Returns a HTMl representation of a matrix and optionally shows the result in the browser.
If you decide to view the result in a browser then the HTML will be written to a temporary file and
utils::browseURL() called
Usage
# S3 method for html_matrix
toHTML(x, browser = FALSE, ...)
# S3 method for table
toHTML(x, browser = FALSE, ...)
# S3 method for matrix
toHTML(x, browser = FALSE, ...)