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[ Last edited by cenwanglai on 2011-10-15 at 16:54 ]
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xiegangmai(½ð±Ò+2): лл²ÎÓ룡 2011-10-17 21:36:26
p0 = [0 20 40 60 80 100 120];
z0 = [1 0.98654 0.97420 0.96297 0.95286 0.94387 0.93599];
z = spline(p0,z0);
fun= @(p)(ppval(z,p)-1)./p;
fai = exp(quadl(fun,0,50))


fai =

    0.9672
2Â¥2011-10-17 17:59:15
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