JJ schrieb: > ----------------------------------------- > Hello Ed: > Here are a couple of examples off the top of my head: > > a = mat(arange(10)) > a.shape = (5,2) > b = a.copy() > c = hstack((a,b)) # should return a matrix > type(c) > <type 'numpy.ndarray'>
This hstack bug has been fixed recently. > > a[where(a[:,0]<6)[0],0] #should return a column > matrix([[0, 2, 4]]) Don't know anything about this stuff. > > My version is about a month old, so maybe these are fixed. Since we are on > the > topic, I dont understand why where() returns a tupple. To me, it just means > adding an extra '[0]' in many places in my code. I would vote for where() > retuning a matrix (if matrix is the default in the session). My comment on > transpose of a 1,n matrix producing a n,1 matrix was in response to a vote > question on the list. That discussion was about pure arrays, not the matrix subclass. > matrix is the default for a session. Lastly, this might not be the right > place > for this comment, but it would be nice if pylab allowed numpy matrices. I agree, that would be nice! Maybe we can team up and invade the matplotlib mailing list some time ;-) -sven ------------------------------------------------------------------------- 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
