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i cannot seem to enter :y=(a.^(4x​)+a.^(-4x)​-22)/(x^3)

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Austin
Austin on 12 Oct 2013
Commented: Austin on 12 Oct 2013
im trying to plot this graph
clf
hold on
axis ([-100 100 -100 100])
x=-1:0.02:70;
a=14
y=(a.^(4x)+a.^(-4x)-22)/(x^3)
however whenever i try to enter this command:
y=(a.^(4x)+a.^(-4x)-22)/(x^3)
i get this error:
??? Error using ==> mpower
Matrix must be square.
can i know what is wrong with my command?

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Accepted Answer

Azzi Abdelmalek
Azzi Abdelmalek on 12 Oct 2013
y=(a.^(4*x)+a.^(-4*x)-22)./(x.^3)

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