(ctx, x)
return ctx.besselj(1, x)
Computes the Bessel function `J_1(x)`.  See :func:`~mpmath.besselj`.
Computes the Bessel function `J_1(x)`.  See :func:`~mpmath.besselj`.
Computes the Bessel function J_1 ( x ) . See : func : ~mpmath . besselj .
def j1(ctx, x):
    """Computes the Bessel function `J_1(x)`.  See :func:`~mpmath.besselj`."""
    return ctx.besselj(1, x)
def j1 ( ctx , x ) : return ctx . besselj ( 1 , x )