def print_matrix(self, vnames, matrix, latex_map=None):
latexuid = randid()
latextable = LatexFactory.build_matrix(vnames, matrix,
latex_map=latex_map)
to_print = """
<table>
<tr>
<td>%s</td>
"""%self.toggle_sign(latexuid)
for v in vnames:
to_print += """
<td>
<div style="width:20px;position:relative; width: -moz-fit-content;">
<div style="display:inline-block;-webkit-writing-mode:vertical-rl;-moz-writing-mode: vertical-rl;writing-mode: vertical-rl;">
{v}
</div>
</div>
</td>
""".format(**locals())
to_print += """
</tr>
"""
for i, v1 in enumerate(vnames):
to_print += """
<tr>
<td>{v1}</td>
""".format(**locals())
for j, v2 in enumerate(vnames):
val = matrix[i][j]
color = Gradient.rgb_color_for(val)
to_print += """
<td style="background-color:{color}">
{val:3.2f}
</td>
""".format(**locals())
to_print += """
</tr>
"""
to_print += '</table>\n'
to_print += self.hidden_table(str(latextable), latexuid)
display_html(to_print, raw=True)
