Small Program about Error Distribution

Error Distribution (chi):

Condition:

1. normal distribution
2. (q)=113, (alpha)=0.05, sstandard deviation=(alpha q)
3. rouned
4. reduced modulo (q)

Matlab implement:

x=-60:1:60;
y=normpdf(x,0,5.65);
y=round(y,3);
y=mod(y,113);
stem(x,y)