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Cosh






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Elementary Functions > Cosh[z] > Introduction to the Hyperbolic Cosine Function in Mathematica





Operations carried out by specialized Mathematica functions

Series expansions

Calculating the series expansion of a hyperbolic cosine function to hundreds of terms can be done in seconds.

Mathematica comes with the add‐on package DiscreteMath`RSolve` that allows finding the general terms of the series for many functions. After loading this package, and using the package function SeriesTerm, the following term of can be evaluated.

This result can be verified as follows. The previous expression is not zero for and the corresponding sum has the following value.

Differentiation

Mathematica can evaluate derivatives of the hyperbolic cosine function of an arbitrary positive integer order.

Finite summation

Mathematica can calculate finite symbolic sums that contain the hyperbolic cosine function. Here are some examples.

Infinite summation

Mathematica can calculate infinite sums including the hyperbolic cosine function. Here are some examples.

Finite products

Mathematica can calculate some finite symbolic products that contain the hyperbolic cosine function. Here is an example.

Indefinite integration

Mathematica can calculate a huge set of doable indefinite integrals that contain the hyperbolic cosine function. Here are some examples.

Definite integration

Mathematica can calculate wide classes of definite integrals that contain the hyperbolic cosine function. Here are some examples.

Limit operation

Mathematica can calculate limits that contain the hyperbolic cosine function. Here are some examples.

Solving equations

The next inputs solve two equations that contain the hyperbolic cosine function. Because of the multivalued nature of the inverse hyperbolic cosine function, a message is printed indicating that only some of the possible solutions are returned.

A complete solution of the previous equation can be obtained using the function Reduce.

Solving differential equations

Here are differential equations whose linear independent solutions include the hyperbolic cosine function. The solutions of the simplest second‐order linear ordinary differential equation with constant coefficients can be represented using and .

Integral transforms

Mathematica supports the main integral transforms like direct and inverse Laplace and Fourier transforms that can give results that contain classical or generalized functions.

Plotting

Mathematica has built‐in functions for 2D and 3D graphics. Here are some examples.





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