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README.md

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-# Optimization for ill-conditioned problems
+# Minimization of ill-conditioned problems
 ## Regularized quasi-Newton optimisation
 Currently the only function, `rnewt` implements general-purpose regularized quasi-Newton optimisation routines as presented in [Kanzow and Steck (2023)](https://link.springer.com/article/10.1007/s12532-023-00238-4). The C++ code is written from scratch, and the More-Thuente linesearch script is an R-port specifically written for this implementation, but translated from [the python implementation associated to the article](https://github.com/dmsteck/paper-regularized-qn-benchmark/blob/d6777fa872bebcc38ebe2d7aa9dc21862d3b7ffd/utility/morethuente.py#L4).