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Hi! I have a quick question about KSP solvers. I will use the KSP solver to solve a time varying problem. My question is: do I need to call the following functions once in initialization, or do I need to call them in the time loop (solving equations in each time step)?<br><br>The functions I am not sure about include:<br>KSPSetOperators<br>KSPGetPC<br>PCSetType<br>KSPSetType<br>KSPSetFromOptions<br><br>Many thanks!<br /><hr />聊天+搜索+邮箱 想要轻松出游,手机MSN帮你搞定! <a href='http://mobile.msn.com.cn/' target='_new'>立刻下载!</a></body>
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