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求助:origin求封闭曲线面积
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[quote][i]Originally posted by kirakaen[/i] [br]Origin Ver. and Service Release (Select Help-->About Origin): Operating System: 大家好,我在用origin计算封闭曲线的面积,遇到点问题,困扰了已经有半个多月。问题具体如下:算封闭曲线的面积,点击area命令,理论上上,应该是封闭曲线内填充黑影,可是实际的情况是,封闭曲线外有一块多余的黑影,百度文库的教程(http://wenku.baidu.com/link?url=mFnFSQeuEImvFD6__qzAN5i1n6S0fz68PbWR1T9ZnKlgDRI90R_m-p2UhDmQNc-pS4H8i_KfHxl0EDt89wSAX96JxDVX4qR2TbGcpVpZEEG)说是要保证曲线环封闭、不间断,按这个思路调整半月有余,还是不见效,故提供数据文件(http://pan.baidu.com/s/1i5BhoOl),请求各位坛友的指教、帮助![img]http://www.originlab.com/ftp/forum_and_kbase/Images/2.6111.png[/img] [img]http://www.originlab.com/ftp/forum_and_kbase/Images/2.6112.png[/img] [/quote]
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T O P I C R E V I E W
kirakaen
Posted - 02/06/2017 : 01:05:04 AM
Origin Ver. and Service Release (Select Help-->About Origin):
Operating System:
大家好,我在用origin计算封闭曲线的面积,遇到点问题,困扰了已经有半个多月。问题具体如下:算封闭曲线的面积,点击area命令,理论上上,应该是封闭曲线内填充黑影,可是实际的情况是,封闭曲线外有一块多余的黑影,百度文库的教程(
http://wenku.baidu.com/link?url=mFnFSQeuEImvFD6__qzAN5i1n6S0fz68PbWR1T9ZnKlgDRI90R_m-p2UhDmQNc-pS4H8i_KfHxl0EDt89wSAX96JxDVX4qR2TbGcpVpZEEG
)说是要保证曲线环封闭、不间断,按这个思路调整半月有余,还是不见效,故提供数据文件(
http://pan.baidu.com/s/1i5BhoOl
),请求各位坛友的指教、帮助!
2 L A T E S T R E P L I E S (Newest First)
kirakaen
Posted - 02/06/2017 : 01:40:02 AM
谢谢,问题已解决
Echo_Chu
Posted - 02/06/2017 : 01:22:08 AM
在你的OPJ里面使用的是画出area 图而不是求封闭曲线的面积。
如果希望求封闭曲线的面积的话
1. 把你的数据画成线图(呈现封闭曲线)
2. 选择菜单 “Analysis: Mathematics: Polygon Area”
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