On Tue, Mar 19, 2013 at 11:10 AM, Robert Flintham < robert.flint...@uhb.nhs.uk> wrote:
> Hi,**** > > ** ** > > I’m trying to run the following, with <an array> representing an array of > floating point numbers:**** > > ** ** > > ------------------------------------------------------------**** > > import numpy as np**** > > import scipy as sp**** > > from scipy import optimize**** > > ** ** > > xdata=<an array>**** > > ydata=<an array>**** > > ** ** > > def t2fit(x,T2,A):**** > > return A * np.exp(-x/T2)**** > > ** ** > > popt, pcov = optimize.curve_fit(t2fit, xdata, ydata, p0=None, sigma=None)* > *** > > ------------------------------------------------------------**** > > ** ** > > But I’m getting an ImportError:**** > > ** ** > > Traceback (most recent call last):**** > > File > "K:\eclipse\plugins\org.python.pydev_2.7.1.2012100913\pysrc\pydevd.py", > line 1397, in <module>**** > > debugger.run(setup['file'], None, None)**** > > File > "K:\eclipse\plugins\org.python.pydev_2.7.1.2012100913\pysrc\pydevd.py", > line 1090, in run**** > > pydev_imports.execfile(file, globals, locals) #execute the script**** > > File > "K:\eclipse\plugins\org.python.pydev_2.7.1.2012100913\pysrc\_pydev_execfile.py", > line 38, in execfile**** > > exec(compile(contents+"\n", file, 'exec'), glob, loc) #execute the > script**** > > File "K:\PROGRAMMING\MRI_Python\fatfrac.py", line 7, in <module>**** > > from scipy import optimize**** > > File "K:\Python33\lib\site-packages\scipy\optimize\__init__.py", line > 147, in <module>**** > > from ._minimize import ***** > > File "K:\Python33\lib\site-packages\scipy\optimize\_minimize.py", line > 29, in <module>**** > > from .lbfgsb import _minimize_lbfgsb**** > > File "K:\Python33\lib\site-packages\scipy\optimize\lbfgsb.py", line 40, > in <module>**** > > from . import _lbfgsb**** > > ImportError: DLL load failed: The specified module could not be found.**** > > ** > Looking at the paths, it looks like some packages are for p 2.7 and some for p 3.3 > ** > > ** ** > > I’ve checked the path, and the file lbfgsb.py is definitely at that > location (as are optimize.py and _minimize.py). Does anyone know why I’m > getting the error?**** > > ** ** > > All the best,**** > > Rob**** > > ** ** > > ** ** > > ** ** > > *Robert Flintham > Trainee Clinical Scientist - MRI***** > > Tel:**** > > +44 (0)121 371 7000**** > > Email:**** > > robert.flint...@uhb.nhs.uk**** > > Web:**** > > http://www.uhb.nhs.uk**** > > > *We’re bringing the world's most advanced cancer treatments to Birmingham. > Find out more at www.qecancerappeal.org or text **QEHB01 £5** to **70070**to > donate £5 to our appeal. > ** > ** > RRPPS > Medical Physics - University Hospitals Birmingham NHS Foundation Trust > 63 Melchett Road, Kings Norton, > Birmingham, B30 3HP > ** > ******* > > > > DISCLAIMER: > > This email and any attachments hereto contains proprietary information, some > or all of which may be confidential or legally privileged. It is for the > exclusive use of the intended recipient(s) only. If an addressing or > transmission error has misdirected this e-mail and you are not the intended > recipient(s), please notify the author by replying to this e-mail. If you are > not the intended recipient you must not use, disclose, distribute, copy, > print, or rely on this e-mail or any attachments, as this may be unlawful. > > -- > http://mail.python.org/mailman/listinfo/python-list > > -- Joel Goldstick http://joelgoldstick.com
<<image001.gif>>
-- http://mail.python.org/mailman/listinfo/python-list
