我想把一些离散的点连成一条光滑曲线,应该用曲线拟合是吧,可我试了几种拟合方法,都不太合适,只有多项式拟合还接近一点,但还是不太好,大家看看,我是不是方法不对啊,给点意见吧。<img src="attachments/dvbbs/2006-3/20063299364959413.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-3/20063299364959413.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />