a basic big-oh problem# CS - 计算机科学p*t2008-01-15 08:011 楼if d=O(f) and e=O(g), prove (d+e)=O(f+g).Can I do it like this:d<=cf and e<=cg, so (d+e)<=c(f+g). is it correct?
j*n2008-01-15 08:012 楼No【在 p***t 的大作中提到】: if d=O(f) and e=O(g), prove (d+e)=O(f+g).: Can I do it like this:: d<=cf and e<=cg, so (d+e)<=c(f+g). is it correct?
k*n2008-01-15 08:013 楼思路是这样,但是得严格按照定义来证【在 p***t 的大作中提到】: if d=O(f) and e=O(g), prove (d+e)=O(f+g).: Can I do it like this:: d<=cf and e<=cg, so (d+e)<=c(f+g). is it correct?