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	<title>Kraftas nilīgibi - Wersiōnin istōrija</title>
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	<updated>2026-05-04T07:19:40Z</updated>
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		<title>WūranArtīkelinRedigītajs: Ast teīkuns(si) nāunan pāusan &quot;'''Kraftas nilīgibi''' (Kraftas-McMillanas nilīgibi) - nilīgibi: :: &lt;math&gt;\sum_i p^{-n_i} \le 1&lt;/math&gt;, kwēi &lt;math&gt;n_i&lt;/math&gt; ast &lt;math&gt;i&lt;/math&gt;-tas wāngis...&quot;</title>
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		<updated>2021-09-28T16:12:22Z</updated>

		<summary type="html">&lt;p&gt;Ast teīkuns(si) nāunan pāusan &amp;quot;&amp;#039;&amp;#039;&amp;#039;Kraftas nilīgibi&amp;#039;&amp;#039;&amp;#039; (Kraftas-McMillanas nilīgibi) - nilīgibi: :: &amp;lt;math&amp;gt;\sum_i p^{-n_i} \le 1&amp;lt;/math&amp;gt;, kwēi &amp;lt;math&amp;gt;n_i&amp;lt;/math&amp;gt; ast &amp;lt;math&amp;gt;i&amp;lt;/math&amp;gt;-tas wāngis...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nāunan pāusan&lt;/b&gt;&lt;/p&gt;&lt;div&gt;'''Kraftas nilīgibi''' (Kraftas-McMillanas nilīgibi) - nilīgibi:&lt;br /&gt;
:: &amp;lt;math&amp;gt;\sum_i p^{-n_i} \le 1&amp;lt;/math&amp;gt;,&lt;br /&gt;
kwēi &amp;lt;math&amp;gt;n_i&amp;lt;/math&amp;gt; ast &amp;lt;math&amp;gt;i&amp;lt;/math&amp;gt;-tas wāngiskas wīrsas gillisku en &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;-āriskasmu garrin. Tūls, per eraīnan senrīnksenin stēisan gīrbin &amp;lt;math&amp;gt;\{n_1, \dots, n_N\}&amp;lt;/math&amp;gt; sātwintan Kraftas nilīgibin ast mazīngi teīktun stawīdan &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;-āriskan garrin, kāi šai gīrbjai ast tenēisan wāngiskan wīrsun gilliskwas.&lt;br /&gt;
&lt;br /&gt;
Nilīgibi mazzi būtwei ainawīdai iztarītan en billai stēisan kōdan: Ik &amp;lt;math&amp;gt;\{n_1, \dots, n_N\}&amp;lt;/math&amp;gt; ast ilgāi stēisan wīrdan en [[prefiksiskasmu kōdan|prefiksiskas kōds]] kīrsa &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;-elamēntin alfabētan, staddan tenēi sātwina Kraftas nilīgibin. Ik Kraftas nilīgibi ast sātwintan pēr ainuntan senrīnksenin stēisan gīrbin &amp;lt;math&amp;gt;\{n_1, \dots, n_N\}&amp;lt;/math&amp;gt;, staddan ast mazīngi teīktun prefiksiskan kōdan kīrsa &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;-elamēntin alfabētan, per kawīdan šai gīrbjai ast ilgāi stēisan wīrdan.&lt;br /&gt;
&lt;br /&gt;
Nilīgibi pastāi padrūktintan en 1949 m. ezze L.G. Kraftan. En 1956 m. B.McMillan ast padrūktinuns šan nilīgibin en spārtaišai fōrmulisnan - tenā ast sātwintan ni tēr per prefiksiskans kōdans, adder dīgi per [[ainazentliskai dekōdamins kōds|ainazentliskai dekōdaminans kōdans]].&lt;br /&gt;
&lt;br /&gt;
===Padrūktinsenis===&lt;br /&gt;
&lt;br /&gt;
Padrūktinsenis per &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;-āriskans garrins.&lt;br /&gt;
&lt;br /&gt;
