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<head><title>Computational routines</title>
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<h3 class="sectionHead"><span class="titlemark">4 </span> <a
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id="x18-550004"></a>Computational routines</h3>
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<div class="subsectionTOCS">
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 <span class="subsectionToc" >4.1 <a
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href="userhtmlsu10.html#x19-560004.1">psb_geaxpby — General Dense Matrix Sum</a></span>
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<br />  <span class="subsectionToc" >4.2 <a
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href="userhtmlsu11.html#x20-570004.2">psb_gedot — Dot Product</a></span>
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<br />  <span class="subsectionToc" >4.3 <a
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href="userhtmlsu12.html#x21-580004.3">psb_gedots — Generalized Dot Product</a></span>
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<br />  <span class="subsectionToc" >4.4 <a
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href="userhtmlsu13.html#x22-590004.4">psb_normi — Infinity-Norm of Vector</a></span>
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<br />  <span class="subsectionToc" >4.5 <a
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href="userhtmlsu14.html#x23-600004.5">psb_geamaxs — Generalized Infinity Norm</a></span>
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<br />  <span class="subsectionToc" >4.6 <a
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href="userhtmlsu15.html#x24-610004.6">psb_norm1 — 1-Norm of Vector</a></span>
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<br />  <span class="subsectionToc" >4.7 <a
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href="userhtmlsu16.html#x25-620004.7">psb_geasums — Generalized 1-Norm of Vector</a></span>
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<br />  <span class="subsectionToc" >4.8 <a
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href="userhtmlsu17.html#x26-630004.8">psb_norm2 — 2-Norm of Vector</a></span>
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<br />  <span class="subsectionToc" >4.9 <a
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href="userhtmlsu18.html#x27-640004.9">psb_genrm2s — Generalized 2-Norm of Vector</a></span>
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<br />  <span class="subsectionToc" >4.10 <a
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href="userhtmlsu19.html#x28-650004.10">psb_norm1 — 1-Norm of Sparse Matrix</a></span>
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<br />  <span class="subsectionToc" >4.11 <a
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href="userhtmlsu20.html#x29-660004.11">psb_normi — Infinity Norm of Sparse Matrix</a></span>
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<br />  <span class="subsectionToc" >4.12 <a
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href="userhtmlsu21.html#x30-670004.12">psb_spmm — Sparse Matrix by Dense Matrix Product</a></span>
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<br />  <span class="subsectionToc" >4.13 <a
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href="userhtmlsu22.html#x31-680004.13">psb_spsm — Triangular System Solve</a></span>
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<br />  <span class="subsectionToc" >4.14 <a
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href="userhtmlsu23.html#x32-690004.14">psb_gemlt — Entrywise Product</a></span>
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<br />  <span class="subsectionToc" >4.15 <a
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href="userhtmlsu24.html#x33-700004.15">psb_gediv — Entrywise Division</a></span>
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<br />  <span class="subsectionToc" >4.16 <a
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href="userhtmlsu25.html#x34-710004.16">psb_geinv — Entrywise Inversion</a></span>
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</div>
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