Hi.
On Tue, 23 Feb 2016 10:18:40 +0000, Ziqi Zhang wrote:
Hi,
I would like to iterate through the non-zero values in a RealVector
object. I notice that the method RealVector.sparseIterator() can do
this:
"Create a sparse iterator over the vector, which may omit some
entries. The ommitted entries are either exact zeroes (for dense
implementations) or are the entries which are not stored (for real
sparse vectors). No guarantees are made about order of iteration."
However, the method returns an Iterator<RealVector.Entry> object,
where "Entry" is a protected class and therefore I cannot really use
it outside of the RealVector class.
That looks like a bug indeed.
The unit tests for "RealVector" did not detect the problem because
"RealVector.Entry" can be accessed from "RealVectorTest" (as it is
defined in the same package).
Could you file a report on the issue tracking system?
Thanks,
Gilles
Have I misunderstood something? Is there anyway to iterate through
the values in the RealVector object without converting them to
double[], because the vector is very high dimensional and very
sparse.
Many thanks!
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