"kxx v time
0.0000000000000	0.0000000000000
0.0250000000000	-0.6206372707232
0.0500000000000	-1.2414548189200
0.0750000000000	-1.8626332552207
0.1000000000000	-2.4843537998815
0.1250000000000	-3.1067985171238
0.1500000000000	-3.7301505085039
0.1750000000000	-4.3545940706020
0.2000000000000	-4.9803148216967
0.2250000000000	-5.6074998015580
0.2500000000000	-6.2363375480150