How to make a smoother pdf plot?

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Hydro
Hydro 2018-8-13
回答： Nicholas Galang 2018-8-13
Hello,
I am trying to plot X versus it pdf value (Y) using gamma function. the plot i get (Ex#1) is very strange. I want to have a plot like Ex#2. Below is my code so far and i would appreciate any help.
X= [0.78;0.33;0.34;0.12;0.19;0.08;0.13;0.01;0.16;0.1;0.14;0.57;0.6;0.18;0.16;0.62;1.23;0.67;0.43;1.03];
G1=makedist('gamma','a',1.26,'b',0.31);
Y=pdf(G1,X);
plot(X,Y,'LineWidth',2)

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回答（1 个）

Nicholas Galang
Nicholas Galang 2018-8-13
Your X values are out of order causing the graph to look strange. If you were to sort those values it will help smooth out the graph.

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