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|name = Stephen King
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|title = [[Stephen King]] [[Stephen King bibliography|bibliography]]
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'''[[:en:Mexican hat wavelet]]'''
{{Navbox
| name = Vale maio/Sandbox4
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| title = <span style="color:white;">Bibliografia di</span> [[Stephen King|<span style="color:#B00000;">Stephen King</span>]]
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|group1 = [[:Categoria:Stephen King|<span style="color:yellow;">Romanzi</span>]]
|list1 = ''[[Carrie (novel)|Carrie]]'' (1974){{·w}} ''[['Salem's Lot]]'' (1975){{·w}} ''[[The Shining (novel)|The Shining]]'' (1977){{·w}} ''[[The Stand]]'' (1978){{·w}} ''[[The Dead Zone (novel)|The Dead Zone]]'' (1979){{·w}} ''[[Firestarter]]'' (1980){{·w}} ''[[Cujo]]'' (1981){{·w}} ''[[Christine]]'' (1983){{·w}} ''[[Pet Sematary]]'' (1983){{·w}} ''[[Cycle of the Werewolf]]'' (1983){{·w}} ''[[The Talisman (1984 novel)|The Talisman]]'' (1984; with [[Peter Straub]]){{·w}} ''[[It (novel)|It]]'' (1986){{·w}} ''[[The Eyes of the Dragon]]'' (1987){{·w}} ''[[Misery (novel)|Misery]]'' (1987){{·w}} ''[[The Tommyknockers]]'' (1987){{·w}} ''[[The Dark Half]]'' (1989){{·w}} ''[[Needful Things]]'' (1991){{·w}} ''[[Gerald's Game]]'' (1992){{·w}} ''[[Dolores Claiborne]]'' (1992){{·w}} ''[[Insomnia (novel)|Insomnia]]'' (1994){{·w}} ''[[Rose Madder (novel)|Rose Madder]]'' (1995){{·w}} ''[[The Green Mile (novel)|The Green Mile]]'' (1996){{·w}} ''[[Desperation]]'' (1996){{·w}} ''[[Bag of Bones]]'' (1998){{·w}} ''[[The Girl Who Loved Tom Gordon]]'' (1999){{·w}} ''[[Dreamcatcher (novel)|Dreamcatcher]]'' (2001){{·w}} ''[[Black House (novel)|Black House]]'' (2001; with [[Peter Straub]]){{·w}} ''[[From a Buick 8]]'' (2002){{·w}} ''[[The Colorado Kid]]'' (2005){{·w}} ''[[Cell (novel)|Cell]]'' (2006){{·w}} ''[[Lisey's Story]]'' (2006){{·w}} ''[[Duma Key]]'' (2008){{·w}} ''[[Under the Dome]]'' (2009)
<nowiki>{{S|matematica}}</nowiki>
|group2 = ''[[La torre nera (serie)|<span style="color:yellow;">La torre nera</span>]]''
[[Image:Wavelet - Mex Hat.png|thumb|150px|Mexican hat wavelet]]
|list2 = ''[[The Dark Tower: The Gunslinger|The Gunslinger]]'' (1982){{·w}} ''[[The Dark Tower II: The Drawing of the Three|The Drawing of the Three]]'' (1987){{·w}} ''[[The Dark Tower III: The Waste Lands|The Waste Lands]]'' (1991){{·w}} ''[[The Dark Tower IV: Wizard and Glass|Wizard and Glass]]'' (1997){{·w}} ''[[The Dark Tower V: Wolves of the Calla|Wolves of the Calla]]'' (2003){{·w}} ''[[The Dark Tower VI: Song of Susannah|Song of Susannah]]'' (2004){{·w}} ''[[The Dark Tower VII: The Dark Tower|The Dark Tower]]'' (2004)
In [[matematica]] e in [[analisi numerica]], la '''wavelet cappello messicano'''
|group3 = <span style="color:white;">Sotto lo pseudonimo di<br/></span>[[Richard Bachman|<span style="color:yellow;">Richard Bachman</span>]]
:<math>\psi(t) = {2 \over {\sqrt {3\sigma}\pi^{1 \over 4}}} \left( 1 - {t^2 \over \sigma^2} \right) e^{-t^2 \over 2\sigma^2}</math>
