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beamer - Vrije Universiteit Amsterdam

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Rewrite<br />

▶ Rewrite to classic form Ax = b;<br />

π T P = π T ⇔ (I − P T )π = 0<br />

▶ Delete a row (why?!) and add ∑<br />

j∈I πj = 1.<br />

▶ Example<br />

⎛<br />

0.4 0.4 0.0 0.2 0.0 0.0 0.0 0.0<br />

⎞<br />

0.0<br />

⎜<br />

0.0<br />

⎜<br />

⎜0.5<br />

⎜<br />

⎜0.0<br />

P = ⎜<br />

⎜0.0<br />

⎜<br />

⎜0.0<br />

⎜<br />

⎜0.6<br />

⎝0.0<br />

0.5<br />

0.0<br />

0.0<br />

0.0<br />

0.0<br />

0.0<br />

0.5<br />

0.3<br />

0.4<br />

0.0<br />

0.0<br />

0.0<br />

0.0<br />

0.0<br />

0.0<br />

0.0<br />

0.4<br />

0.0<br />

0.5<br />

0.0<br />

0.0<br />

0.2<br />

0.0<br />

0.3<br />

0.2<br />

0.0<br />

0.0<br />

0.0<br />

0.0<br />

0.1<br />

0.0<br />

0.0<br />

0.1<br />

0.0<br />

0.0<br />

0.0<br />

0.0<br />

0.3<br />

0.5<br />

0.0<br />

0.2<br />

0.0<br />

0.0<br />

0.0<br />

0.0<br />

0.3<br />

0.0<br />

0.2<br />

0.4<br />

0.0 ⎟<br />

0.0 ⎟<br />

0.0 ⎟<br />

0.0 ⎟<br />

0.4 ⎟<br />

0.0 ⎟<br />

0.1⎠<br />

0.0 0.0 0.7 0.0 0.0 0.0 0.0 0.0 0.3<br />

c⃝ Ad Ridder (VU) SOR– Fall 2012 33 / 36

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