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   <h3 class="sectionHead"><span class="titlemark">11   </span> <a 
 id="x106-14200011"></a>Iterative Methods</h3>
<!--l. 4--><p class="noindent" >In this chapter we provide routines for preconditioners and iterative methods.
The interfaces for Krylov subspace methods are available in the module
<span class="obeylines-h"><span class="verb"><span 
class="cmtt-10">psb_krylov_mod</span></span></span>.
                                                                  

                                                                  
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   &#x00A0;<span class="subsectionToc" >11.1 <a 
href="userhtmlsu90.html#x107-14300011.1">psb_krylov &#8212; Krylov Methods Driver Routine</a></span>
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