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PDL(i,j) manipulation:
Look at the get and set functions in PDL::Func. To note, the difference between column and row operations are the difference between 0 transpose operations and 2 of them. That said, between PDL::Slices and PDL::NiceSlice there are so many ways to skin this cat I'm surprised people worry about the issue of column/row operations in PDL.
See also reorder, dice, range etc. Update:original code example broken. If you're doing lots of row or column manipulations, perhaps better to keep a 1d piddle of index values and manipulate those. In reply to Re^3: Performance problem with Clone Method
by dwm042
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