Matrices with hyperbolic functions

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SUMMARY

The discussion focuses on the application of hyperbolic functions, specifically sinh and cosh, in matrix equations. The user successfully determined that A^2 equals the Identity matrix and sought assistance in substituting this result into the equation for matrix M. The solution involves utilizing the Taylor series of sinh and cosh to compare with the infinite series derived from A^2=I, leading to a resolution of the problem.

PREREQUISITES
  • Understanding of matrix algebra, specifically the Identity matrix.
  • Familiarity with hyperbolic functions, particularly sinh and cosh.
  • Knowledge of Taylor series expansions.
  • Basic concepts of infinite series in mathematics.
NEXT STEPS
  • Study the Taylor series of hyperbolic functions sinh and cosh in detail.
  • Explore matrix exponentiation and its applications in solving differential equations.
  • Learn about the properties and applications of the Identity matrix in linear algebra.
  • Investigate the relationship between hyperbolic functions and trigonometric functions.
USEFUL FOR

Students and educators in mathematics, particularly those studying linear algebra and hyperbolic functions, as well as anyone involved in solving matrix equations involving hyperbolic functions.

samjohnny
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Homework Statement



I thought it would be better to attach it.

Homework Equations





The Attempt at a Solution



So for the first part I've found that A^2=the Identity matrix, but from there I don't have much of an idea on how to substitute that into the equation for M and end up with sinh and cosh in my expression. Please help
 

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samjohnny said:

Homework Statement



I thought it would be better to attach it.

Homework Equations





The Attempt at a Solution



So for the first part I've found that A^2=the Identity matrix, but from there I don't have much of an idea on how to substitute that into the equation for M and end up with sinh and cosh in my expression. Please help

Look up the taylor series of sinh and cosh and compare them with the infinite series you get using that A^2=I.
 
Dick said:
Look up the taylor series of sinh and cosh and compare them with the infinite series you get using that A^2=I.

Thanks I've got it now! :)
 

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