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S_j0
Spherical Bessel function of the first kind, order zero.
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Loading LOADSUB ALL FROM "BESMS.HTS"
or LOADSUB FROM "MATHLIB.HTS"
Usage REAL X,Y
Y=FNS_j0(X)
Description
FNS_j0 returns the value of the spherical Bessel function of the first kind and order zero of x, j0(x). J0(x) is defined for all values of x.
J0(x) is defined by the expression
This function is also often called the sinc function.
Errors
FNS_j0 causes an HTBasic error if its argument is not of type REAL.
See Also j0(x)
See Also S_j1, S_jn, S_y0
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