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<title>GNU Scientific Library &ndash; Reference Manual: Initializing vector elements</title>

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<a name="Initializing-vector-elements"></a>
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<p>
Next: <a href="Reading-and-writing-vectors.html#Reading-and-writing-vectors" accesskey="n" rel="next">Reading and writing vectors</a>, Previous: <a href="Accessing-vector-elements.html#Accessing-vector-elements" accesskey="p" rel="previous">Accessing vector elements</a>, Up: <a href="Vectors.html#Vectors" accesskey="u" rel="up">Vectors</a> &nbsp; [<a href="Function-Index.html#Function-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Initializing-vector-elements-1"></a>
<h4 class="subsection">8.3.3 Initializing vector elements</h4>
<a name="index-vectors_002c-initializing"></a>
<a name="index-initializing-vectors"></a>

<dl>
<dt><a name="index-gsl_005fvector_005fset_005fall"></a>Function: <em>void</em> <strong>gsl_vector_set_all</strong> <em>(gsl_vector * <var>v</var>, double <var>x</var>)</em></dt>
<dd><p>This function sets all the elements of the vector <var>v</var> to the value
<var>x</var>.
</p></dd></dl>

<dl>
<dt><a name="index-gsl_005fvector_005fset_005fzero"></a>Function: <em>void</em> <strong>gsl_vector_set_zero</strong> <em>(gsl_vector * <var>v</var>)</em></dt>
<dd><p>This function sets all the elements of the vector <var>v</var> to zero.
</p></dd></dl>

<dl>
<dt><a name="index-gsl_005fvector_005fset_005fbasis"></a>Function: <em>int</em> <strong>gsl_vector_set_basis</strong> <em>(gsl_vector * <var>v</var>, size_t <var>i</var>)</em></dt>
<dd><p>This function makes a basis vector by setting all the elements of the
vector <var>v</var> to zero except for the <var>i</var>-th element which is set to
one.
</p></dd></dl>




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