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somomo91
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csgt0: ½ð±Ò+2, лл 2013-07-23 11:33:33
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Óñê×¼µÄMATLAB ³ÌÐòµÄ»°£¬ÈçÏ£¬ ҪעÒâµÄÊÇ£¬ÒòΪÎÒ²»ÖªµÀÄãµÄ²ÎÊý x a b m c£¬Ëæ±ãÈ¡ÁËÖµ£¬ËùÒÔÕâ¸ö³ÌÐò²»ÄÜÕýÈ·ÔËÐУ¬Èç¹ûÄãµÄ²ÎÊýÕýÈ·µÄ»°£¬Ó¦¸ÃûÓÐÎÊÌâµÄ ================================= clear£»clc global x a b m c a = 1; b = 1; c = 1; m = 1; y_ini = [1, 0, 0]; t0 = 0; tend = 1e3; tspan = t0:0.5:tend; x = sin(tspan); [t,y] = ode45(@equ_sys, tspan, y_ini); ============ function [ dy ] = equ_sys( t, y ) global x a b m c dy = zeros(3,1); y1 = y(1) ; y2 = y(2) ; y3 = y(3) ; dy(1) = -a*y1/y3^m-b*y3*x(t) ; dy(2) = -a*y2/y3^m-2*y1*x(t) ; dy(3) = (1-y3)/a/y3^m-c/y3^m*(y1*x(t))^0.5; end |
6Â¥2013-07-19 23:37:33
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2Â¥2013-07-19 10:57:22
aqua426
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3Â¥2013-07-19 10:59:06
aqua426
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7Â¥2015-01-29 21:22:33
somomo91
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8Â¥2015-01-29 21:25:56
СȻAxin
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9Â¥2016-11-22 09:29:41
zhouzi1857
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10Â¥2018-04-10 00:09:02









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