Plots of arrays and fields

Plotting for arrays of data Z(x, y) and fields U(x, y), V(x, y).

imshow(Z)

imshow(Z)

pcolormesh(X, Y, Z)

pcolormesh(X, Y, Z)

contour(X, Y, Z)

contour(X, Y, Z)

contourf(X, Y, Z)

contourf(X, Y, Z)

barbs(X, Y, U, V)

barbs(X, Y, U, V)

quiver(X, Y, U, V)

quiver(X, Y, U, V)

streamplot(X, Y, U, V)

streamplot(X, Y, U, V)