How to plot a semi-circle?

How to plot a semi-circle? Casey asked on 6 Feb 2012 Latest activity: Answer by Wayne King on 6 Feb 2012 Accepted Answer from Wayne King How to plot a semi-circle and if I want just the curve of of the semi-circle and the radius of the circle is 500m? Thanks 0 comments Tags circle , curve Products

1 answer

Wayne King answered on 6 Feb 2012

Accepted answer

      theta = 0:.01:pi;
      y = 500*exp(1j*theta);
      plot(real(y),imag(y));
      axis([-750 750 -750 750]);
      grid on;

Casey on 8 Feb 2012

Thanks, but what if I want to slant the semicircle by 30 degree? is it possible?

Elige Grant on 8 Feb 2012

theta = (0:.01:pi)+30*pi/180;

Casey on 8 Feb 2012

Thanks,If I want to shift the origin from (0,0) to (100,100)? Which command must I use?