Hi David and everyone,<br><br>Well, the problem solved. All these symbols are in a header file "ap.h".<br><br>Thank you all the same.<br><br>Wenlong<br><br><div class="gmail_quote">2011/10/25 Wenlong Wang <span dir="ltr"><<a href="mailto:scc.wwl@gmail.com">scc.wwl@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">And the above errors about 1d array and 2d array also happens when I run example at <a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Utilities/vtkPCAStatistics" target="_blank">http://www.vtk.org/Wiki/VTK/Examples/Cxx/Utilities/vtkPCAStatistics</a> too.<br>
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<br>Wenlong<br>
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