>2</span>] <span class='kw'>=</span> <span class='fu'>matrix</span>(<span class='fu'>c</span>(<span class='fl'>0</span>, <span class='fl'>1</span>, <span class='fl'>0</span>, <span class='fl'>1</span>), <span class='fl'>2</span>, <span class='fl'>2</span>, <span class='kw'>byrow</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)
<span class='no'>R</span> <span class='kw'>=</span> <span class='fu'>matrix</span>(<span class='fu'>c</span>(<span class='fl'>5</span>, <span class='fl'>10</span>, -<spa