Implement a square wave in matlab

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hello friends,i need help and i havent any idea what i have to do thats why someone can help me

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Explorer
Explorer 2016-3-8
编辑:Explorer 2016-3-8
The square wave with amplitude 1, fundamental frequency 10 pi radian per second (5 Hz) and phase of 5 pi can be generated by using the following commands:
A=1;
fo=10*pi;
w=5*pi;
t=0:0.001:1;
sq=A*square(fo*t + w);
plot (t, sq)
axis ([0 1 -2 2])

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