Application of Improved GM (1, 1) Model in Prediction of Training Results of 100 Meter Race

Table 1

Centre frequency when K takes different values.

Modal number	Mode 1	Mode 2	Mode 3	Mode 4	Mode 5	Mode 6	Mode 7
K = 3	0.3302	49.0777	1259.9356
K = 4	0.3122	47.9613	389.0407	1124.6955	–	–	–
K = 5	0.2892	46.3993	401.7423	724.7962	1228.8592	–	–
K = 6	0.2073	45.3196	58.8815	692.9071	859.7751	1051.3571	–
K = 7	0.1864	45.8472	94.4105	583.015	789.7616	977.7406	1296.2591