Formulas De Variable Segundo Parcial.docx

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Derivadas Ecuaciones de Cauchy-Riemann En coordenadas cartesianas

๐œ•๐‘ข ๐œ•๐‘ฃ = , ๐œ•๐‘ฅ ๐œ•๐‘ฆ

๐‘“ยด(๐‘ง) =

๐œ•๐‘ข ๐œ•๐‘ฃ =โˆ’ ๐œ•๐‘ฆ ๐œ•๐‘ฅ

๐œ•๐‘ข ๐œ•๐‘ฅ

+

๐‘–๐œ•๐‘ฃ ๐œ•๐‘ฅ

Ecuaciones de Cauchy-Riemann En coordenadas polares

๐œ•๐‘ข 1 ๐œ•๐‘ฃ = ( ), ๐œ•๐‘Ÿ ๐‘Ÿ ๐œ•๐œƒ

๐œ•๐‘ฃ 1 ๐œ•๐‘ข =โˆ’ ๐œ•๐‘Ÿ ๐‘Ÿ ๐œ•๐œƒ

๐œ•๐‘ข ๐‘–๐œ•๐‘ฃ ๐‘“ โ€ฒ (๐‘ง) = ๐‘’ โˆ’๐‘–๐œƒ ( + ) ๐œ•๐‘Ÿ ๐œ•๐‘Ÿ Ecuaciรณn de Laplace ๐œ•2โˆ… ๐œ•2โˆ… + =0 ๐œ•๐‘ฅ 2 ๐œ•๐‘ฆ 2

๐œ•2โˆ… ๐œ•โˆ… ๐‘Ÿ + ๐‘Ÿ =0 ๐œ•๐‘Ÿ 2 ๐œ•๐‘Ÿ 2

Integrales

๐‘

โˆซ ๐‘“(๐‘ง) = โˆซ ๐‘“[๐‘ง(๐‘ก)]๐‘ง โ€ฒ (๐‘ก)๐‘‘๐‘ก ๐‘Ž

๐‘

โˆซ ๐‘“(๐‘ง)๐‘‘๐‘ง = ๐น(๐‘) โˆ’ ๐น(๐‘Ž) ๐‘Ž

Teorema de Green โˆซ ๐‘“(๐‘ง) = โˆ’ โˆฌ (๐‘‰๐‘ฅ + ๐‘ˆ๐‘ฆ)๐‘‘๐‘ฅ๐‘‘๐‘ฆ + ๐‘– โˆฌ (๐‘ˆ๐‘ฅ โˆ’ ๐‘‰๐‘ฆ)๐‘‘๐‘ฅ๐‘‘๐‘ฆ ๐›พ

๐บ

๐บ

Formula Integral de Cauchy ๐‘“(๐‘ง๐‘œ) =

1 ๐‘“(๐‘ง) โˆฎ ๐‘‘๐‘ง 2๐œ‹๐‘– ๐‘ (๐‘ง โˆ’ ๐‘ง๐‘œ)

Formula integral de cauchy para derivadas ๐‘“ ๐‘› (๐‘ง๐‘œ) =

๐‘›! ๐‘“(๐‘ง) โˆฎ ๐‘‘๐‘ง (๐‘ง 2๐œ‹๐‘– ๐‘ โˆ’ ๐‘ง๐‘œ)๐‘›+1

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