I have a tridiagonal matrix whose diagonals d_{-1}, d_0, d_1 (thought as vectors) can be written as vector expressions.

Is there a way to nicely represent this, e.g. via a matrix which is blank everywhere except from the diagonals which report the expression (written diagonally) and maybe continuous lines elsewhere?

(Please see the attached picture).

enter image description here

Any help appreciated.

  • Did you try this by setting up a matrix of math nodes in Tikz? I'll try and see how it goes for me...
    – kan
    Apr 11 '13 at 17:20

enter image description here



\rule[.5ex]{3em}{.5pt} $\exp_1(C)$   \rule[.5ex]{3em}{.5pt}\\
\rule[.5ex]{4em}{.5pt} $\exp_0(C)$   \rule[.5ex]{4em}{.5pt}\\
\rule[.5ex]{3em}{.5pt} $\exp_{-1}(C)$ \rule[.5ex]{3em}{.5pt}


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