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-JOFBS2VJ[#MFOEJOH V !VQVSB .BZ
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ίϯϖղ๏ͷจ IUUQTXXXBTDPIJP TUBUFFEVTUBUJTUJDTTUBUHFOKPVM@BVU#JH$IBPTQEG
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-JOFBS2VJ[#MFOEJOH ͷ֓ཁ • QVCMJD-#ͷใΛ༻͍ͯɺ༏ΕͨFOTFNCMFͷ ॏΈΛۙࣅܭࢉ͢Δ • ධՁࢦඪ͕࠷খೋޡࠩͷ߹ʹར༻Ͱ͖Δ
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ྑ͍༧ଌͷࠞͥํʁ Z@QSFE Z@QSFE Z@QSFE º º
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ఆࣜԽ ྑ͍𝛽ΛΓ͍ͨ 𝑋 𝑦!"#$ º 𝛽 𝑦 ۙࣅ͍ͨ͠
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͠Z͕͔͍ͬͯͨΒʁ • 𝑋𝛽͕𝑦ʹ࠷ۙࣅ͢Δ𝛽ΛΓ͍ͨ • ! " 𝑋𝛽 − 𝑦 " ͕࠷খͱͳΔ𝛽Λܭࢉ͍ͨ͠ • 𝛽Ͱภඍͯ͠ ͱஔ͘͜ͱͰҎԼΛಘΔ ! 𝛽 = 𝑋!𝑋 "# 𝑋!𝑦
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࣮ࡍZ͔Βͳ͍ɺ͚ΕͲ ! 𝛽 = 𝑋!𝑋 "# 𝑋!𝑦 º 𝑦 𝑋% 𝑋%𝑦
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𝑋!𝑦ͷ𝑗൪ͷཁૉΛߟ͑Δ 𝑥#,% 𝑦% + 𝑥#,! 𝑦! + ⋯ + 𝑥#,&'! 𝑦&'! = ) ( 𝑥#( 𝑦( º 𝑦 𝑋% 𝑋%𝑦 𝑗 = 0 𝑗 = 1 𝑢 𝑢
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ࣜมܗ ) ( 𝑥#( 𝑦( = 1 2 ) ( 𝑦( " + ) ( 𝑥#( " − ) ( 𝑦( − 𝑥#( "
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ୈ߲ ) ( 𝑥#( 𝑦( = 1 2 ) ( 𝑦( " + ) ( 𝑥#( " − ) ( 𝑦( − 𝑥#( " • શͯͷΛͰఏग़ͨ͠ࡍͷ࠷খೋޡࠩ • QVCMJD-#ͷείΞͰۙࣅ
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ୈ߲ ) ( 𝑥#( 𝑦( = 1 2 ) ( 𝑦( " + ) ( 𝑥#( " − ) ( 𝑦( − 𝑥#( " • 9ܭࢉՄೳ
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ୈ߲ ) ( 𝑥#( 𝑦( = 1 2 ) ( 𝑦( " + ) ( 𝑥#( " − ) ( 𝑦( − 𝑥#( " • ࠷খೋޡࠩ • QVCMJD-#ͷείΞͰۙࣅ
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ཧ͢Δͱ • ∑( 𝑥#( 𝑦( = ! " ∑( 𝑦( " + ∑( 𝑥#( " − ∑( 𝑦( − 𝑥#( " ۙࣅܭࢉͰ͖Δ • Αͬͯ 𝑋)𝑦 ͕͔Δ • ͢ͳΘͪ - 𝛽 = 𝑋)𝑋 '! 𝑋)𝑦 ͕͔Δ
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·ͱΊ • -JOFBS2VJ[#MFOEJOH Λղઆͨ͠ • QVCMJD-#ͷใΛ༻͍ͯɺ༏ΕͨFOTFNCMFͷॏΈ Λۙࣅܭࢉ͢Δ • ධՁࢦඪ͕࠷খೋޡࠩͷ߹ʹར༻Ͱ͖Δ • ඞཁͳใ ෳͷ ༧ଌ QVCMJD-#ͷείΞ ͷϖΞ શͯͰఏग़ͨ͠ࡍͷQVCMJD-#ͷείΞ