On 10/18/06, Daniel Arbuckle <[EMAIL PROTECTED]> wrote: > Why does a[b1, b2] not mean the same thing as a[b1][:, b2], when "a" > is an array and "b1" and "b2" are appropriately sized arrays of > booleans?
>From my previous experience with R I am used to a[b1, b2] being equivalent to a[b1][:, b2], so this is a little strange to me as well. In numpy I think you need to use the function ix_ to get the cross product. e.g. a[ix_(b1,b2)] is equivalent to a[b1][:, b2] a[b1,b2] raises an error about a type mismatch. I have no idea what this syntax is supposed to do in numpy. ------------------------------------------------------------------------- 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
