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Undefined function or method 'erfc' for input arguments of type 'sym'.??plz help

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khushi
khushi 2015-8-19
评论： khushi 2015-8-19
clc;
clear all;
a0=1;
c=1;
alpha=1
g=0:0.1:6;
syms x y
x=a0*g.*y;
p=0.5*erfc(x/sqrt(2))*(y^(alpha-1))*exp(-y/c)/(gamma(aplha)*c^alpha);
q=int(p,y,0,100);
plot(g,q)

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Morteza
Morteza 2015-8-19
I tested your code with MATLAB2014 and it's OK. The result is like below.
Then what is the problem?

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