<html><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:10pt"><div style="color: rgb(0, 0, 191);"><span class="tab">Dear developers and users,</span></div><div style="color: rgb(0, 0, 191);"><span class="tab">Summer greetings.</span></div><div style="color: rgb(0, 0, 191);"><span class="tab"> We have few question listen below: </span></div><div style="color: rgb(0, 0, 191);"><span class="tab"><br></span></div><div style="color: rgb(0, 0, 191);">1. <br><span class="tab"></span></div><div style="color: rgb(0, 0, 191);"><span class="tab">The first question is about adapting <span style="font-style: italic;">" MatMult</span> " function in matrix-free method.</span></div><div style="color: rgb(0, 0, 191);"><span class="tab">We intend to incorporate a KSP context inside <span style="font-style: italic;">"MatMult</span>" . </span><span class="tab">The immediate question is how to</span></div><div
style="color: rgb(0, 0, 191);"><span class="tab">provide more than one matrices as input. </span></div><div style="color: rgb(0, 0, 191);"><span class="tab">Is this idea of incorporating a KSP context inside </span><span class="tab"><span style="font-style: italic;">"MatMult</span>" </span><span class="tab">function workable ? Does it make any confrontation <br></span></div><div style="color: rgb(0, 0, 191);"><span class="tab">with philosophy of development of Petsc. ? <br></span></div><div style="color: rgb(0, 0, 191);"><br></div><div style="color: rgb(0, 0, 191);">2. <br></div><div style="color: rgb(0, 0, 191);">An other advance level feedback is needed. <br></div><div style="color: rgb(0, 0, 191);"> Re-implementing PCMG function {<span class="tab"> mg.c </span>} will lead any violation of philosophy of Petsc-development ??<br></div><div style="color: rgb(0, 0, 191);"><br></div><div style="color: rgb(0, 0, 191);">3. <br></div><div
style="color: rgb(0, 0, 191);">Which one of the above both is more elegant and feasible to work on ? <br></div><div style="color: rgb(0, 0, 191);"><br></div><div style="color: rgb(0, 0, 191);"><br></div><div style="color: rgb(0, 0, 191);">Thanking in anticipation, </div><div><span style="color: rgb(0, 0, 191);">Abdul </span><br><span class="tab"></span></div><div><br><span class="tab"></span></div><div><span class="tab"><br></span></div><div><span style="color:rgb(0, 0, 255);"><span style="font-family:verdana, helvetica, sans-serif;"><span style="font-family:lucida console, sans-serif;"></span></span></span><span style="color:rgb(0, 0, 255);"><span style="font-family:verdana, helvetica, sans-serif;"></span></span></div></div></body></html>