Average Error: 10.7 → 10.8
Time: 1.6m
Precision: 64
Internal Precision: 576
\[\sin^{-1} \left(\sqrt{\frac{1 - {\left(\frac{Om}{Omc}\right)}^{2}}{1 + 2 \cdot {\left(\frac{t}{\ell}\right)}^{2}}}\right)\]
\[\sin^{-1} \left(\sqrt{\frac{1}{1 + \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc} + \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)\right)}} \cdot \sqrt{\frac{1 - \frac{Om}{Omc} \cdot {\left(\frac{Om}{Omc}\right)}^{5}}{\frac{2}{\frac{\ell}{t} \cdot \frac{\ell}{t}} + 1}}\right)\]

Error

Bits error versus t

Bits error versus l

Bits error versus Om

Bits error versus Omc

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Results

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Derivation

  1. Initial program 10.7

    \[\sin^{-1} \left(\sqrt{\frac{1 - {\left(\frac{Om}{Omc}\right)}^{2}}{1 + 2 \cdot {\left(\frac{t}{\ell}\right)}^{2}}}\right)\]
  2. Initial simplification10.7

    \[\leadsto \sin^{-1} \left(\sqrt{\frac{1 - \frac{Om}{Omc} \cdot \frac{Om}{Omc}}{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}\right)\]
  3. Using strategy rm
  4. Applied clear-num10.8

    \[\leadsto \sin^{-1} \left(\sqrt{\color{blue}{\frac{1}{\frac{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}{1 - \frac{Om}{Omc} \cdot \frac{Om}{Omc}}}}}\right)\]
  5. Using strategy rm
  6. Applied *-un-lft-identity10.8

    \[\leadsto \sin^{-1} \left(\sqrt{\frac{1}{\frac{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}{\color{blue}{1 \cdot \left(1 - \frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)}}}}\right)\]
  7. Applied add-sqr-sqrt10.8

    \[\leadsto \sin^{-1} \left(\sqrt{\frac{1}{\frac{\color{blue}{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}}{1 \cdot \left(1 - \frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)}}}\right)\]
  8. Applied times-frac10.8

    \[\leadsto \sin^{-1} \left(\sqrt{\frac{1}{\color{blue}{\frac{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}{1} \cdot \frac{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}{1 - \frac{Om}{Omc} \cdot \frac{Om}{Omc}}}}}\right)\]
  9. Applied associate-/r*10.8

    \[\leadsto \sin^{-1} \left(\sqrt{\color{blue}{\frac{\frac{1}{\frac{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}{1}}}{\frac{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}{1 - \frac{Om}{Omc} \cdot \frac{Om}{Omc}}}}}\right)\]
  10. Using strategy rm
  11. Applied flip3--10.8

    \[\leadsto \sin^{-1} \left(\sqrt{\frac{\frac{1}{\frac{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}{1}}}{\frac{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}{\color{blue}{\frac{{1}^{3} - {\left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)}^{3}}{1 \cdot 1 + \left(\left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) + 1 \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)\right)}}}}}\right)\]
  12. Applied associate-/r/10.8

    \[\leadsto \sin^{-1} \left(\sqrt{\frac{\frac{1}{\frac{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}{1}}}{\color{blue}{\frac{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}{{1}^{3} - {\left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)}^{3}} \cdot \left(1 \cdot 1 + \left(\left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) + 1 \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)\right)\right)}}}\right)\]
  13. Applied associate-/r/10.8

    \[\leadsto \sin^{-1} \left(\sqrt{\frac{\color{blue}{\frac{1}{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}} \cdot 1}}{\frac{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}{{1}^{3} - {\left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)}^{3}} \cdot \left(1 \cdot 1 + \left(\left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) + 1 \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)\right)\right)}}\right)\]
  14. Applied times-frac10.8

    \[\leadsto \sin^{-1} \left(\sqrt{\color{blue}{\frac{\frac{1}{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}}{\frac{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}{{1}^{3} - {\left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)}^{3}}} \cdot \frac{1}{1 \cdot 1 + \left(\left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) + 1 \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)\right)}}}\right)\]
  15. Applied sqrt-prod10.8

    \[\leadsto \sin^{-1} \color{blue}{\left(\sqrt{\frac{\frac{1}{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}}{\frac{\sqrt{1 + 2 \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)}}{{1}^{3} - {\left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)}^{3}}}} \cdot \sqrt{\frac{1}{1 \cdot 1 + \left(\left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) + 1 \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)\right)}}\right)}\]
  16. Simplified10.8

    \[\leadsto \sin^{-1} \left(\color{blue}{\sqrt{\frac{1 - {\left(\frac{Om}{Omc}\right)}^{5} \cdot \frac{Om}{Omc}}{1 + \frac{2}{\frac{\ell}{t} \cdot \frac{\ell}{t}}}}} \cdot \sqrt{\frac{1}{1 \cdot 1 + \left(\left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) + 1 \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)\right)}}\right)\]
  17. Final simplification10.8

    \[\leadsto \sin^{-1} \left(\sqrt{\frac{1}{1 + \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc} + \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right) \cdot \left(\frac{Om}{Omc} \cdot \frac{Om}{Omc}\right)\right)}} \cdot \sqrt{\frac{1 - \frac{Om}{Omc} \cdot {\left(\frac{Om}{Omc}\right)}^{5}}{\frac{2}{\frac{\ell}{t} \cdot \frac{\ell}{t}} + 1}}\right)\]

Runtime

Time bar (total: 1.6m)Debug logProfile

herbie shell --seed 2018255 
(FPCore (t l Om Omc)
  :name "Toniolo and Linder, Equation (2)"
  (asin (sqrt (/ (- 1 (pow (/ Om Omc) 2)) (+ 1 (* 2 (pow (/ t l) 2)))))))