# C1.Framework.Mathematics.Vector.op_UnaryNegation

## Content

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<h1 id="C1_Framework_Mathematics_Vector_op_UnaryNegation_" data-uid="C1.Framework.Mathematics.Vector.op_UnaryNegation*">operator - Operator
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<div class="markdown level0 conceptual"></div>



<a id="C1_Framework_Mathematics_Vector_op_UnaryNegation_" data-uid="C1.Framework.Mathematics.Vector.op_UnaryNegation*"></a>
<h4 id="C1_Framework_Mathematics_Vector_op_UnaryNegation_C1_Framework_Mathematics_Vector_" data-uid="C1.Framework.Mathematics.Vector.op_UnaryNegation(C1.Framework.Mathematics.Vector)">operator -(Vector)</h4>
<div class="markdown level1 summary"><p>Defines the unary - operator for vector.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public static Vector operator -(Vector value)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Shared Operator -(value As Vector) As Vector</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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      <td><a class="xref" href="C1.Framework.Mathematics.Vector.html">Vector</a></td>
      <td><span class="parametername">value</span></td>
      <td><p>A <a class="xref" href="C1.Framework.Mathematics.Vector.html">Vector</a> indicates the operand.</p>
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    </tr>
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<h5 class="returns">Returns</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
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      <td><a class="xref" href="C1.Framework.Mathematics.Vector.html">Vector</a></td>
      <td><p>A <a class="xref" href="C1.Framework.Mathematics.Vector.html">Vector</a> that is the unary minus result of the operands.</p>
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<h5 id="C1_Framework_Mathematics_Vector_op_UnaryNegation_C1_Framework_Mathematics_Vector__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>-(n1, n2, n3) = (-n1, -n2, -n3)</p>
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