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Review Schwarzschild radius for non-rotating black hole

step inference rule input feed output step validity (as per SymPy)
1
  • 0000111483: raise both sides to power
  • number of inputs: 1; feeds: 1; outputs: 1
  • Raise both sides of Eq.~\ref{eq:#2} to $#1$; yields Eq.~\ref{eq:#3}.
  1. 5404822208
    \(v_{\rm escape} = \sqrt{2 G \frac{m}{r}}\)
  1. 3663007361
    \(2\)
  1. 8946383937
    \(v_{\rm escape}^2 = 2 G \frac{m}{r}\)
valid
2
  • 0000111984: change two variables in expression
  • number of inputs: 1; feeds: 4; outputs: 1
  • Change variable $#1$ to $#2$ and $#3$ to $#4$ in Eq.~\ref{eq:#5}; yields Eq.~\ref{eq:#6}.
  1. 8946383937
    \(v_{\rm escape}^2 = 2 G \frac{m}{r}\)
  1. 9933742680
    \(r_{\rm Schwarzschild}\)
  2. 2660368546
    \(r\)
  3. 1238593037
    \(c\)
  4. 8362338572
    \(v_{\rm escape}\)
  1. 4275004561
    \(c^2 = 2 G \frac{m}{r_{\rm Schwarzschild}}\)
LHS diff is -pdg0004567**2 + pdg0008656**2 RHS diff is 2*pdg0005156*pdg0006277*(-pdg0002530 + pdg0004518)/(pdg0002530*pdg0004518)
3
  • 0000111182: multiply both sides by
  • number of inputs: 1; feeds: 1; outputs: 1
  • Multiply both sides of Eq.~\ref{eq:#2} by $#1$; yields Eq.~\ref{eq:#3}.
  1. 4275004561
    \(c^2 = 2 G \frac{m}{r_{\rm Schwarzschild}}\)
  1. 7194432406
    \(r_{\rm Schwarzschild}\)
  1. 2883079365
    \(r_{\rm Schwarzschild} c^2 = 2 G m\)
valid
4
  • 0000111975: divide both sides by
  • number of inputs: 1; feeds: 1; outputs: 1
  • Divide both sides of Eq.~\ref{eq:#2} by $#1$; yields Eq.~\ref{eq:#3}.
  1. 2883079365
    \(r_{\rm Schwarzschild} c^2 = 2 G m\)
  1. 7263534144
    \(c^2\)
  1. 6800170830
    \(r_{\rm Schwarzschild} = \frac{2 G m}{c^2}\)
valid

Symbols used in Schwarzschild radius for non-rotating black hole

Steps and expressions for Schwarzschild radius for non-rotating black hole

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