besselI

double besselI(double x, double alpha, Flag!"ExponentiallyScaled" expFlag)
double
besselI
(
double x
,
double alpha
,
Flag!"ExponentiallyScaled" expFlag = Flag!"ExponentiallyScaled".no
)
double besselI(double x, double alpha, Flag!"ExponentiallyScaled" expFlag, double[] b)
void besselI(double x, double alpha, Flag!"ExponentiallyScaled" expFlag, double[] b, ptrdiff_t ncalc)

Examples

assert(std.math.approxEqual(besselI(2, 1),
	1.590636854637329063382254424999666));
assert(std.math.approxEqual(besselI(20, 1),
	4.245497338512777018140990665e+7));
assert(std.math.approxEqual(besselI(1, 1.2), 0.441739));

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bessel functions