On Tuesday 24 October 2006 02:50, Michael Sorich wrote: > I am currently running numpy rc2 (I haven't tried your > reimplementation yet as I am still using python 2.3). I am wondering > whether the new maskedarray is able to handle construction of arrays > from masked scalar values (not sure if this is the correct term).
The answer is no, unfortunately: both the new and old implementations fail at the same point, raising a TypeError: lists are processed through numpy.core.numeric.array, which doesn't handle that. But there's a workaround: creating an empty masked array, and filling it by hand: b = list(a) A = MA.array(N.empty(len(b))) for (k,v) in enumerate(b): A[k] = v should work in most cases. I guess I could plug something along those lines in the new implementation... But there's a problem anyway: if you don't precise a type at the creation of the empty array, the type will be determined automatically, which may be a problem if you mix numbers and strings: the maskedarray is detected as a string in that case. ------------------------------------------------------------------------- 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
