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<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:#A020F0"
lang="EN-US"><font color="#000000">just replace </font><br>
</span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:#A020F0"
lang="EN-US">for</span><span
style="font-family:"Monospaced","serif""
lang="EN-US"> <span style="color:black">i</span> <span
style="color:#5C5C5C">=</span> <span
style="color:rosybrown">1</span> <span
style="color:#FFAA00">:</span> <span style="color:black">nl</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif""
lang="EN-US"> <span style="color:black">C</span><span
style="color:#4A55DB">(</span><span style="color:black">i,</span><span
style="color:rosybrown">1</span><span style="color:#4A55DB">)</span>
<span style="color:#5C5C5C">=</span> <span
style="color:black">A</span><span style="color:#4A55DB">(</span><span
style="color:black">i,</span><span style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:#5C5C5C">*</span><span
style="color:black">B</span><span style="color:#4A55DB">(</span><span
style="color:black">i,</span><span style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:black">;</span><o:p></o:p></span></p>
<span
style="font-family:"Monospaced","serif";color:#A020F0"
lang="EN-US">end<br>
<br>
<font color="#000000">by </font><br>
</span><br>
<span
style="font-family:"Monospaced","serif";color:#A020F0"
lang="EN-US"><span
style="font-family:"Monospaced","serif""
lang="EN-US"> <span style="color:black">C</span><span
style="color:#4A55DB">(</span><span style="color:black">:,</span><span
style="color:rosybrown">1</span><span style="color:#4A55DB">)</span>
<span style="color:#5C5C5C">=</span> <span
style="color:black">A</span><span style="color:#4A55DB">(</span><span
style="color:black">:,</span><span style="color:rosybrown">1</span><span
style="color:#4A55DB">) .</span><span style="color:#5C5C5C">*</span><span
style="color:black"> B</span><span style="color:#4A55DB">(</span><span
style="color:black">:,</span><span style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:black">;<br>
<br>
Serge Steer<br>
<br>
</span></span></span>On 15/11/2012 09:21, Paul Carrico wrote:<br>
</div>
<blockquote
cite="mid:000901cdc30a$466c62d0$d3452870$@carrico@free.fr"
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<p class="MsoNormal">Dear all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">Sorry for this basic
question but I failed in finding the answer after a look in
the documentation …<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">… how can I optimize the
following basic code (using vectorization instead of loops)
?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks to the community<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Paul<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:#32B9B9"
lang="EN-US">mode</span><span
style="font-family:"Monospaced","serif";color:#4A55DB"
lang="EN-US">(</span><span
style="font-family:"Monospaced","serif";color:rosybrown"
lang="EN-US">0</span><span
style="font-family:"Monospaced","serif";color:#4A55DB"
lang="EN-US">)</span><span
style="font-family:"Monospaced","serif""
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif""
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:black"
lang="EN-US">A</span><span
style="font-family:"Monospaced","serif""
lang="EN-US"> <span style="color:#5C5C5C">=</span> <span
style="color:#4A55DB">[</span><span
style="color:rosybrown">1</span> <span
style="color:#FFAA00">:</span> <span
style="color:rosybrown">0.2</span> <span
style="color:#FFAA00">:</span> <span
style="color:rosybrown">100</span><span
style="color:#4A55DB">]</span><span style="color:#5C5C5C">'</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:black"
lang="EN-US">B</span><span
style="font-family:"Monospaced","serif""
lang="EN-US"> <span style="color:#5C5C5C">=</span> <span
style="color:#4A55DB">[</span><span
style="color:rosybrown">100</span> <span
style="color:#FFAA00">:</span> <span
style="color:rosybrown">1</span> <span
style="color:#FFAA00">:</span> <span
style="color:rosybrown">595</span><span
style="color:#4A55DB">]</span><span style="color:#5C5C5C">'</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif""
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:#4A55DB"
lang="EN-US">[</span><span
style="font-family:"Monospaced","serif";color:black"
lang="EN-US">nl,nc</span><span
style="font-family:"Monospaced","serif";color:#4A55DB"
lang="EN-US">]</span><span
style="font-family:"Monospaced","serif""
lang="EN-US"> <span style="color:#5C5C5C">=</span> <span
style="color:#32B9B9">size</span><span
style="color:#4A55DB">(</span><span style="color:black">A</span><span
style="color:#4A55DB">)</span><span style="color:black">;</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:black"
lang="EN-US">C</span><span
style="font-family:"Monospaced","serif""
lang="EN-US"> <span style="color:#5C5C5C">=</span> <span
style="color:#32B9B9">zeros</span><span
style="color:#4A55DB">(</span><span style="color:black">nl,</span><span
style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:black">;</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif""
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:#A020F0"
lang="EN-US">for</span><span
style="font-family:"Monospaced","serif""
lang="EN-US"> <span style="color:black">i</span> <span
style="color:#5C5C5C">=</span> <span
style="color:rosybrown">1</span> <span
style="color:#FFAA00">:</span> <span style="color:black">nl</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif""
lang="EN-US"> <span style="color:black">C</span><span
style="color:#4A55DB">(</span><span style="color:black">i,</span><span
style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span> <span
style="color:#5C5C5C">=</span> <span style="color:black">A</span><span
style="color:#4A55DB">(</span><span style="color:black">i,</span><span
style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:#5C5C5C">*</span><span
style="color:black">B</span><span style="color:#4A55DB">(</span><span
style="color:black">i,</span><span style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:black">;</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:#A020F0"
lang="EN-US">end</span><span
style="font-family:"Monospaced","serif""
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif""
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span
style="font-family:"Monospaced","serif";color:#64AE64"
lang="EN-US">// D = prod(</span></i><span
style="font-family:"Monospaced","serif""
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><i><span
style="font-family:"Monospaced","serif";color:#64AE64">//A(nl,1)*B(nl,1)
- C(nl,1)</span></i><span
style="font-family:"Monospaced","serif""><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
</div>
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