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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="line"><span class="lineno"> 464</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/random/srand.html">std::srand</a>(<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/chrono/c/time.html">std::time</a>(<span class="keyword">nullptr</span>));</div>
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<div class="ttc" id="aclock_t_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/chrono/c/clock_t.html">std::clock_t</a></div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a0283886819c7c140a023582b7269e2d0"><div class="ttname"><a href="../../d9/d49/kohonen__som__trace_8cpp.html#a0283886819c7c140a023582b7269e2d0">test2</a></div><div class="ttdeci">void test2()</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:315</div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a1440a7779ac56f47a3f355ce4a8c7da0"><div class="ttname"><a href="../../d9/d49/kohonen__som__trace_8cpp.html#a1440a7779ac56f47a3f355ce4a8c7da0">test1</a></div><div class="ttdeci">void test1()</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:233</div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a2256c10b16edba377b64a44b6c656908"><div class="ttname"><a href="../../d9/d49/kohonen__som__trace_8cpp.html#a2256c10b16edba377b64a44b6c656908">get_clock_diff</a></div><div class="ttdeci">double get_clock_diff(clock_t start_t, clock_t end_t)</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:452</div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a6d0455dd5c30adda100e95f0423c786e"><div class="ttname"><a href="../../d9/d49/kohonen__som__trace_8cpp.html#a6d0455dd5c30adda100e95f0423c786e">test3</a></div><div class="ttdeci">void test3()</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:414</div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a0283886819c7c140a023582b7269e2d0"><div class="ttname"><a href="#a0283886819c7c140a023582b7269e2d0">test2</a></div><div class="ttdeci">void test2()</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:315</div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a1440a7779ac56f47a3f355ce4a8c7da0"><div class="ttname"><a href="#a1440a7779ac56f47a3f355ce4a8c7da0">test1</a></div><div class="ttdeci">void test1()</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:233</div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a2256c10b16edba377b64a44b6c656908"><div class="ttname"><a href="#a2256c10b16edba377b64a44b6c656908">get_clock_diff</a></div><div class="ttdeci">double get_clock_diff(clock_t start_t, clock_t end_t)</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:452</div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a6d0455dd5c30adda100e95f0423c786e"><div class="ttname"><a href="#a6d0455dd5c30adda100e95f0423c786e">test3</a></div><div class="ttdeci">void test3()</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:414</div></div>
<div class="ttc" id="asrand_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/numeric/random/srand.html">std::srand</a></div><div class="ttdeci">T srand(T... args)</div></div>
<div class="ttc" id="atime_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/chrono/c/time.html">std::time</a></div><div class="ttdeci">T time(T... args)</div></div>
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<tr>
<td class="memname">void test1 </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td class="paramname"><span class="paramname"></span></td><td>)</td>
<td></td>
</tr>
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@@ -328,18 +316,17 @@ output" style="pointer-events: none;" class="inline"/> </p>
<div class="line"><span class="lineno"> 254</span> }</div>
<div class="line"><span class="lineno"> 255</span> }</div>
<div class="line"><span class="lineno"> 256</span> </div>
<div class="line"><span class="lineno"> 257</span> <a class="code hl_function" href="../../d9/d49/kohonen__som__trace_8cpp.html#ae571600aa42a81bc14a4a602ea5ff00d">test_circle</a>(&amp;X); <span class="comment">// create test data around circumference of a circle</span></div>
