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Simulations, Data Analysis and Algorithms

Figure 1 | Computational Astrophysics and Cosmology

Figure 1

From: The black hole accretion code

Figure 1

Modified Kerr-Schild coordinates. θ-grid stretching functions comparing the transcendental function \(\vartheta(\theta_{\mathrm{KS}})\) (solid red curves) with the cubic approach (solid blue curves) for \(h=0.9\). We also give the respective derivatives \(d\theta/d\vartheta\) (dashed).

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