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Sorry I should've followed the "code" rules. Here is my code - thanks!!! sub func { my $x = shift; return (1/(sqrt($Vz*2*3.1416)+0.000001))*exp(-(($x-$Mz)**2)/((2*($Vz**2))+0.000001)); }

In my Perl code I aim to compute the Gaussian integral, and the Gaussian function is expressed as ###code### sub func { my $x = shift; return (1/(sqrt($Vz*2*3.1416)+0.000001))*exp(-(($x-$Mz)**2)/((2*($Vz**2))+0.000001)); } ###code### , where I integral from 0 to 1, and $Vz is the...

I wrote a C++ program in Dev-C++. I kept having the problem of access violation (segmentation fault) when I was running the program. :( The following was a segment at which the problem probably occurred. int main(){ ofstream fout("output.txt"); for(int j=0;j<20;j++) {...

woooow it works now! I tried sub func { # get $x from @_ (passed-in arguments) my $x = shift; return $x*2+5; } and the result is correct now. Thanks sooo much - really lots of help and favor. Thanks!

I'm trying to use Eric Boesch's library, Math::Integral::Romberg, for the integral of a Gaussian distribution from 0 to 1. However I have some problems about "a reference to the function to be integrated". In my code, I wrote $area=integral(\&func, 0, 1); to do the integration, which is...