ezplane

Plot an arbitrary 3D plane given its equation.

This submission provides ezplane(), a simple function for plotting a plane given its equation. The equation is represented as a 1x4 vector. Namely, the plane A*x+B*y+C*z+D=0 would be plotted with the syntax ezplane([A,B,C,D]).

Note that the plane needn't necessarily be expressible as a surface z(x,y), as illustrated by Example 2 below. Note also that this function deliberately avoids the use of fimplicit3(), which at this time has problems rendering planes.

Example 1: The unit simplex

ezplane([1,1,1, -1]);
xlabel x; ylabel y; zlabel z; grid on;axis equal
axis([0 1 0 1 0 1]*1.3)

Example 2: Pass additional arguments specifying surface properties

ezplane([1,1/2,0, -1],'FaceColor','red');
xlabel x; ylabel y; zlabel z; grid on;axis equal
axis([0 1 0 1 0 1]*2.1)