I bestow upon Sasha the mantle of guru. Sasha wrote: > Here is the solution of a half of the problem: > >>>> a=array([1,2,3,0,40,50,60,0,7,8,9]) >>>> 5+where(logical_and.accumulate(a[5:]!=0)) > array([5, 6]) > > the rest is left as an exercise to the reader :-) > > Hint a[::-1] will reverse a. > > > On 7/11/06, Mathew Yeates <[EMAIL PROTECTED]> wrote: >> I can handle the following problem by iterating through some indices but >> I'm looking for a more elegant solution. >> >> If I have a 1d array, I want to find a contiguous nonzero region about a >> given index. For example, if a=[1,2,3,0,40,50,60,0,7,8,9] and we start >> with the index of 5, then I want the indices 4,5,6 >> >> Any gurus out there? >> >> Mathew >> >> >> >> ------------------------------------------------------------------------- >> >> 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 >> >
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