Re: fastest way to read a text file in to a numpy array

2016-06-30 Thread Christian Gollwitzer
Am 30.06.16 um 17:49 schrieb Heli: Dear all, After a few tests, I think I will need to correct a bit my question. I will give an example here. I have file 1 with 250 lines: X1,Y1,Z1 X2,Y2,Z2 Then I have file 2 with 3M lines: X1,Y1,Z1,value11,value12, value13, X2,Y2,Z2,value21,value22

Re: fastest way to read a text file in to a numpy array

2016-06-30 Thread Heli
Dear all, After a few tests, I think I will need to correct a bit my question. I will give an example here. I have file 1 with 250 lines: X1,Y1,Z1 X2,Y2,Z2 Then I have file 2 with 3M lines: X1,Y1,Z1,value11,value12, value13, X2,Y2,Z2,value21,value22, value23,... I will need to

Re: fastest way to read a text file in to a numpy array

2016-06-28 Thread Cody Piersall
On Tue, Jun 28, 2016 at 8:45 AM, Heli wrote: > Hi, > > I need to read a file in to a 2d numpy array containing many number of lines. > I was wondering what is the fastest way to do this? > > Is even reading the file in to numpy array the best method or there are > better approaches? > numpy.genf

Re: fastest way to read a text file in to a numpy array

2016-06-28 Thread Michael Selik
On Tue, Jun 28, 2016 at 10:08 AM Hedieh Ebrahimi wrote: > File 1 has : > x1,y1,z1 > x2,y2,z2 > > > and file2 has : > x1,y1,z1,value1 > x2,y2,z2,value2 > x3,y3,z3,value3 > ... > > I need to read the coordinates from file 1 and then interpolate a value > for these coordinates on file 2 to the

Re: fastest way to read a text file in to a numpy array

2016-06-28 Thread Michael Selik
On Tue, Jun 28, 2016 at 9:51 AM Heli wrote: > Is even reading the file in to numpy array the best method or there are > better approaches? > What are you trying to accomplish? Summary statistics, data transformation, analysis...? -- https://mail.python.org/mailman/listinfo/python-list