2012MCM.pdf

所需积分/C币:10 2013-01-18 15:06:40 1.03MB PDF
6
收藏 收藏
举报

MCM 20112 赛题 赛前精心准备必选
Team#12755 Page 3 of 18 Introduction Team#12755 Page 4 of 18 Properties of Good Model Research about the shape of leaves Background Team#12755 Page 5 of 18 oval lanceolate obovate elliptical spatulate cordate oblanceolate obcordate oblong linear peltate cuneate reniform Method to describe different shapes Team#12755 Page 6 of 18 Leaves of a Sketching the Fitting the contours I I with mathematic contours tree tools the Classification O fun leaves functions outlines Symbol table Cn CIl R R Team#12755 Page 7 of 18 Details of the models Model 1: ideal-Leaves model Assumption Calculation of leaves is the primary factor affecting leaves' quality for it affects the leaves'surface. Therefore, we consider the shape as a variable. Shape of leaves surface. As far as we can concern. the total number of leaves in one tree cant be accurate counted, however, according to common sense it is easy to tell Team#12755 Page 8 of 18 out the relationship between the leaves weight and surface area 30 25 20 15 0.0287x 5 0 100 200 300 400 500 E00 7 800 Leaf surface (cm2) m=f(s=k s n=gc g M f(sg( Team#12755 Page 9 of 18 S兀·观 b M=f(r:a·b)g(c)=0.0287×兀·a·b·c·n M=0.0287××8×5×135×85=41364.2 Model 2: Shape-Changed Leaves model Calculation (. Kiss, M. Kondrak), we can get that genotype of poplar Team#12755 Page 10 of 18 eaf type n 0 F8Y 10〔 0 5 1% 0 0 0 100 80% 单④4 40% 2 Diploid 0% Aneuploid ■ Tetra|o|d 1 Diploid ■ Anello|d ■ Herluin leaves'shape as shape 2 and 3 instead of oval in ype 2 type 3

...展开详情
试读 18P 2012MCM.pdf
立即下载 身份认证VIP会员低至7折
一个资源只可评论一次,评论内容不能少于5个字
您会向同学/朋友/同事推荐我们的CSDN下载吗?
谢谢参与!您的真实评价是我们改进的动力~
关注 私信
上传资源赚钱or赚积分
最新推荐
2012MCM.pdf 10积分/C币 立即下载
1/18
2012MCM.pdf第1页
2012MCM.pdf第2页
2012MCM.pdf第3页
2012MCM.pdf第4页

试读结束, 可继续读2页

10积分/C币 立即下载