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<a href="#func-members">Functions</a> </div>
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<div class="title">dist_based_position.c File Reference</div> </div>
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<p>Functions of distance-based localization systems.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include "<a class="el" href="dist__based__position_8h_source.html">dist_based_position.h</a>"</code><br />
<code>#include <math.h></code><br />
<code>#include "<a class="el" href="matrix_8h_source.html">matrix.h</a>"</code><br />
<code>#include "<a class="el" href="vector_8h_source.html">vector.h</a>"</code><br />
</div>
<p><a href="dist__based__position_8c_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a308f40001270af6663e2b1f9aff47cc3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="dist__based__position_8c.html#a308f40001270af6663e2b1f9aff47cc3">dist_based_get_absolute_error</a> (<a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> value_arr[], <a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> approx_value_arr[], <a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> absolute_error_arr[], uint8_t length)</td></tr>
<tr class="memdesc:a308f40001270af6663e2b1f9aff47cc3"><td class="mdescLeft"> </td><td class="mdescRight">Computes the absolute error of a position of a distance-based localization system. <a href="dist__based__position_8c.html#a308f40001270af6663e2b1f9aff47cc3">More...</a><br /></td></tr>
<tr class="separator:a308f40001270af6663e2b1f9aff47cc3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a756c1407a4ba61d312a676ffd824517d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="dist__based__position_8c.html#a756c1407a4ba61d312a676ffd824517d">dist_based_get_distance_to_anchor</a> (<a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> ref_point[3], <a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> point[3])</td></tr>
<tr class="memdesc:a756c1407a4ba61d312a676ffd824517d"><td class="mdescLeft"> </td><td class="mdescRight">Computes the distance between a mobile station and a reference station of a distance-based localization system. <a href="dist__based__position_8c.html#a756c1407a4ba61d312a676ffd824517d">More...</a><br /></td></tr>
<tr class="separator:a756c1407a4ba61d312a676ffd824517d"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Functions of distance-based localization systems. </p>
<dl class="section author"><dt>Author</dt><dd>Zakaria Kasmi <a href="#" onclick="location.href='mai'+'lto:'+'zka'+'sm'+'i@i'+'nf'+'.fu'+'-b'+'erl'+'in'+'.de'; return false;">zkasm<span style="display: none;">.nosp@m.</span>i@in<span style="display: none;">.nosp@m.</span>f.fu-<span style="display: none;">.nosp@m.</span>berl<span style="display: none;">.nosp@m.</span>in.de</a> </dd></dl>
<p class="definition">Definition in file <a class="el" href="dist__based__position_8c_source.html">dist_based_position.c</a>.</p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a308f40001270af6663e2b1f9aff47cc3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a308f40001270af6663e2b1f9aff47cc3">◆ </a></span>dist_based_get_absolute_error()</h2>
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<td class="memname">void dist_based_get_absolute_error </td>
<td>(</td>
<td class="paramtype"><a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> </td>
<td class="paramname"><em>value_arr</em>[], </td>
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<td></td>
<td class="paramtype"><a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> </td>
<td class="paramname"><em>approx_value_arr</em>[], </td>
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<td class="paramtype"><a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> </td>
<td class="paramname"><em>absolute_error_arr</em>[], </td>
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<td class="paramtype">uint8_t </td>
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<p>Computes the absolute error of a position of a distance-based localization system. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">value_arr[]</td><td>true position. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">approx_value_arr[]</td><td>approximate position of the mobile device. </td></tr>
<tr><td class="paramdir">[in,out]</td><td class="paramname">absolute_error_arr[]</td><td>includes the absolute error. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">length</td><td>arrays length. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="dist__based__position_8c_source.html#l00029">29</a> of file <a class="el" href="dist__based__position_8c_source.html">dist_based_position.c</a>.</p>
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<a id="a756c1407a4ba61d312a676ffd824517d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a756c1407a4ba61d312a676ffd824517d">◆ </a></span>dist_based_get_distance_to_anchor()</h2>
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<td class="memname"><a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> dist_based_get_distance_to_anchor </td>
<td>(</td>
<td class="paramtype"><a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> </td>
<td class="paramname"><em>ref_point</em>[3], </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="matrix_8h.html#af38ac6b76d645fea9abd6caeb4d9dd31">matrix_t</a> </td>
<td class="paramname"><em>point</em>[3] </td>
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<td>)</td>
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<p>Computes the distance between a mobile station and a reference station of a distance-based localization system. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">ref_point</td><td>three-dimensional coordinates of the reference stations. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">point</td><td>three-dimensional coordinates of the mobile device.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the distance between the mobile station and the reference station. </dd></dl>
<p class="definition">Definition at line <a class="el" href="dist__based__position_8c_source.html#l00045">45</a> of file <a class="el" href="dist__based__position_8c_source.html">dist_based_position.c</a>.</p>
<p class="reference">References <a class="el" href="matrix_8h_source.html#l00038">matrix_t</a>, <a class="el" href="vector_8c_source.html#l00042">vector_get_norm2()</a>, and <a class="el" href="vector_8c_source.html#l00094">vector_sub()</a>.</p>
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