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cemtool:7.5:internaltoolbox:interrnal:pchip [2014/04/25 09:03] (current)
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 +[[:​cemtool]]>​[[:​cemtool:​7.5]]>​[[:​cemtool:​7.5:​internaltoolbox]]>​[[:​cemtool:​7.5:​internaltoolbox:​interrnal]]
 +
 +====== PCHIP ======
 +Piecewise Cubic Hermite Interpolating Polynomial
 +
 +급수해를 구한다.
 +
 +===== 문법 =====
 +<code matlab>
 +PP = PCHIP(X,Y)
 +</​code>​
 +
 +<​입력변수>​
 +X : 임의의 벡터.
 +Y : 임의의 행렬.
 +       
 +<​출력변수>​
 +PP : X 와 Y 에 대응하는 수치적인 값.
 +
 +===== 설명 =====
 +급수해 함수이다.
 +
 +===== 예제 =====
 +<file matlab ex.cem>
 +x = -3:3;
 +y = [-1 -1 -1 0 1 1 1];
 +t = -3:.01:3;
 +plot(x,​y,'​o',​t,​[pchip(x,​y,​t);​ spline(x,​y,​t)])
 +legend('​data','​pchip','​spline',​4)
 +</​file>​
 +===== 관련함수 =====
 +[[cemtool:​7.5:​signaltoolbox:​interp1]] [[spline]] [[cemtool:​7.5:​signaltoolbox:​ppval]] [[cemtool:​7.5:​signaltoolbox:​unmkpp]]
 +
  
cemtool/7.5/internaltoolbox/interrnal/pchip.txt · Last modified: 2014/04/25 09:03 (external edit)