Graph Software for Scientists and Engineers
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Graph Software for Scientists and Engineers | ||
BESSELJ(x,order)Returns the Bessel function of the first kind at x for the specified order. The Bessel functions of the first kind are defined as the solutions to the Bessel differential equation:
which are nonsingular at the origin. They are sometimes also called cylinder functions or cylindrical harmonics. The n-th order Bessel function of x is:
where:
is the Gamma function. The plot below shows the Bessel function for n=0,1,2,3,4,5.
Order must be greater than or equal to 0. If order is not an integer, it is truncated. X must be greater than or equal to 0. For more information on the Bessel function see the reference at MathWorld. See also: |
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