<div class="line"><span class="lineno"> 257</span> <a class="code hl_function" href="#ae571600aa42a81bc14a4a602ea5ff00d">test_circle</a>(&amp;X); <span class="comment">// create test data around circumference of a circle</span></div>
<div class="line"><span class="lineno"> 258</span> <a class="code hl_function" href="../../d9/d66/group__machine__learning.html#gae0208548f8b393528e5db01717e88e67">save_nd_data</a>(<span class="stringliteral">&quot;test1.csv&quot;</span>, X); <span class="comment">// save test data points</span></div>
<div class="line"><span class="lineno"> 259</span> <a class="code hl_function" href="../../d9/d66/group__machine__learning.html#gae0208548f8b393528e5db01717e88e67">save_nd_data</a>(<span class="stringliteral">&quot;w11.csv&quot;</span>, W); <span class="comment">// save initial random weights</span></div>
<div class="line"><span class="lineno"> 260</span> <a class="code hl_function" href="../../d8/d77/namespacemachine__learning.html#a042f435bca0839e721fc1574a61e8da3">kohonen_som_tracer</a>(X, &amp;W, 0.1); <span class="comment">// train the SOM</span></div>
<div class="line"><span class="lineno"> 260</span> kohonen_som_tracer(X, &amp;W, 0.1); <span class="comment">// train the SOM</span></div>
<div class="line"><span class="lineno"> 261</span> <a class="code hl_function" href="../../d9/d66/group__machine__learning.html#gae0208548f8b393528e5db01717e88e67">save_nd_data</a>(<span class="stringliteral">&quot;w12.csv&quot;</span>, W); <span class="comment">// save the resultant weights</span></div>
<div class="line"><span class="lineno"> 262</span>}</div>
<div class="ttc" id="adata__structures_2sparse__table_8cpp_html_a10f3ffb3f6f7e1b83d556b9c8de89a5d"><div class="ttname"><a href="../../d6/d42/data__structures_2sparse__table_8cpp.html#a10f3ffb3f6f7e1b83d556b9c8de89a5d">data_structures::sparse_table::N</a></div><div class="ttdeci">constexpr uint32_t N</div><div class="ttdoc">A struct to represent sparse table for min() as their invariant function, for the given array A....</div><div class="ttdef"><b>Definition</b> sparse_table.cpp:47</div></div>
<div class="ttc" id="agroup__machine__learning_html_gae0208548f8b393528e5db01717e88e67"><div class="ttname"><a href="../../d9/d66/group__machine__learning.html#gae0208548f8b393528e5db01717e88e67">save_nd_data</a></div><div class="ttdeci">int save_nd_data(const char *fname, const std::vector&lt; std::valarray&lt; double &gt; &gt; &amp;X)</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:58</div></div>
<div class="ttc" id="agroup__machine__learning_html_gaf5ce14f026d6d231bef29161bac2b485"><div class="ttname"><a href="../../d9/d66/group__machine__learning.html#gaf5ce14f026d6d231bef29161bac2b485">_random</a></div><div class="ttdeci">double _random(double a, double b)</div><div class="ttdef"><b>Definition</b> kohonen_som_topology.cpp:53</div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_ae571600aa42a81bc14a4a602ea5ff00d"><div class="ttname"><a href="../../d9/d49/kohonen__som__trace_8cpp.html#ae571600aa42a81bc14a4a602ea5ff00d">test_circle</a></div><div class="ttdeci">void test_circle(std::vector&lt; std::valarray&lt; double &gt; &gt; *data)</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:196</div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_ae571600aa42a81bc14a4a602ea5ff00d"><div class="ttname"><a href="#ae571600aa42a81bc14a4a602ea5ff00d">test_circle</a></div><div class="ttdeci">void test_circle(std::vector&lt; std::valarray&lt; double &gt; &gt; *data)</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:196</div></div>
<div class="ttc" id="amax_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a></div><div class="ttdeci">T max(T... args)</div></div>
<div class="ttc" id="anamespacemachine__learning_html_a042f435bca0839e721fc1574a61e8da3"><div class="ttname"><a href="../../d8/d77/namespacemachine__learning.html#a042f435bca0839e721fc1574a61e8da3">machine_learning::kohonen_som_tracer</a></div><div class="ttdeci">void kohonen_som_tracer(const std::vector&lt; std::valarray&lt; double &gt; &gt; &amp;X, std::vector&lt; std::valarray&lt; double &gt; &gt; *W, double alpha_min)</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:149</div></div>
