我快疯了，怎么都是这个错误呢！
??? Error using ==> chckxy at 51The data sites should be distinct.
Error in ==> spline at 55
= chckxy(x,y);
Error in ==> emd>getspline at 54
s = spline(,,1:N);
Error in ==> emd at 13
s1 = getspline(x1);
Error in ==> Untitled38 at 37
imf = emd(y);
什么程序都显示这个错误提示，各位高手你们给看看这是怎么回事呢？
本人是菜鸟，琢磨不透！
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