
x = [ 1 2 3 4 5 6];
y = [ 2 6 8 7 8 5];
barh(x,y);
title('\bfExample of a Horizontal Bar Plot');
xlabel('\bf\ity');
ylabel('\bf\itx');
axis([0 10 0 7]);
fig6_12a_test_mesh.m
[x,y] = meshgrid(-4:0.2:4);
z = exp(-0.5*(x.^2+0.5*(x-y).^2));
mesh(x,y,z);
title('\bfMesh Plot');
xlabel('\bfx');
ylabel('\bfy');
fig2_12.m
x = 0:0.1:10;
y = x.^2 - 10.*x + 26;
figure(1)
subplot(2,2,1)
plot(x,y);
title ('Linear Plot');
xlabel ('x');
ylabel ('y');
grid on;
subplot(2,2,2)
semilogx(x,y);
title ('Semilog x Plot');