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wu :: forums    riddles    putnam exam (pure math) (Moderators: SMQ, Eigenray, towr, Icarus, william wu, Grimbal)    inequality: upper and lower bounds of sum x_i « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: inequality: upper and lower bounds of sum x_i  (Read 1407 times) anonymous Guest inequality: upper and lower bounds of sum x_i   « on: Jun 27th, 2003, 11:02am » Quote Modify Remove Let xi (i=1,2,...,n) be non-negative real numbers such that   Find the upper bound and lower bound of [sum]i=1 to i=n xi   // thread title modified by William Wu on 3:54 AM 8/31/2003; please use slightly more descriptive titles, thank you « Last Edit: Aug 31st, 2003, 3:55am by william wu » IP Logged Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------  - easy   - medium   - hard   - what am i   - what happened   - microsoft   - cs => putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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