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ECO3145 (11)
Lecture

Lecture 1.pdf

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Department
Economics
Course
ECO3145
Professor
Leslie Shiell
Semester
Fall

Description
ECO 3145 Mathematical Economics I Lecture 1 Some Mathematical ToolsChiang ch 6 7174 76 8184 9194 111114I Univariate functions1 derivative2 second derivative II Multivariate functions1 derivative partial derivativeconsider a functionxxfn1xxffn1 notation or fixxii definition xxxxxfxxhxxxfxxfn1ii1i1n1ii1i1n1 lim0hhxi intuitiontotal derivative xxdfdfn1notation or dxdxiifdf if the x are all independent variables thenixdxii however consider case when some of the x are functions of the others i egxgx12 then the function can be written as f xxxgxn311dfdgffdf using the chain ruleevaluatedxdxxxdx11211 intuition31451doc Shiell 1
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