<div class="ttc" id="avalarray_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a></div></div>
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a></div></div>
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<td class="memname">void test2 </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td class="paramname"><span class="paramname"></span></td><td>)</td>
<td></td>
</tr>
</table>
@@ -399,13 +386,13 @@ output" style="pointer-events: none;" class="inline"/> </p>
<div class="line"><span class="lineno"> 336</span> }</div>
<div class="line"><span class="lineno"> 337</span> }</div>
<div class="line"><span class="lineno"> 338</span> </div>
<div class="line"><span class="lineno"> 339</span> <a class="code hl_function" href="../../d9/d49/kohonen__som__trace_8cpp.html#a53082f2e5bacec40266499da4547309a">test_lamniscate</a>(&amp;X); <span class="comment">// create test data around the lamniscate</span></div>
<div class="line"><span class="lineno"> 339</span> <a class="code hl_function" href="#a53082f2e5bacec40266499da4547309a">test_lamniscate</a>(&amp;X); <span class="comment">// create test data around the lamniscate</span></div>
<div class="line"><span class="lineno"> 340</span> <a class="code hl_function" href="../../d9/d66/group__machine__learning.html#gae0208548f8b393528e5db01717e88e67">save_nd_data</a>(<span class="stringliteral">&quot;test2.csv&quot;</span>, X); <span class="comment">// save test data points</span></div>
<div class="line"><span class="lineno"> 341</span> <a class="code hl_function" href="../../d9/d66/group__machine__learning.html#gae0208548f8b393528e5db01717e88e67">save_nd_data</a>(<span class="stringliteral">&quot;w21.csv&quot;</span>, W); <span class="comment">// save initial random weights</span></div>
<div class="line"><span class="lineno"> 342</span> <a class="code hl_function" href="../../d8/d77/namespacemachine__learning.html#a042f435bca0839e721fc1574a61e8da3">kohonen_som_tracer</a>(X, &amp;W, 0.01); <span class="comment">// train the SOM</span></div>
<div class="line"><span class="lineno"> 342</span> kohonen_som_tracer(X, &amp;W, 0.01); <span class="comment">// train the SOM</span></div>
<div class="line"><span class="lineno"> 343</span> <a class="code hl_function" href="../../d9/d66/group__machine__learning.html#gae0208548f8b393528e5db01717e88e67">save_nd_data</a>(<span class="stringliteral">&quot;w22.csv&quot;</span>, W); <span class="comment">// save the resultant weights</span></div>
<div class="line"><span class="lineno"> 344</span>}</div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a53082f2e5bacec40266499da4547309a"><div class="ttname"><a href="../../d9/d49/kohonen__som__trace_8cpp.html#a53082f2e5bacec40266499da4547309a">test_lamniscate</a></div><div class="ttdeci">void test_lamniscate(std::vector&lt; std::valarray&lt; double &gt; &gt; *data)</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:277</div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a53082f2e5bacec40266499da4547309a"><div class="ttname"><a href="#a53082f2e5bacec40266499da4547309a">test_lamniscate</a></div><div class="ttdeci">void test_lamniscate(std::vector&lt; std::valarray&lt; double &gt; &gt; *data)</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:277</div></div>
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@@ -423,7 +410,7 @@ Here is the call graph for this function:</div>
<tr>
<td class="memname">void test3 </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td class="paramname"><span class="paramname"></span></td><td>)</td>
<td></td>
</tr>
</table>
@@ -463,13 +450,13 @@ output" style="pointer-events: none;" class="inline"/> </p>
<div class="line"><span class="lineno"> 435</span> }</div>
<div class="line"><span class="lineno"> 436</span> }</div>
<div class="line"><span class="lineno"> 437</span> </div>
