set_particle_pos Interface

The radial coordinate of the particle (in Schwarzschild coordinates), $r$.

The azimuthal angle of the particle, $\phi$.

The radial component of the 4-velocity, $u^r$.

The energy per unit mass of the particle, $E$.

The angular momentum per unit mass of the particle $L_z$.

The radial component of the 4-acceleration, $a^r$.

The $\phi$-component of the 4-acceleration, $a^{\phi}$.

The derivative of $a^r$ with respect to Schwarzschild coordinate time.

The derivative of $a^{\phi}$ with respect to Schwarzschild coordinate time.

The second derivative of $a^r$ with respect to Schwarzschild coordinate time.

The second derivative of $a^{\phi}$ with respect to Schwarzschild coordinate time.

The number of modes.