vebyk

所属分类:matlab编程
开发工具:matlab
文件大小:332KB
下载次数:10
上传日期:2013-09-06 10:40:14
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说明:  vebyk is a flexible and user-friendly matlab-program, which performs ordinary kriging and can be easily adapted to other kriging methods.

文件列表:
__MACOSX (0, 2006-07-10)
__MACOSX\vebyk (0, 2006-07-10)
__MACOSX\vebyk\._.DS_Store (82, 2006-07-10)
license.txt (1332, 2009-05-20)
vebyk (0, 2006-07-10)
vebyk\.DS_Store (6148, 2006-07-10)
vebyk\test_data (0, 2004-03-03)
vebyk\test_data\any05.mat (323400, 2003-07-08)
vebyk\test_data\input.mat (21000, 2003-10-10)
vebyk\vebyk_functions (0, 2004-03-03)
vebyk\vebyk_functions\buildbigc3.m (627, 2003-07-29)
vebyk\vebyk_functions\buildsmallc3.m (557, 2003-07-29)
vebyk\vebyk_functions\covcalc.m (654, 2003-10-01)
vebyk\vebyk_functions\displacement3.m (457, 2003-07-29)
vebyk\vebyk_functions\inputmatrix.m (652, 2004-01-30)
vebyk\vebyk_functions\kriging3.m (867, 2003-07-29)
vebyk\vebyk_functions\matrixdisplay.m (472, 2004-01-28)
vebyk\vebyk_functions\minimizing2.m (437, 2003-06-30)
vebyk\vebyk_functions\neighborhood.m (748, 2003-09-30)
vebyk\vebyk_functions\neighborhood2.m (2960, 2003-08-19)
vebyk\vebyk_functions\ordinary.m (401, 2003-07-29)
vebyk\vebyk_functions\rotation.m (401, 2003-07-29)
vebyk\vebyk_functions\vebyk.m (2255, 2004-01-30)

vebyk (Value Estimation BY Kriging) vebyk is a flexible and user-friendly matlab-program, which performs ordinary kriging and can be easily adapted to other kriging methods. The program is designed to interpolate values on a regular two-dimensional grid using ordinary kriging. By slightly modifying the code it is also possible to use simple kriging. The grid of estimated or "kriged" values is rectangular and spans the range of coordinates in the dataset of sampled values. The spacing between estimated points for x- and y-axes can be specified individually and the sampled values do not have to follow a spatial order. For the search neighborhood, the number of points used for interpolation can be specified. Arbitrarily oriented spatial anisotropy of the covariance function can be accounted for. The current implementation is based on the von Karman family of covariance function. The correlation length a and the exponent nu of the von Karman function can be specified. Finally, "handles" are provided to switch on a wait bar or a cross validation mode for comparison of the interpolated value at a sampled location. I established vebyk as part of my diploma thesis for geophysics at ETH Zrich, which contains also a detailed documentation of the code. The thesis can be downloaded at: http://www.aug.geophys.ethz.ch/people/personalPages/rolf/work.pdf Rolf Sidler;Via S.Nazario 22;34017 Prosecco (TS);+393899915434;rolf.sidler@gmx.ch

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