<div class="line"><span class="lineno"> 438</span> <a class="code hl_function" href="../../d9/d49/kohonen__som__trace_8cpp.html#a7154fe319e6033485a8a6cd6f0d8932d">test_3d_classes</a>(&amp;X); <span class="comment">// create test data around the lamniscate</span></div>
<div class="line"><span class="lineno"> 438</span> <a class="code hl_function" href="#a7154fe319e6033485a8a6cd6f0d8932d">test_3d_classes</a>(&amp;X); <span class="comment">// create test data around the lamniscate</span></div>
<div class="line"><span class="lineno"> 439</span> <a class="code hl_function" href="../../d9/d66/group__machine__learning.html#gae0208548f8b393528e5db01717e88e67">save_nd_data</a>(<span class="stringliteral">&quot;test3.csv&quot;</span>, X); <span class="comment">// save test data points</span></div>
<div class="line"><span class="lineno"> 440</span> <a class="code hl_function" href="../../d9/d66/group__machine__learning.html#gae0208548f8b393528e5db01717e88e67">save_nd_data</a>(<span class="stringliteral">&quot;w31.csv&quot;</span>, W); <span class="comment">// save initial random weights</span></div>
<div class="line"><span class="lineno"> 441</span> <a class="code hl_function" href="../../d8/d77/namespacemachine__learning.html#a042f435bca0839e721fc1574a61e8da3">kohonen_som_tracer</a>(X, &amp;W, 0.01); <span class="comment">// train the SOM</span></div>
<div class="line"><span class="lineno"> 441</span> kohonen_som_tracer(X, &amp;W, 0.01); <span class="comment">// train the SOM</span></div>
<div class="line"><span class="lineno"> 442</span> <a class="code hl_function" href="../../d9/d66/group__machine__learning.html#gae0208548f8b393528e5db01717e88e67">save_nd_data</a>(<span class="stringliteral">&quot;w32.csv&quot;</span>, W); <span class="comment">// save the resultant weights</span></div>
<div class="line"><span class="lineno"> 443</span>}</div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a7154fe319e6033485a8a6cd6f0d8932d"><div class="ttname"><a href="../../d9/d49/kohonen__som__trace_8cpp.html#a7154fe319e6033485a8a6cd6f0d8932d">test_3d_classes</a></div><div class="ttdeci">void test_3d_classes(std::vector&lt; std::valarray&lt; double &gt; &gt; *data)</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:359</div></div>
<div class="ttc" id="akohonen__som__trace_8cpp_html_a7154fe319e6033485a8a6cd6f0d8932d"><div class="ttname"><a href="#a7154fe319e6033485a8a6cd6f0d8932d">test_3d_classes</a></div><div class="ttdeci">void test_3d_classes(std::vector&lt; std::valarray&lt; double &gt; &gt; *data)</div><div class="ttdef"><b>Definition</b> kohonen_som_trace.cpp:359</div></div>
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@@ -487,8 +474,7 @@ Here is the call graph for this function:</div>
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<td class="memname">void test_3d_classes </td>
<td>(</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; *&#160;</td>
<td class="paramname"><em>data</em></td><td>)</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; *</td> <td class="paramname"><span class="paramname"><em>data</em></span></td><td>)</td>
<td></td>
</tr>
</table>
@@ -564,8 +550,7 @@ Here is the call graph for this function:</div>
<tr>
<td class="memname">void test_circle </td>
<td>(</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; *&#160;</td>
<td class="paramname"><em>data</em></td><td>)</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; *</td> <td class="paramname"><span class="paramname"><em>data</em></span></td><td>)</td>
<td></td>
</tr>
</table>
@@ -620,8 +605,7 @@ Here is the call graph for this function:</div>
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<td class="memname">void test_lamniscate </td>
<td>(</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; *&#160;</td>
<td class="paramname"><em>data</em></td><td>)</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; *</td> <td class="paramname"><span class="paramname"><em>data</em></span></td><td>)</td>
<td></td>
</tr>
</table>
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