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I solved a differential equation using Mathematica using NDsolve, I get some solution, but I

only know how to plot it in Mathematica. The problem is that I need the data - numbers -

and I want to work with then a finally make the graph using gnuplot. Is there any way how

can I cat data in text format?

Export["*.txt", f[t] /. sol, "Table"] but the output was in useless format - I need two columns from

which a could make my own chart . . .

Thaks a lot and sorry for my english.