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mention emitted warning when a rank deficient system is detected

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conrad
2021-07-21 16:16:14 +10:00
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@@ -13175,7 +13175,14 @@ the above settings can be combined using the <code>+</code> operator; for exampl
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<b>Caveat:</b> using <i><code>solve_opts::fast</code></i> will speed up finding the solution, but for poorly conditioned systems the solution may have lower quality
If a rank deficient system is detected and the <i><code>solve_opts::no_approx</code></i> option is <b>not</b> enabled, a warning is emitted and an approximate solution is attempted;
<br>in Armadillo 10.4 and later versions, this warning can be disabled by setting <a href="#config_hpp">ARMA_WARN_LEVEL</a> to 1 before including the armadillo header:
<br><code>#define ARMA_WARN_LEVEL 1</code>
<br><code>#include&nbsp;&lt;armadillo&gt;</code>
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<b>Caveat:</b> using <i><code>solve_opts::fast</code></i> will speed up finding the solution, but for poorly conditioned systems the solution may have lower quality
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