updated rectification exercise

paris-swc · Apr 28, 2016 · 8799edb · 8799edb
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diff --git a/02-indexing.html b/02-indexing.html
@@ -135,7 +135,7 @@ <h2 id="view-or-copy-1"><span class="glyphicon glyphicon-pencil"></span>View or
 <h2 id="rectification"><span class="glyphicon glyphicon-pencil"></span>Rectification</h2>
 </div>
 <div class="panel-body">
-<p>Rectify an array with random numbers from normal distribution (generated with <code>np.random.randn</code>) using boolean indexing.</p>
+<p>Rectify an array (replace negative elements with zeros) of random numbers from normal distribution (generated with <code>np.random.randn</code>) using boolean indexing.</p>
 </div>
 </section>
 <h3 id="fancy-indexing">Fancy indexing</h3>

diff --git a/02-indexing.md b/02-indexing.md
@@ -127,7 +127,7 @@ array([ 0, -1,  2, -1])
 
 > ## Rectification {.challenge}
 >
-> Rectify an array with random numbers from normal distribution (generated with `np.random.randn`) using boolean indexing.
+> Rectify an array (replace negative elements with zeros) of random numbers from normal distribution (generated with `np.random.randn`) using boolean indexing.
 
 ### Fancy indexing