%per3_figure:to look the figure of input&output
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P=[0.1 0.7 0.8 0.8 1.0 0.3 0.0 -0.3 -0.5 -1.5;1.2 1.8 1.6 0.6 0.8 0.5 0.2 0.8 -1.5 -1.3];
T=[1 1 1 0 0 1 1 1 0 0;0 0 0 0 0 1 1 1 1 1];
figure('name','輸入輸出關系圖示','numbertitle','off');
plotpv(P,T);                   %在輸入矢量空間繪制輸入矢量和目標矢量的位置
axis([-2 2 -2 2])              %定義橫坐標和縱坐標的長度
title('Input&Output Vector Graph');    %寫圖標題
text(1.2,1.6,'ｏ　組別１');
text(1.2,1.4,'＋　組別２');
text(1.2,1.2,'＊　組別３');
text(1.25,1.0,'×　組別４');          %加圖例
xlabel('p1');                   %寫橫軸標題
ylabel('p2');                   %寫縱軸標題