|list3 = ''[[Rage (novel)|Rage]]'' (1977){{·w}} ''[[The Long Walk]]'' (1979){{·w}} ''[[Roadwork]]'' (1981){{·w}} ''[[The Running Man]]'' (1982){{·w}} ''[[Thinner (novel)|Thinner]]'' (1984){{·w}} ''[[The Bachman Books]]'' (1985){{·w}} ''[[The Regulators]]'' (1996){{·w}} ''[[Blaze (novel)|Blaze]]'' (2007)
è la seconda [[derivata]] [[Costante normalizzante|normalizzata]] negativa di una [[funzione gaussiana]]. È un caso speciale della famiglia delle [[wavelet continue]] ([[wavelet]] usate nelle [[trasformata wavelet continua|wavelet continue trasformate]]), la famiglia delle [[wavelet hermitiane]].
Questa wavelet viene chiamata ''cappello messicano'' in quanto la sua rappresentazione su grafico ricorda un [[sombrero]], tipico cappello messicano. Tecnicamente, il suo nome è '''wavelet Ricker''', usata frequentemente per modellare dati sismici<ref>[http://www.glossary.oilfield.slb.com/Display.cfm?Term=Ricker%20wavelet Glossario Oilfield]</ref>.
|group4 = <span style="color:white;">Mini serie</span>
|list4 = ''[[Night Shift (book)|Night Shift]]'' (1978){{·w}} ''[[Different Seasons]]'' (1982){{·w}} ''[[Skeleton Crew]]'' (1985){{·w}} ''[[Four Past Midnight]]'' (1990){{·w}} ''[[Nightmares & Dreamscapes]]'' (1993){{·w}} ''[[Hearts in Atlantis]]'' (1999){{·w}} ''[[Everything's Eventual]]'' (2002){{·w}} ''[[Just After Sunset]]'' (2008)
|group5 = <span style="color:white;">Altri generi</span>
|list5 = ''[[Danse Macabre (book)|Danse Macabre]]'' (1981){{·w}} ''[[Nightmares in the Sky |Nightmares in the Sky]]'' (1988){{·w}} ''[[On Writing]]'' (2000){{·w}} ''[[Secret Windows]]'' (2000){{·w}} ''[[Faithful (book)|Faithful]]'' (2004; with [[Stewart O'Nan]])
|group6 = [[eBook|<span style="color:yellow;">eBook</span>]]
|list6 = ''[[Riding the Bullet]]'' (2000){{·w}} ''[[The Plant]]'' (2000; unfinished){{·w}} ''[[Ur (novella)|Ur]]'' (2009)
In [[mathematics]] and [[numerical analysis]], the '''Mexican hat wavelet'''
|group7 = <span style="color:white;">Film</span>
:<math>\psi(t) = {2 \over {\sqrt {3\sigma}\pi^{1 \over 4}}} \left( 1 - {t^2 \over \sigma^2} \right) e^{-t^2 \over 2\sigma^2}</math>
|list7 = ''[[Creepshow]]'' (1982){{·w}} ''[[Cat's Eye (1985 film)|Cat's Eye]]'' (1985){{·w}} ''[[Silver Bullet (film)|Silver Bullet]]'' (1985){{·w}} ''[[Maximum Overdrive]]'' (1986; also director){{·w}} ''[[Pet Sematary (film)|Pet Sematary]]'' (1989){{·w}} ''[[Sleepwalkers (film)|Sleepwalkers]]'' (1992)
is the negative [[normalizing constant|normalized]] second [[derivative]] of a [[Gaussian function]], i.e., up to scale and normalization, the second [[Hermite function]]. It is a special case of the family of [[continuous wavelet]]s ([[wavelet]]s used in a [[continuous wavelet transform]]) known as [[Hermitian wavelet]]s. It is usually only referred to as the "Mexican hat" in the Americas, due to cultural association; see "[[sombrero]]". In technical nomenclature this function is known as the '''Ricker wavelet,''' where it is frequently employed to model seismic data.
