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9 years ago The image for the integrand function shows anomalies.
Vegas computing can not finish:
Initializing SR-sequences with seed 1
Input parameters for vegas: ndim= 1 ncall= 9996
ittot= 1 itmx= 10
nprn=0x0003 ALPH= 1.50
mds= -1 nd= 98 npg=2
xl[ 0]= -3000 xu[ 0]= 3000
iteration no. 1 : integral = -0.3824134 +/- 0.33
all iterations: integral = -0.3824134+/- 0.33 chi^2/IT n = 1.4e-12
iteration no. 2 : integral = -0.1483792 +/- 0.13
all iterations: integral = -0.1787489+/- 0.12 chi^2/IT n = 0.45
iteration no. 3 : integral = -0.4737902 +/- 0.3
all iterations: integral = -0.2190653+/- 0.11 chi^2/IT n = 0.65
iteration no. 4 : integral = -0.2012668 +/- 0.15
all iterations: integral = -0.2127552+/- 0.088 chi^2/IT n = 0.44
iteration no. 5 : integral = -0.2088816 +/- 0.16
all iterations: integral = -0.2118776+/- 0.077 chi^2/IT n = 0.33
iteration no. 6 : integral = 0.0125132 +/- 0.16
all iterations: integral = -0.1692074+/- 0.07 chi^2/IT n = 0.58
iteration no. 7 : integral = -0.607782 +/- 0.58
all iterations: integral = -0.1753474+/- 0.069 chi^2/IT n = 0.58
iteration no. 8 : integral = -0.1715556 +/- 0.084
all iterations: integral = -0.1738141+/- 0.053 chi^2/IT n = 0.5
iteration no. 9 : integral = -0.002349587 +/- 0.083
all iterations: integral = -0.1238332+/- 0.045 chi^2/IT n = 0.81
iteration no. 10 : integral = -0.05230436 +/- 0.17
all iterations: integral = -0.1193773+/- 0.043 chi^2/IT n = 0.74
Input parameters for vegas: ndim= 1 ncall= 99198
ittot= 1 itmx= 10
nprn=0x0003 ALPH= 1.50
mds= -1 nd= 99 npg=2
xl[ 0]= -3000 xu[ 0]= 3000
iteration no. 1 : integral = 3.104373 +/- 2.6
all iterations: integral = 3.104373+/- 2.6 chi^2/IT n = 0
iteration no. 2 : integral = nan +/- nan
all iterations: integral = nan+/- nan chi^2/IT n = nan
iteration no. 3 : integral = nan +/- nan
all iterations: integral = nan+/- nan chi^2/IT n = nan
iteration no. 4 : integral = nan +/- nan
all iterations: integral = nan+/- nan chi^2/IT n = nan
vegasresult/NPoint_vegas_equ75_real_-3000_3000.dat (END) Original comment by anhquan.phanle on 14 Mar 2009 at 8:10
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Original issue reported on code.google.com by
anhquan.phanleon 14 Mar 2009 at 8:07