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xiaomeim

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ÏëÇó³öf effective(x)£¬ÇëÎÊÓÐûÓдóÉñ¿ÉÒÔ°ïæËãÒ»ËãÕâ¸ö¹«Ê½£¿Äܹ»ÓÃR»òCÓïÑÔËã³öÀ´×îºÃ£¬ÊÖËãÒ²ÐУ¬Ìṩ˼·Ҳ¿ÉÒÔ£¨Óг¥£©¡£¸Ðл¸Ðл¸Ðл£¡£¡£¡

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du660283

½û³æ (СÓÐÃûÆø)

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2Â¥2022-06-04 05:53:33
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zyh700600

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

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CODE:
  

%  Óà Matlab 2009a Çó½â

syms x y

r = sqrt(x*x+y*y)
f_wald = sqrt(3/(2*pi*r^3))*exp( -3*(r-2)^2/(8*r) )
f_eff_1 = f_wald/(2*pi*r)

g = matlabFunction(f_eff_1)

f_eff = @(x) quadgk( @(y) g(x,y) ,-inf,inf)

xx = -2:0.01:2;  %  x×ø±ê
fxx = arrayfun( @(x) f_eff(x) ,xx);  %  f_effective(x)

figure
plot(xx,fxx)

3Â¥2022-06-05 12:15:38
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zyh700600

½ð³æ (СÓÐÃûÆø)

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