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