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-JOFBS2VJ[#MFOEJOH V !VQVSB .BZ

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ίϯϖղ๏ͷ࿦จ IUUQTXXXBTDPIJP TUBUFFEVTUBUJTUJDTTUBUHFOKPVM@BVU#JH$IBPTQEG

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-JOFBS2VJ[#MFOEJOH ͷ֓ཁ • QVCMJD-#ͷ৘ใΛ༻͍ͯɺ༏ΕͨFOTFNCMFͷ ॏΈΛۙࣅܭࢉ͢Δ • ධՁࢦඪ͕࠷খೋ৐ޡࠩͷ৔߹ʹར༻Ͱ͖Δ

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ྑ͍༧ଌ஋ͷࠞͥํʁ Z@QSFE Z@QSFE Z@QSFE º º

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ఆࣜԽ ྑ͍𝛽Λ஌Γ͍ͨ 𝑋 𝑦!"#$ º 𝛽 𝑦 ۙࣅ͍ͨ͠

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΋͠Z͕෼͔͍ͬͯͨΒʁ • 𝑋𝛽͕𝑦ʹ࠷΋ۙࣅ͢Δ𝛽Λ஌Γ͍ͨ • ! " 𝑋𝛽 − 𝑦 " ͕࠷খͱͳΔ𝛽Λܭࢉ͍ͨ͠ • 𝛽Ͱภඍ෼ͯ͠ ͱஔ͘͜ͱͰҎԼΛಘΔ ! 𝛽 = 𝑋!𝑋 "# 𝑋!𝑦

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࣮ࡍZ͸෼͔Βͳ͍ɺ͚ΕͲ ! 𝛽 = 𝑋!𝑋 "# 𝑋!𝑦 º 𝑦 𝑋% 𝑋%𝑦

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𝑋!𝑦ͷ𝑗൪໨ͷཁૉΛߟ͑Δ 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#( " • શͯͷ஋ΛͰఏग़ͨ͠ࡍͷ࠷খೋ৐ޡࠩ • QVCMJD-#ͷείΞͰۙࣅ

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ୈ߲ ) ( 𝑥#( 𝑦( = 1 2 ) ( 𝑦( " + ) ( 𝑥#( " − ) ( 𝑦( − 𝑥#( " • 9͸ܭࢉՄೳ

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ୈ߲ ) ( 𝑥#( 𝑦( = 1 2 ) ( 𝑦( " + ) ( 𝑥#( " − ) ( 𝑦( − 𝑥#( " • ࠷খೋ৐ޡࠩ • 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-#ͷ৘ใΛ༻͍ͯɺ༏ΕͨFOTFNCMFͷॏΈ Λۙࣅܭࢉ͢Δ • ධՁࢦඪ͕࠷খೋ৐ޡࠩͷ৔߹ʹར༻Ͱ͖Δ • ඞཁͳ৘ใ͸ ෳ਺ͷ ༧ଌ஋ QVCMJD-#ͷείΞ ͷϖΞ શͯͰఏग़ͨ͠ࡍͷQVCMJD-#ͷείΞ