Method for measuring dynamic characteristic similarity of complex system
A technology with dynamic characteristics and complex systems, applied in instruments, electrical digital data processing, character and pattern recognition, etc., can solve problems such as changes in research results and unreliable research results, and achieve the effect of real-time monitoring
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[0051] The abnormal mutation of the dynamic characteristics of the stock market crash in China's Shanghai and Shenzhen A stock markets in 2015 was monitored, and the data were selected from the daily closing price data of the Shanghai Composite Index and the Shenzhen Composite Index from January 1, 1993 to September 21, 2018.
[0052] like figure 1As shown, it can be seen that: (1) the evolution behavior of the dynamic characteristics of the Shanghai and Shenzhen A-share markets has a large similarity; (2) around 2000, the dynamic characteristics of the Shanghai and Shenzhen A-share markets changed abnormally, At this stage, the country is officially preparing to launch the GEM and the way of issuing new shares has been changed from an approval system to an approval system, which has led to a high investment sentiment among investors. As the market environment changes, investors make adaptive responses, and the dynamics of the market also change accordingly; (3) From 2004 to 2...
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