/p><p><code>T</code> is a right stochastic transition probability matrix with rows summing to one.</p><p><code>I</code> is a state in <code>1:size(T,1)</code>.</p><p><code>node_label_textsize</code> is the text size of the node labels indexed from <code>T</code>.</p><p><code>edge_label_textsize</code> is the text size of the edge labels taken from <code>T</code>.</p><p><code>arrow_shift</code> is the percentage shift of the arrow head from src to dst.</p><p><code>x_pad</code> is the left/right x coordinate 