I have added this as a second solution, based on @mico's comment to my earlier solution. It uses a non-free but no-cost font, MTPro2 Lite from PCTeX.
The use of the font to produce large delimiters needs a different syntax as well as loading the font (if a regular user of MTPro2 knows better, please let us know). Unlike
\yhmath these delimiters can scale to very large matrices (up to 4 inches high, according to the documentation). The syntax is described in detail in section 2.12 of the MTPro2 LaTeX Guide. For example: