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 ;) Cheers, f ------------------------------------------------------------------------- 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