## Error in solve.default(mat) : Lapack routine dgesv: system is exactly singular: U[2,2] = 0

Error in solve.default(mat) Lapack routine dgesv system is exactly singular: Lapack routine dgesv: system is exactly singular: U[2,2] = 0 When attempting to utilize the solution() method on a singular matrix that lacks a matrix inverse, an error like this one will appear. This lesson explains how to fix this mistake practically. How to Make…