Thanks,It is great.
2010/10/20 Mitesh Patel <[email protected]> > On 10/19/2010 09:41 PM, 李季 wrote: > > Thanks! > > But it does't work well. > > > > import numpy as np > > a = np.array([[1.1, 2, 3], [4, 5, 6]]) > > a.astype(int) > > b = a[0,0] / a[1,0] > > print b > > print a > > > > the result is as follow: > > > > 0.275 > > [[ 1.1 2. 3. ] > > [ 4. 5. 6. ]] > > According to > > > http://www.scipy.org/Numpy_Example_List_With_Doc#head-0b5453f877a02c72c8bb3196ce2e37af83c9eff7 > > astype returns a cast copy of the array, so you could do > > a = a.astype(int) > > or work with > > a2 = a.astype(int) > > Does this help? > > > > I use the notebook. > > > > 2010/10/20 Nils Bruin <[email protected] <mailto:[email protected]>> > > > > On Oct 19, 6:57 pm, 李季 <[email protected] > > <mailto:[email protected]>> wrote: > > > Dear group, > > > I have a question as follow: > > > > > > import numpy as np > > > > > > B = np.array([[1, 2, 3], [4, 5, 6]]) > > > > > > Is there any command that I can use to convert B to a float-type? > > > > For more information you should probably look at the numpy manual > and/ > > or numpy mailing lists and newsgroups. The direct answer to your > > question: > > > > B.astype(float) > > > > -- > > To post to this group, send email to [email protected] > > <mailto:[email protected]> > > To unsubscribe from this group, send email to > > > > [email protected]<sage-support%[email protected]> > > > > <mailto:sage-support%[email protected]<sage-support%[email protected]> > > > > For more options, visit this group at > > http://groups.google.com/group/sage-support > > URL: http://www.sagemath.org > > > > > > -- > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected]<sage-support%[email protected]> > > For more options, visit this group at > > http://groups.google.com/group/sage-support > > URL: http://www.sagemath.org > > -- > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected]<sage-support%[email protected]> > For more options, visit this group at > http://groups.google.com/group/sage-support > URL: http://www.sagemath.org > -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
