用matlab画分段函数图y(x)=100x.^2 0

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用matlab画分段函数图
y(x)=100x.^2 0

clear

clc;

x=0:0.01:1;

n=length(x);

y=zeros(1,n);

for i=1:101

    if x(i)<=0.25

        y(i)=100*x(i).^2;

    else if x(i)<=0.5

            y(i)=100*x(i).*(1-x(i))-12.5;

        else

            y(i)=x(i).*(1-x(i));

        end

    end

end

figure

plot(x,y);

程序是这样的,下面是运行结果