and `commanche_dual` with their original meshes (top, see ) and visual representations created using the techniques described in (bottom, also compare with [@Hu2005]).[]{data-label="fig:pothenlayout"}](sphere3_orig_small "fig:"){width="3.5cm"}   ![From left to right: the matrices `sphere3`, `pwt`, and `commanche_dual` with their original meshes (top, see ) and visual representations created using the techniques described in (bottom, also compare with [@Hu2005]).[]{data-label="fig:pothenlayout"}](pwt_orig_small "fig:"){width="3.5cm"}   ![From left to right: the matrices `sphere3`, `pwt`, and `commanche_dual` with their original meshes (top, see ) and visual representations created using the techniques described in (bottom, also compare with [@Hu2005]).[]{data-label="fig:pothenlayout"}](commanche_orig_small "fig:"){width="3.5cm"}
   ![From left to right: the matrices `sphere3`, `pwt`, and `commanche_dual` with their original meshes (top, see ) and visual representations created using the techniques described in (bottom, also compare with [@Hu2005]).[]{data-label="fig:pothenlayout"}](sphere3_new_small "fig:"){width="3.5cm"}    ![From left to right: the matrices `sphere3`, `pwt`, and `commanche_dual` with their original meshes (top, see ) and visual representations created using the techniques described in (bottom, also compare with [@Hu2005]).[]{data-label="fig:pothenlayout"}](pwt_new_small "fig:"){width="3.5cm"}    ![From left to right: the matrices `sphere3`, `pwt`, and `commanche_dual` with their original meshes (top, see ) and visual representations created using the techniques described in (bottom, also compare with [@Hu2005]).[]{data-label="fig:pothenlayout"}](commanche_new_small "fig:"){width="3.5cm"}
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\[exa:finiteelts\] Another important example of matrices with a natural visual representation are those 