how to do some evaluation in quadruple precision arithmetic

2013 2 19
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更新时间：2014 7 23
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hi. im using Matlab version 7.9.0.(R2009b) and i would like to do some evaluations with unit roundoff u=2.5*10^32, that is in quadruple precision arithmetic. How can i do that or what should i change? thank you.

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Pavel Holoborodko
Pavel Holoborodko 2014-7-23

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Or try Advanpix toolbox if you need high-speed quadruple precision.

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