Update README.md

README.md

@@ -59,11 +59,12 @@ Simple example on usage is referred to  [EXAMPLE](https://github.com/chenxinye/m
 Support routines
 ---------------
 
-#### Note these routines work for both hodlr, mphodlr, amphodlr class.
+#### Note these routines work for ``@hodlr``, ``@mphodlr``, and ``@amphodlr`` modules, 
 
 |  Matrix computations | API|
 |  ----  | ----  |
 | Matrix transpose   | [``hodlr(A).transpose()``](https://github.com/chenxinye/mhodlr/blob/main/mhodlr/%40hodlr/hodlr.m) [``mphodlr(A).transpose()``](https://github.com/chenxinye/mhodlr/blob/main/mhodlr/%40mphodlr/mphodlr.m)|
+| Matrix iverse | [``inverse(H)``](https://github.com/chenxinye/mhodlr/blob/main/mhodlr/%40hodlr/inverse.m)|
 | Matrix (vector) multiplication | [``hdot(A/H, H/B)``](https://github.com/chenxinye/mhodlr/blob/main/mhodlr/%40hodlr/hdot.m), [``mphdot``](https://github.com/chenxinye/mhodlr/blob/main/mhodlr/%40mphodlr/mphdot.m) |
 | LU factorization   | [``hlu(H/A)``](https://github.com/chenxinye/mhodlr/blob/main/mhodlr/%40hodlr/hlu.m), [``mhlu(H/A, prec)``](https://github.com/chenxinye/mhodlr/blob/main/mhodlr/%40hodlr/mhlu.m)|
 | Cholesky factorization  | [``hchol(H/A)``](https://github.com/chenxinye/mhodlr/blob/main/mhodlr/%40hodlr/hchol.m), [``mhchol(H/A, prec)``](https://github.com/chenxinye/mhodlr/blob/main/mhodlr/%40hodlr/mhchol.m)|