state-machine based execution environment based on Harel statecharts. MichaelSipser(2006), Introduction to the Theory of Computation, Second Edition, Thomson
理論告訴我們圖靈機在給予更多時間之後,保證能解決更多的問題。 舉例:必然存在問題是圖靈機可以用n2的時間解決,但是不能用n的時間解決。 MichaelSipser. Introduction to the Theory of Computation. PWS Publishing. 1997. ISBN 0-534-94728-X