Michael McNeil Forbes wrote: > Could someone please explain the semantics of the following. > > >>>> from numpy import * >>>> a1 = array([1,2,3]) >>>> a2 = array([[1,2,3]]) >>>> a1[where(a1==3)],a2[where(a2==3)] >>>> > (array([3]), 3) > > Why are 1-dimensional fundamentally different than N-dimensional arrays > in this regard? When there is a single match, N-d arrays always return > a scalar whereas 1-d arrays return an array. > > Is this a bug? > Yes, it's a bug. The optimization for a[0,2] was being called in this case because the arrays with 1 element were being interpreted as integers. I beefed-up the conversion check and fixed this in SVN. Thanks for the check.
Now both have the same shape. -Travis ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Numpy-discussion mailing list Numpy-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/numpy-discussion
