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penghui299 2010-04-21 10:34

求助 matlab绘图问题
 
我要绘制一个(26530395678209226457619503764425*cos(50*t +1172225986512927/1125899906842624))/10384593717069655257060992658440192 - (3921262612261847544424056738285*cos(50*t - 2867198305555969/2251799813685248))/664613997892457936451903530140172288 - (9691159285721898847827030356517*cos(50*t + 3489485939873631/2251799813685248))/20769187434139310514121985316880384这样的三角函数,为什么最后结果不是光滑的曲线,而是折线,甚至还会有断点?求高手指点

mathjiang 2010-04-21 16:59

回复: 求助 matlab绘图问题
 
没有问题:
>>t = linspace(0.pi/25,100);
>>s = (26530395678209226457619503764425*cos(50*t +1172225986512927/1125899906842624))/10384593717069655257060992658440192 - (3921262612261847544424056738285*cos(50*t - 2867198305555969/2251799813685248))/664613997892457936451903530140172288 - (9691159285721898847827030356517*cos(50*t + 3489485939873631/2251799813685248))/20769187434139310514121985316880384;
plot(t,s)

不知道怎么贴图片。


所有时间均为北京时间。现在的时间是 12:22

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