"kxx v time
0.0000000000000	0.0000000000000
0.0250000000000	0.0114420147544
0.0500000000000	0.0228853605635
0.0750000000000	0.0343314832093
0.1000000000000	0.0457820031016
0.1250000000000	0.0572387436434
0.1500000000000	0.0687037270274
0.1750000000000	0.0801791422525
0.2000000000000	0.0916673009408
0.2250000000000	0.1031705956422
0.2500000000000	0.1146914719007