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<title>Constructing the knots vector - GNU Scientific Library -- Reference Manual</title>
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<a name="Constructing-the-knots-vector"></a>
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<h3 class="section">38.3 Constructing the knots vector</h3>
<p><a name="index-knots-2429"></a>
<div class="defun">
— Function: int <b>gsl_bspline_knots</b> (<var>const gsl_vector * breakpts, gsl_bspline_workspace * w</var>)<var><a name="index-gsl_005fbspline_005fknots-2430"></a></var><br>
<blockquote><p>This function computes the knots associated with the given breakpoints
and stores them internally in <code>w->knots</code>.
</p></blockquote></div>
<div class="defun">
— Function: int <b>gsl_bspline_knots_uniform</b> (<var>const double a, const double b, gsl_bspline_workspace * w</var>)<var><a name="index-gsl_005fbspline_005fknots_005funiform-2431"></a></var><br>
<blockquote><p>This function assumes uniformly spaced breakpoints on [a,b]
and constructs the corresponding knot vector using the previously
specified <var>nbreak</var> parameter. The knots are stored in
<code>w->knots</code>.
</p></blockquote></div>
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