![How to format decimals as fractions in SAS](https://blogs.sas.com/content/iml/files/2014/04/hilbertmatrixfract.png)
Yesterday I blogged about the Hilbert matrix. The (i,j)th element of the Hilbert matrix has the value 1 / (i+j-1), which is the reciprocal of an integer. However, the printed Hilbert matrix did not look exactly like the formula because the elements print as finite-precision decimals. For example, the last