load '../../main.plt' load '../all.plt' set output 'rms.3D.res.1-3.order.4.eps' set title "3-D Interpolation Error Data, order 4" plot 'rms.out' u 1:4 t 'Mesh 1' w lp, \ '' u 1:8 t 'Mesh 2' w lp, \ '' u 1:12 t 'Mesh 3' w lp;