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Section: Mathematical Functions
Computes the hyperbolic sine of the argument. The syntax for its use is
y = sinh(x)
The sinh function is computed from the formula 
![\[ \sinh(x) = \frac{e^x-e^{-x}}{2} \]](form_82.png) 
Here is a simple plot of the hyperbolic sine function
--> x = linspace(-5,5);
--> plot(x,sinh(x)); grid('on');
