Gnuplot 5.4 has been released, three years after the last major release of the free-software graphing program. In this article we will take a look at five major new capabilities in gnuplot. First, we ...

Previously, we introduced the simple physical system of an electric dipole, with two equal but opposite charges placed on the z axis at 0.25 and 0.75. It should be instructive to stick with this one ...

I am looking for a graphing/plotting program that is capable of making a 3D and/or contour plots. I usually use xmgrace, but it cannot handle 3D plots. I have a file that contains a lot of x, y, z ...