"kxy v time
0.0000000000000	0.0000000000000
0.0250000000000	-0.5341695837442
0.0500000000000	-1.0683960477156
0.0750000000000	-1.6027363906674
0.1000000000000	-2.1372478162480
0.1250000000000	-2.6719877934394
0.1500000000000	-3.2070140931508
0.1750000000000	-3.7423848038014
0.2000000000000	-4.2781583283867
0.2250000000000	-4.8143933652276
0.2500000000000	-5.3511488743417