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wu :: forums    riddles    general problem-solving / chatting / whatever (Moderators: SMQ, Eigenray, towr, Grimbal, william wu, ThudnBlunder, Icarus)    impossibility of equality along finite interval « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: impossibility of equality along finite interval  (Read 8395 times) jarls Newbie     Posts: 32 impossibility of equality along finite interval   « on: Nov 7th, 2009, 9:06pm » Quote Modify Prove that no two distinct closed-form functions can be equal to one another along a non-zero finite interval. IP Logged Obob Senior Riddler     Gender: Posts: 489 Re: impossibility of equality along finite interva   « Reply #1 on: Nov 7th, 2009, 10:01pm » Quote Modify Here's the key ingredient:   http://en.wikipedia.org/wiki/Identity_theorem 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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