一、计算连续方程Lyapunov指数的程序 其中给出了两个例子： ! e@% u9 j* =lyapunov(n,tstart,stept,tend,ystart,ioutp); global DS; global P; global calculation_progress first_call; global driver_window; global TRJ_bufer Time_bufer bufer_i; % % Lyapunov exponent calcullation for O ...
Wolframfs monumental best seller entitled A new kind of science was based almost entirely on brute-force computer simulations. In sharp contrast, this lecture presents a rigorous analytical theory based on attractors from a nonlinear dynamics perspective. New results and concepts to be presen ...
In his remarkable new book, Stephen Wolfram asserts that cellular automata operations underlie much of the real world. He even asserts that the entire Universe itself is a big cellular-automaton computer. But Ray Kurzweil challenges the ability of these ideas to fully explain the complexities of li ...
Three to four weeks after conception, one of the two cell layers of the gelatin-like human embryo,now about one-tenth of an inch long, starts to thicken and build up along the middle. As this flat neural plate grows, parallel ridges, similar to the creases in a paper airplane, rise across its surfa ...
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