Matematikada Coshc funktsiyasi optik tarqalish haqidagi hujjatlarda tez-tez uchraydi,[1] Heisenberg bo'sh joy[2] va giperbolik geometriya.[3] Sifatida aniqlanadi[4][5]
![operatorname {Coshc} (z) = { frac { cosh (z)} {z}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/6d758c7593070586c5e807265771374726a0d9da)
Bu quyidagi differentsial tenglamaning echimi:
![w (z) z-2 { frac {d} {dz}} w (z) -z { frac {d ^ {2}} {dz ^ {2}}} w (z) = 0](https://wikimedia.org/api/rest_v1/media/math/render/svg/7453f5124eedf17f1f00a9e470d15d8b0a29f62a)
Coshc 2D uchastkasi
Coshc '(z) 2D uchastkasi
- Murakkab tekislikdagi xayoliy qism
![operatorname {Im} chap ({ frac { cosh (x + iy)} {x + iy}} o'ng)](https://wikimedia.org/api/rest_v1/media/math/render/svg/e87e7df9c933a8b70b7ddc9b839327c49d436d78)
- Murakkab tekislikdagi haqiqiy qism
![operatorname {Re} chap ({ frac { cosh (x + iy)} {x + iy}} o'ng)](https://wikimedia.org/api/rest_v1/media/math/render/svg/8e4e1b6c12eeaead811fda9265906d68c91ea937)
- mutlaq kattalik
![chap | { frac { cosh (x + iy)} {x + iy}} o'ng |](https://wikimedia.org/api/rest_v1/media/math/render/svg/252c7462ef8890a9d37871b8dd15d1faf2c10672)
- Birinchi tartibli lotin
![{ displaystyle { frac { sinh (z)} {z}} - { frac { cosh (z)} {z ^ {2}}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/ace82da2e460ec086c5e7fbbba9e3da712a11fa9)
- Hosilning haqiqiy qismi
![- operatorname {Re} chap (- { frac {1 - ( cosh (x + iy)) ^ {2}} {x + iy}} + { frac { cosh (x + iy)} { (x + iy) ^ {2}}} o'ng)](https://wikimedia.org/api/rest_v1/media/math/render/svg/e72cf2780cd2f18f6e8a34b3730146c3fb671748)
- Hosil qilingan lotin qismi
![- operatorname {Im} left (- { frac {1 - ( cosh (x + iy)) ^ {2}} {x + iy}} + { frac { cosh (x + iy)} { (x + iy) ^ {2}}} o'ng)](https://wikimedia.org/api/rest_v1/media/math/render/svg/5baf3609870a714c822d159514a95a1800548d2c)
- hosilaning mutlaq qiymati
![chap | - { frac {1 - ( cosh (x + iy)) ^ {2}} {x + iy}} + { frac { cosh (x + iy)} {(x + iy) ^ {2}}} o'ng |](https://wikimedia.org/api/rest_v1/media/math/render/svg/1b7b3bddaad9d98b1dfbcb31fccfc587551e9707)
Boshqa maxsus funktsiyalar bo'yicha
![operatorname {Coshc} (z) = { frac {(iz + 1/2 , pi) {{ rm {M}}} (1,2, i pi -2z)} {{{ rm {e}}} ^ {{(i / 2) pi -z}} z}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a2c25a5bfa99303d53ef959faba1fd98af4e0c09)
![operator nomi {Coshc} (z) = { frac {1} {2}} , { frac {(2 , iz + pi) operator nomi {HeunB} chap (2,0,0,0, { sqrt {2}} { sqrt {1/2 , i pi -z}} o'ng)} {{{ rm {e}}} ^ {{1/2 , i pi -z} } z}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/1d76801f2edac01244ebb0d3c033461b1400d7f5)
![operatorname {Coshc} (z) = { frac {-i (2 , iz + pi) {{{ rm {{ mathbf W} hittakerM}}} (0, , 1/2, , i pi -2z)}} {(4iz + 2 pi) z}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/8c2953207a90bf3648d72dbfbf81ba69cf541eed)
Seriyani kengaytirish
![operatorname {Coshc} z approx left (z ^ {{- 1}} + { frac {1} {2}} z + { frac {1} {24}} z ^ {3} + { frac {1} {720}} z ^ {5} + { frac {1} {40320}} z ^ {7} + { frac {1} {3628800}} z ^ {9} + { frac {1 } {479001600}} z ^ {{11}} + { frac {1} {87178291200}} z ^ {{13}} + O (z ^ {{15}}) o'ng)](https://wikimedia.org/api/rest_v1/media/math/render/svg/e9f6d70581acc4b35b4f481b7ebb2b70fda5b049)
Pada taxminiyligi
![{ displaystyle operator nomi {Coshc} chap (z o'ng) = { frac {23594700729600 + 11275015752000 , {z} ^ {2} +727718024880 , {z} ^ {4} +13853547000 , {z} ^ {6} +80737373 , {z} ^ {8}} {147173 , {z} ^ {9} -39328920 , {z} ^ {7} +5772800880 , {z} ^ {5} - 522334612800 , {z} ^ {3} +23594700729600 , z}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/534ed31ab53dcef117166e67f991c8d81e32b2ae)
Galereya
Coshc abs murakkab 3D | Coshc Im murakkab 3D syujeti | Coshc Re murakkab uchastkasi |
Coshc '(z) Im murakkab 3D syujeti | Coshc '(z) Re murakkab 3D syujeti | Coshc '(z) abs murakkab 3D chizmasi | |
Coshc '(x) abs zichlik chizmasi | Coshc '(x) Im zichlik chizmasi | Coshc '(x) Re zichlik chizmasi |
Shuningdek qarang
Adabiyotlar
- ^ PN Den Outer, TM Nieuwenhuizen, A Lagendijk, Ob'ektlarning ko'p tarqaladigan muhitda joylashishi, JOSA A, jild. 10, 6-son, 1209-1218 betlar (1993)
- ^ T Körpinar, Geyzenberg oralig'ida biharmonik zarralar energiyasini minimallashtirish bo'yicha yangi tavsiflar, Xalqaro Nazariy Fizika jurnali, 2014 Springer
- ^ Nilgün Sönmez, Giperbolik geometriyadagi Eyler teoremasining trigonometrik isboti, Xalqaro matematik forum, 2009 yil, 4-son, No. 38, 1877 1881 yil
- ^ JHM ten Thije Boonkkamp, J van Dijk, L Liu, To'liq oqim sxemasini saqlash qonunlari tizimlariga kengaytirish, J Sci Comput (2012) 53: 552-568, DOI 10.1007 / s10915-012-9588-5
- ^ Vayshteyn, Erik V. "Coshc funktsiyasi". MathWorld-Wolfram veb-resursidan. http://mathworld.wolfram.com/CoshcFunction.html[doimiy o'lik havola ]