t = Table[Tan[i], {i, -Pi, Pi, .01}];
plot = ListLinePlot[t];
Использование Position
Position[plot, Line[___], Infinity]
{{1, 1, 3, 2}, {1, 1, 3, 3}, {1, 1, 3, 4},{1, 1, 3, 5}, {1, 1, 3, 6}}
Использование Part
:
plot[[1, 1, 3, 5 ;; 6]] = Sequence[]; Show[plot]