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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">namespace &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../dd/d47/namespacemath.html">math</a></td></tr>
<tr class="memitem:math" id="r_math"><td class="memItemLeft" align="right" valign="top">namespace &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../dd/d47/namespacemath.html">math</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">namespace &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d4/d91/namespacevector__cross.html">vector_cross</a></td></tr>
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<tr class="memdesc:d4/d91/namespacevector__cross"><td class="mdescLeft">&#160;</td><td class="mdescRight">Functions for Vector Cross Product algorithms. <br /></td></tr>
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<tr class="memdesc:a225732399c5c076976eae5b180a9f8c9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Function to calculate the cross product of the passed arrays containing the direction ratios of the two mathematical vectors. <br /></td></tr>
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<tr class="memdesc:a4b2a9757a87c18e1642d72410ecfaba8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculates the magnitude of the mathematical vector from it's direction ratios. <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Calculates the <a href="https://en.wikipedia.org/wiki/Cross_product" target="_blank">Cross Product</a> and the magnitude of two mathematical 3D vectors. </p>
<p>Cross Product of two vectors gives a vector. Direction Ratios of a vector are the numeric parts of the given vector. They are the tree parts of the vector which determine the magnitude (value) of the vector. The method of finding a cross product is the same as finding the determinant of an order 3 matrix consisting of the first row with unit vectors of magnitude 1, the second row with the direction ratios of the first vector and the third row with the direction ratios of the second vector. The magnitude of a vector is it's value expressed as a number. Let the direction ratios of the first vector, P be: a, b, c Let the direction ratios of the second vector, Q be: x, y, z Therefore the calculation for the cross product can be arranged as:</p>
<div class="fragment"><div class="line">P x Q:</div>
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</div><!-- fragment --><p>The direction ratios (DR) are calculated as follows: 1st DR, J: (b * z) - (c * y) 2nd DR, A: -((a * z) - (c * x)) 3rd DR, N: (a * y) - (b * x)</p>
<p>Therefore, the direction ratios of the cross product are: J, A, N The following C++ Program calculates the direction ratios of the cross products of two vector. The program uses a function, cross() for doing so. The direction ratios for the first and the second vector has to be passed one by one seperated by a space character.</p>
<p>Magnitude of a vector is the square root of the sum of the squares of the direction ratios.</p>
<h3><a class="anchor" id="autotoc_md87"></a>
<h3 class="doxsection"><a class="anchor" id="autotoc_md87"></a>
Example:</h3>
<p>An example of a running instance of the executable program:</p>
<p>Pass the first Vector: 1 2 3 Pass the second Vector: 4 5 6 The cross product is: -3 6 -3 Magnitude: 7.34847</p>
<dl class="section author"><dt>Author</dt><dd><a href="https://github.com/Shreyas-OwO" target="_blank">Shreyas Sable</a> </dd></dl>
<p class="definition">Definition in file <a class="el" href="../../df/d66/vector__cross__product_8cpp_source.html">vector_cross_product.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a225732399c5c076976eae5b180a9f8c9">&#9670;&#160;</a></span>cross()</h2>
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