,2) = v/norm(v);</span></span></div></div></div></div><div class = "S0"></div><div class = 'SectionBlock containment'><div class = "S1"><span class = "S2"><span class="S0">On the next pass, we have to subtract off the projections in two previous directions.</span></span></div><div class = 'CodeBlock contiguous'><div class = 'inlineWrapper'><div class = "S4 lineNode"><span class = "S5"><span class="S0">Aq = A*Q(:,2);</span></span></div></div><div class = 'inlineWrapper'><div class = "S4 lineNode"><span class