matlab-Chap12

matlab-Chap12


뗚12헂 죽듎퇹쳵


훚쯹훜횪ꎬ쪹폃룟뷗뛠쿮쪽뗄닥횵뎣뎣닺짺늡첬뗄뷡맻ꆣ쒿잰ꎬ폐뛠훖쿻돽늡첬뗄랽
램ꆣ퓚헢킩랽램훐ꎬ죽듎퇹쳵쫇ퟮ뎣폃뗄튻훖ꆣ퓚MATLAB훐ꎬ쪵쿖믹놾뗄죽듎퇹쳵닥횵뗄
몯쫽폐splineꎬppvalꎬmkpp뫍unmkppꆣ퓚헢킩몯쫽훐ꎬ뷶spline퓚ꆶMATLAB닎뾼횸쓏ꆷ
훐폐쮵쏷ꆣ쿂쏦벸뷚ꎬ붫햹쪾퓚M컄볾몯쫽훐쪵쿖죽듎퇹쳵뗄믹놾쳘헷ꆣ

12.1 믹놾쳘헷

퓚죽듎퇹쳵훐ꎬ튪톰헒죽듎뛠쿮쪽ꎬ틔뇆뷼쎿뛔쫽뻝뗣볤뗄쟺쿟ꆣ퓚퇹쳵쫵폯훐ꎬ헢
킩쫽뻝뗣돆횮캪뛏뗣ꆣ틲캪ꎬ솽뗣횻쓜뻶뚨튻쳵횱쿟ꎬ뛸퓚솽뗣볤뗄쟺쿟뿉폃컞쿞뛠뗄
죽듎뛠쿮쪽뷼쯆ꆣ틲듋ꎬ캪쪹뷡맻뻟폐캨튻탔ꆣ퓚죽듎퇹쳵훐ꎬ퓶볓쇋죽듎뛠쿮쪽뗄풼
쫸쳵볾ꆣ춨맽쿞뚨쎿룶죽듎뛠쿮쪽뗄튻뷗뫍뛾뷗떼쫽ꎬ쪹웤퓚뛏뗣뒦쿠뗈ꎬ뻍뿉틔뷏뫃
뗘좷뚨쯹폐쓚늿죽듎뛠쿮쪽ꆣ듋췢ꎬ뷼쯆뛠쿮쪽춨맽헢킩뛏뗣뗄킱싊뫍쟺싊쫇솬탸뗄ꆣ
좻뛸ꎬ뗚튻룶뫍ퟮ뫳튻룶죽듎뛠쿮쪽퓚뗚튻룶뫍ퟮ뫳튻룶뛏뗣틔췢ꎬ쎻폐냩쯦뛠쿮쪽ꆣ틲
듋뇘탫춨맽웤쯼랽램좷뚨웤폠뗄풼쫸ꆣퟮ뎣폃뗄랽램ꎬ튲쫇몯쫽spline쯹닉폃뗄랽램ꎬ뻍
쫇닉폃럇얤뷡(not-a-
knot)쳵볾ꆣ헢룶쳵볾잿웈뗚튻룶뫍뗚뛾룶죽듎뛠쿮쪽뗄죽뷗떼쫽쿠뗈ꆣ뛔ퟮ뫳튻룶뫍떹
쫽뗚뛾룶죽듎뛠쿮쪽튲ퟶ춬퇹뗘뒦샭ꆣ
믹폚짏쫶쏨쫶ꎬ죋쏇뿉쓜닂쿫떽ꎬ톰헒죽듎퇹쳵뛠쿮쪽탨튪쟳뷢듳솿뗄쿟탔랽돌ꆣ쪵
볊짏ꎬ룸뚨N룶뛏뗣ꎬ뻍튪톰헒N-
1룶죽듎뛠쿮쪽ꎬ쎿룶뛠쿮쪽폐4룶캴횪쾵쫽ꆣ헢퇹ꎬ쯹쟳뷢뗄랽돌ퟩ냼몬폐4*(N-
1)룶캴횪쫽ꆣ냑쎿룶죽듎뛠쿮쪽쇐돉쳘쫢탎쪽ꎬ늢쟒퓋폃룷훖풼쫸ꎬ춨맽쟳뷢N룶뻟폐N
룶캴횪쾵쫽뗄랽돌ퟩꎬ뻍쓜좷뚨죽듎뛠쿮쪽ꆣ헢퇹ꎬ죧맻폐50룶뛏뗣ꎬ뻍폐50룶뻟폐50룶
캴횪쾵쫽뗄랽돌ퟩꆣ탒뫃ꎬ폃쾡쫨뻘헳ꎬ헢킩랽돌쪽쓜릻볲쏷뗘쇐돶