Per dātan &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;-āriskan garrin, etrīnkimai gīrbin &amp;lt;math&amp;gt;N&amp;lt;/math&amp;gt; mūiseskan adder līgu wisēimans gilliskwans stēisan wāngiskan wīrsun. En eraīnasmu wāngiskan wīrsun sen gilliskwan mazzan nikāi &amp;lt;math&amp;gt;N&amp;lt;/math&amp;gt; preidāimai pilnan &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;-āriskan garrin. Iz &amp;lt;math&amp;gt;i&amp;lt;/math&amp;gt;-tan wāngiskan wīrsun sen gilliskwan &amp;lt;math&amp;gt;n_i&amp;lt;/math&amp;gt; en ōriginālasmu garrin turrimai en nawwasmu garrin &amp;lt;math&amp;gt;p^{N-n_i}&amp;lt;/math&amp;gt; wāngiskans wīrsuns. Garrin, kawīdan asmai zēidusis turri &amp;lt;math&amp;gt;\sum_i p^{N-n_i}&amp;lt;/math&amp;gt; wāngiskans wīrsuns be turri gilliskwan &amp;lt;math&amp;gt;N&amp;lt;/math&amp;gt;, tītan tennan ni mazzi tūritun tūls nikāi &amp;lt;math&amp;gt;p^N&amp;lt;/math&amp;gt; wāngiskans wīrsuns &amp;lt;math&amp;gt;\square&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
En āntran pāusan, padrūktinimai kāi Kraftas nilīgibi ast sātwintan per gīrbins &amp;lt;math&amp;gt;\{n_1, \dots, n_N\}&amp;lt;/math&amp;gt;. Peisāimai nilīgibin sen summan praēntin wissans gilliskwas wērtibins:&lt;br /&gt;
::&amp;lt;math&amp;gt;\sum_j k_j p^{-m_j} \le 1&amp;lt;/math&amp;gt;,&lt;br /&gt;
kwēi &amp;lt;math&amp;gt;k_j&amp;lt;/math&amp;gt; ast &amp;lt;math&amp;gt;j&amp;lt;/math&amp;gt;-tas gilliskwas wārstisku. Nilīgibi ast dīgi arwi, ik immimai tennan tēr per pirmans &amp;lt;math&amp;gt;n&amp;lt;/math&amp;gt; gilliskwans:&lt;br /&gt;
::&amp;lt;math&amp;gt;\sum_{j\le n} k_j p^{-m_j} \le 1&amp;lt;/math&amp;gt;.&lt;br /&gt;
Iz šan reducītan nilīgibin mazzimai izwestun nilīgibin per &amp;lt;math&amp;gt;k_n&amp;lt;/math&amp;gt;:&lt;br /&gt;
::&amp;lt;math&amp;gt;k_n \le p^{m_n-m_{n-1}}(p^{m_{n-1}}(1-\sum_{i&amp;lt;n-1}k_i p^{-m_i}) - k_{n-1})&amp;lt;/math&amp;gt;,&lt;br /&gt;
tītat ik &amp;lt;math&amp;gt;k_{n-1} &amp;lt; f(n-1)&amp;lt;/math&amp;gt;, staddan &amp;lt;math&amp;gt;k_n \ge 0&amp;lt;/math&amp;gt; be &amp;lt;math&amp;gt;k_{n} &amp;lt; f(n)&amp;lt;/math&amp;gt;, per rekursīskai definītan funkciōnin:&lt;br /&gt;
::&amp;lt;math&amp;gt;f(n) = p^{m_n-m_{n-1}}(f(n-1)-k_j), f(1)=p^{m_1}&amp;lt;/math&amp;gt;.&lt;br /&gt;
Asmai padrūktinusis, kāi &amp;lt;math&amp;gt;\forall n&amp;gt;0 \ k_n &amp;gt; f(n)&amp;lt;/math&amp;gt;. Teinū sūit pazinātun, kāi funkciōni &amp;lt;math&amp;gt;f(n)&amp;lt;/math&amp;gt; pertreppa gīrbin stēisan wīrsun en gilliskwai &amp;lt;math&amp;gt;m_n&amp;lt;/math&amp;gt; &amp;lt;math&amp;gt;\square&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Category:Matemātiki]]&lt;br /&gt;
[[Category:Infōrmatiki]]&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--&lt;br /&gt;
[[en:Kraft's_inequality]]&lt;br /&gt;
[[de:Kraft-Ungleichung]]&lt;br /&gt;
[[pl:Nierówność Krafta-McMillana]]&lt;br /&gt;
[[ru:Неравенство Крафта — Макмиллана]]&lt;br /&gt;
--&amp;gt;&lt;/div&gt;</summary>
		<author><name>WūranArtīkelinRedigītajs</name></author>
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