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POundefined symbol: clapack_sgesv
 

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    <p>I have this little code:</p> <pre><code>from numpy import * from scipy import signal, misc import matplotlib.pyplot as plt path="~/pics/" band_1 = misc.imread(path + "foo.tif"); H = array((1/2.0, 1/4.0, 1/2.0)); signal.convolve2d(band_1.flatten(), H) plt.figure() plt.imshow(band_1) plt.show() </code></pre> <p>then I execute this code <code>python foo.py</code> and it throws this error:</p> <pre><code>Traceback (most recent call last): File "foo.py", line 2, in &lt;module&gt; from scipy import signal File "/usr/lib/python2.6/site-packages/scipy/signal/__init__.py", line 10, in &lt;module&gt; from filter_design import * File "/usr/lib/python2.6/site-packages/scipy/signal/filter_design.py", line 12, in &lt;module&gt; from scipy import special, optimize File "/usr/lib/python2.6/site-packages/scipy/optimize/__init__.py", line 14, in &lt;module&gt; from nonlin import * File "/usr/lib/python2.6/site-packages/scipy/optimize/nonlin.py", line 113, in &lt;module&gt; from scipy.linalg import norm, solve, inv, qr, svd, lstsq, LinAlgError File "/usr/lib/python2.6/site-packages/scipy/linalg/__init__.py", line 9, in &lt;module&gt; from basic import * File "/usr/lib/python2.6/site-packages/scipy/linalg/basic.py", line 14, in &lt;module&gt; from lapack import get_lapack_funcs File "/usr/lib/python2.6/site-packages/scipy/linalg/lapack.py", line 15, in &lt;module&gt; from scipy.linalg import clapack ImportError: /usr/lib/python2.6/site-packages/scipy/linalg/clapack.so: undefined symbol: clapack_sgesv </code></pre> <p>What is wrong? It seems to be <code>from scipy import signal</code> but I do not know clearly.</p> <p>I have check another sources and forums but there is no reasons yet:</p> <ul> <li><a href="http://old.nabble.com/scipy.interpolate-imports---%3E-lapack-errors-td30343730.html" rel="nofollow">http://old.nabble.com/scipy.interpolate-imports---%3E-lapack-errors-td30343730.html</a></li> <li><a href="http://permalink.gmane.org/gmane.comp.python.scientific.user/27290" rel="nofollow">http://permalink.gmane.org/gmane.comp.python.scientific.user/27290</a></li> </ul> <p>Thank you</p>
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