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Bemerkung zur Integralrechnung. - MaRDI portal

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Deprecated: Use of MediaWiki\Skin\BaseTemplate::getPersonalTools was deprecated in 1.46 Call $this->getSkin()->getPersonalToolsForMakeListItem instead (T422975). [Called from Skins\Chameleon\Components\NavbarHorizontal\PersonalTools::getHtml in /var/www/html/w/skins/chameleon/src/Components/NavbarHorizontal/PersonalTools.php at line 66] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

Deprecated: Use of QuickTemplate::(get/html/text/haveData) with parameter `personal_urls` was deprecated in MediaWiki Use content_navigation instead. [Called from MediaWiki\Skin\QuickTemplate::get in /var/www/html/w/includes/Skin/QuickTemplate.php at line 131] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

Bemerkung zur Integralrechnung. (Q1533104)

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scientific article; zbMATH DE number 2689628
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English
Bemerkung zur Integralrechnung.
scientific article; zbMATH DE number 2689628

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    Bemerkung zur Integralrechnung. (English)
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    1890
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    Es wird der Satz bewiesen: ``Sind \(f(t)\) und \(\varphi(t)\) im reellen Intervalle \(t_0< t< t_1\) eindeutige, reelle, endliche und stetige Functionen von \(t\), so ist \[ \int_{t_0}^{t_1} | f(t) + i\varphi(t) | dt> \left| \int_{t_0}^{t_1} (f(t) + i\varphi(t)) dt \right|, \] wenn der Quotient \(f(t): \varphi(t)\) nicht im ganzen Integrationsintervalle einen und denselben Wert hat.'' Die Einschliessung einer Complexen zwischen Verticalstriche bedeutet den Modul.
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