Computes the Bessel function of the second kind, \( Y_1(x)=\frac2{\pi}\int_{1}^{\infty}\frac{\cos x\tau}
{(\tau^2-1)^{3/2}}\,\mathrm{d}\tau\).
It is a solution of \( x^{2}y''+xy'+(x^2-1)y=0\) for which \( y(0) = \infty\).
Defined in header
#include <eve/module/bessel.hpp>
{
template< eve::floating_real_value T >
}
constexpr callable_cyl_bessel_y1_ cyl_bessel_y1
Computes the Bessel function of the second kind, .
Definition: cyl_bessel_y1.hpp:54
Definition: all_of.hpp:22
Parameters
Return value
The value of \(\displaystyle Y_1(x)=\frac2{\pi}\int_{1}^{\infty}\frac{\cos x\tau}
{(\tau^2-1)^{3/2}}\,\mathrm{d}\tau\) is returned.
#include <eve/module/bessel.hpp>
#include <eve/wide.hpp>
#include <iostream>
int main()
{
wide_ft pf = {0.5, 1.5, 0.1, 1.0, 19.0, 25.0, 21.5, 10000.0};
std::cout << "---- simd" << '\n'
<< "<- pf = " << pf << '\n'
;
double xd = 1.0;
std::cout << "---- scalar" << '\n'
<< "<- xd = " << xd << '\n'
return 0;
}
Wrapper for SIMD registers.
Definition: wide.hpp:65