Rust, Design Patterns, Matrix Factorization, Numerical Methods, Software Engineering.
*value <= Numeric::zero() { return false } } } else { return false } true } // Source: https://www.astro.umd.edu/~ricotti/NEWWEB/teaching/ASTR415/InClassExamples/NR3/code/cholesky.h fn cholesky(&self) -> Result<Matrix<f64>, CholeskyDecompositionError> { if !self.is_positive_definite() { return