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POPython: How does one typically get around "Maximum allowed dimension exceeded" error?
 

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  1. POPython: How does one typically get around "Maximum allowed dimension exceeded" error?
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    <p>I'm trying to make a 2^n x 2^n numpy array of all possible dot product permutations of a <em>very large</em> set of vectors. My test array, "data", is a (129L, 222L) numpy array. My function seems (in my novice opinion) to be pretty straightforward...it's just the fact that i have too much data to process. How do programmers typically get around this issue? Any suggestions? Thanks in advance.</p> <p><strong>My data</strong>:</p> <p><code>&gt;&gt;&gt; data</code></p> <p><code>array([[ 1.36339199e-07, 6.71355407e-09, 2.13336419e-07, ...,</code></p> <pre><code> 8.44471296e-10, 6.02566662e-10, 3.38577178e-10], [ 7.19224620e-08, 5.64739121e-08, 1.49689547e-07, ..., 3.85361972e-10, 3.17756751e-10, 1.68563023e-10], [ 1.93443482e-10, 1.11626853e-08, 2.66691759e-09, ..., 2.20938084e-11, 2.56114420e-11, 1.31865060e-11], ..., [ 7.12584509e-13, 7.70844451e-13, 1.09718565e-12, ..., 2.08390730e-13, 3.05264153e-13, 1.62286818e-13], [ 2.57153616e-13, 6.08747557e-13, 2.00768488e-12, ..., 6.29901984e-13, 1.19631816e-14, 1.05109078e-13], [ 1.74618064e-13, 5.03695393e-13, 1.29632351e-14, ..., 7.60145676e-13, 3.19648911e-14, 8.72102078e-15]])` </code></pre> <p><strong>My function</strong>:</p> <p><code>import numpy as np</code></p> <p><code>from itertools import product, count</code></p> <p><code>def myFunction(data):</code></p> <pre><code>S = np.array([]) num = 2**len(data) y = product(data, repeat = 2) for x in count(): while x &lt;= num: z = y.next() i, j = z s = np.dot(i, j) S = np.insert(S, x, s) break #for the 'StopIteration' issue return np.reshape(S, (num,num)) </code></pre> <p><strong>My error</strong>:</p> <p><code>&gt;&gt;&gt; theMatrix = myFunction(data)</code></p> <blockquote> <p>Traceback (most recent call last):</p> <blockquote> <p>File "C:\Python27\lib\site-packages\IPython\core\interactiveshell.py", line 2721, in run_code exec code_obj in self.user_global_ns, self.user_ns</p> <p>File "", line 1, in <code>&lt;module&gt;</code> matrix = myFunction(data)</p> <p>File "E:\Folder1\Folder2\src\myFunction.py", line 16, in myFunction return np.reshape(S, (num,num))</p> <p>File "C:\Python27\lib\site-packages\numpy\core\fromnumeric.py", line 171, in reshape return reshape(newshape, order=order)</p> </blockquote> <p>ValueError: Maximum allowed dimension exceeded</p> </blockquote>
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