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   <h3 class="sectionHead"><span class="titlemark">4   </span> <a 
 id="x18-550004"></a>Computational routines</h3>
                                                                  

                                                                  
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   &#x00A0;<span class="subsectionToc" >4.1 <a 
href="userhtmlsu10.html#x19-560004.1">psb_geaxpby &#8212; General Dense Matrix Sum</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.2 <a 
href="userhtmlsu11.html#x20-570004.2">psb_gedot &#8212; Dot Product</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.3 <a 
href="userhtmlsu12.html#x21-580004.3">psb_gedots &#8212; Generalized Dot Product</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.4 <a 
href="userhtmlsu13.html#x22-590004.4">psb_normi &#8212; Infinity-Norm of Vector</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.5 <a 
href="userhtmlsu14.html#x23-600004.5">psb_geamaxs &#8212; Generalized Infinity Norm</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.6 <a 
href="userhtmlsu15.html#x24-610004.6">psb_norm1 &#8212; 1-Norm of Vector</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.7 <a 
href="userhtmlsu16.html#x25-620004.7">psb_geasums &#8212; Generalized 1-Norm of Vector</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.8 <a 
href="userhtmlsu17.html#x26-630004.8">psb_norm2 &#8212; 2-Norm of Vector</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.9 <a 
href="userhtmlsu18.html#x27-640004.9">psb_genrm2s &#8212; Generalized 2-Norm of Vector</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.10 <a 
href="userhtmlsu19.html#x28-650004.10">psb_norm1 &#8212; 1-Norm of Sparse Matrix</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.11 <a 
href="userhtmlsu20.html#x29-660004.11">psb_normi &#8212; Infinity Norm of Sparse Matrix</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.12 <a 
href="userhtmlsu21.html#x30-670004.12">psb_spmm &#8212; Sparse Matrix by Dense Matrix Product</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.13 <a 
href="userhtmlsu22.html#x31-680004.13">psb_spsm &#8212; Triangular System Solve</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.14 <a 
href="userhtmlsu23.html#x32-690004.14">psb_gemlt &#8212; Entrywise Product</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.15 <a 
href="userhtmlsu24.html#x33-700004.15">psb_gediv &#8212; Entrywise Division</a></span>
<br />   &#x00A0;<span class="subsectionToc" >4.16 <a 
href="userhtmlsu25.html#x34-710004.16">psb_geinv &#8212; Entrywise Inversion</a></span>
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