Fernando Perez wrote: > On 11/1/06, David Cournapeau <[EMAIL PROTECTED]> wrote: > >> Hi, >> >> I want to generate some random integers,let's say in the range [- >> 2^15, 2^16]. Why doing: >> >> noise = numpy.random.random_integers(- (2 ** 15), (2 * 15), 22050) >> >> gives only negative numbers ? >> > > In [3]: noise = numpy.random.random_integers(- (2 ** 15), (2 * 15), 22050) > > In [4]: noise[noise>0].shape > Out[4]: (17,) > > In [5]: noise[noise<0].shape > Out[5]: (22033,) > > In [6]: noise = numpy.random.random_integers(-(2**15), (2 ** 15), 22050) > > In [7]: noise[noise>0].shape > Out[7]: (11006,) > > In [8]: noise[noise>0].shape > Out[8]: (11006,) > > In [9]: 17./22033 > Out[9]: 0.00077156991785049694 > > In [10]: 2.0*15/2**15 > Out[10]: 0.00091552734375 > > close enough ;) > Ok, I deserve my email to be called the most stupid email of the week... Sorry for the noise,
David ------------------------------------------------------------------------- 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