How can I plot a constant value versus a range of values?

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Zachary McBurney
Zachary McBurney 2020-5-1
编辑： Adam Danz 2020-5-4
Apologies I am relativey new to using Matlab. I am trying to make a plot of these variables (g versus omega). g is a constant value while omega is a range of values between 0 and 20000 with an increment of 20 to produce 1000 points. Is this even possible? I am needing to do this using the plot command as well as the loglog or logspace commands.
omega= 0:20:20000;
Vs=cos(omega)
VL=17.04*Vs
g= VL/Vs

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回答（1 个）

Adam Danz
Adam Danz 2020-5-1
编辑：Adam Danz 2020-5-4
plot(g,omega,'o')
% or
plot(repmat(g,size(omega)),omega,'-')
Since g is a scalar (single value), you'll just have a vertical line (or a horizontal line if 'g' is the y-value). So, you could simplify the line with,
plot([g,g], [min(omega),max(omega)], 'o-')

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