How would I go about plotting an equation?
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I need to plot the following equation: (y/34) + (x/84) = 1; with 'y' and 'x' being numbers from 0-100. I know how to define x and y(i.e. x = (0:100) and likewise with 'y'), but when I try plotting the equation I just get a blank graph, can anyone guide me in the right direction, please?
回答（2 个）
Geoff
2012-3-16
You are incorrect in your assumption that you define 'y' in the same manner as 'x'. To 'plot the equation' you first have to rearrange for y in terms of x, then plug your vector for x into that, and finally plot.
x = 0:100;
y = % you work it out
plot(x,y);
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