|group8 = <span style="color:white;">Serie TV</span>
|list8 = ''[[Sorry, Right Number]]'' (1988){{·w}} ''[[Golden Years (TV series)|Golden Years]]'' (1991){{·w}} ''[[The Stand (TV miniseries)|The Stand]]'' (1994){{·w}} ''[[The Shining (TV miniseries)|The Shining]]'' (1997){{·w}} ''[[Chinga]]'' (1998; with [[Chris Carter (screenwriter)|Chris Carter]]){{·w}} ''[[Storm of the Century]]'' (1999){{·w}} ''[[Rose Red (film)|Rose Red]]'' (2002){{·w}} ''[[Kingdom Hospital]]'' (2004){{·w}} ''[[Desperation]]'' (2006)
The hyperdimensional generalization of this wavelet is called the ''[[Laplacian of Gaussian]]'' function. In practice, this wavelet is sometimes approximated by the ''[[Difference of Gaussians]]'' function, because it is separable and can therefore save considerable computation time in two or more dimensions. The scale normalised Laplacian (in <math>L_1</math>-norm) is frequently used as a [[blob detection|blob detector]] and for automatic scale selection in [[computer vision]] applications; see [[Laplacian of Gaussian]] and [[scale-space]]. The Mexican hat wavelet can also be approximated by [[derivative]]s of [[B-spline#Cardinal_B-spline|Cardinal B-Splines]]<ref>Brinks R: ''On the convergence of derivatives of B-splines to derivatives of the Gaussian function'', Comp. Appl. Math., 27, 1, 2008</ref>
|group10 = <span style="color:white;">serie di fumetti</span> ''[[La torre nera (fumetto)|<span style="color:yellow;">La torre nera</span>]]''
|list10 = ''[[The Dark Tower: The Gunslinger Born|The Gunslinger Born]]'' (2007){{·w}} ''[[The Dark Tower: The Long Road Home|The Long Road Home]]'' (2008){{·w}} ''[[The Dark Tower: Treachery|Treachery]]'' (2008){{·w}} ''[[The Dark Tower: The Sorcerer|The Sorcerer]]'' (2009){{·w}} ''[[The Dark Tower: The Fall of Gilead|The Fall of Gilead]]'' (2009){{nowrap end}}
==Note==
|group11 = <span style="color:white;">serie di fumetti</span> ''[[The stand|<span style="color:yellow;">The stand</span>]]''
<references/>
|list11 = ''[[The Stand: Captain Trips|Captain Trips]]'' (2008){{·w}} ''[[The Stand: American Nightmares|American Nightmares]]'' (2009){{nowrap end}}
<nowiki>[[Category:Numerical analysis]]</nowiki>
|group12 = <span style="color:white;">Articoli correlati</span>
|list12 = [[Tabitha King]]{{·w}} [[Joe Hill (writer)|Joe Hill]]{{·w}} [[Owen King]]{{·w}} [[Bryan Smith]]{{·w}} [[Peter Straub]]{{·w}} [[Rock Bottom Remainders]]{{·w}} [[Dollar Baby]]{{·w}} [[Media based on Stephen King works]]{{·w}} [[Castle Rock (Stephen King)|Castle Rock, Maine]]{{·w}} [[Derry (Stephen King)|Derry, Maine]] {{·w}} ''[[The Diary of Ellen Rimbauer: My Life at Rose Red]]''{{nowrap end}}
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[[en:Template:Stephen_King]]
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