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@@ -13175,7 +13175,14 @@ the above settings can be combined using the + operator; for exampl
solve_opts::fast 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 solve_opts::no_approx option is not enabled, a warning is emitted and an approximate solution is attempted;
+#define ARMA_WARN_LEVEL 1
+#include <armadillo>
+solve_opts::fast will speed up finding the solution, but for poorly conditioned systems the solution may have lower quality