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wu :: forums    general    complex analysis (Moderators: SMQ, Grimbal, william wu, Icarus, Eigenray, towr, ThudnBlunder)    question about sup and limit? « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: question about sup and limit?  (Read 9933 times) comehome1981 Newbie     Posts: 20 question about sup and limit?   « on: Feb 20th, 2009, 8:31am » Quote Modify Thanks for helping me solve the following question!!   We have         fn(x) -> f(x) pointwise   Can we conclude     lim_n sup_{x} fn(x) = sup_{x} lim_n fn(x) = sup_{x} f(x) IP Logged Eigenray wu::riddles Moderator Uberpuzzler     Gender: Posts: 1948 Re: question about sup and limit?   « Reply #1 on: Feb 20th, 2009, 9:58am » Quote Modify Try fn(x) = x/n. 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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