Dear all: there is a function "svdcmp" in the vtkMathUtil.cxx, it is an extern function, I don't know where it comes? can any slicer user tell me? regards, zhang zhijun -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20011122/599de42d/attachment.htm>