1set table "methods-collated.poly.table"; set format "%.5f" 2set format "%.7e";; set samples 100; set dummy x; plot [x=-2:2] sgn(x)*(abs(x)**(1./3)) ;
set table "methods-collated.poly.table"; set format "%.5f"
set format "%.7e";; set samples 100; set dummy x; plot [x=-2:2] sgn(x)*(abs(x)**(1./3)) ;