MATLAB will not plot figure correctly -

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why matlab plot figure straight horizontal line? y1 = (1+(x/2))/(1-(x/2));

what wrong code?

the function supposed resemble e^x. thank you. code here below.

x = linspace(0,3); y1 = (1+(x/2))/(1-(x/2));  %plot lines.  figure plot(x,y1)

as @nkjt pointed out:

do know difference between / , ./

if want divide pointwise, have use ./, otherwise result of vector

(1+(x/2)) divided (1+(x/2))

what want is:

x = linspace(0,3); y1 = (1+(x/2))./(1-(x/2)); figure, plot(x,y1)


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