Average Error: 47.4 → 1.3
Time: 2.2m
Precision: 64
Internal Precision: 4160
\[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)}\]
\[\left(\frac{\ell}{k} \cdot \frac{\frac{\ell}{k} \cdot \frac{2}{t}}{\sin k}\right) \cdot \frac{1}{\tan k}\]

Error

Bits error versus t

Bits error versus l

Bits error versus k

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 47.4

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)}\]
  2. Initial simplification30.4

    \[\leadsto \frac{\frac{\frac{2}{t} \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{t}\right)}{\sin k \cdot \tan k}}{\frac{k}{t} \cdot \frac{k}{t}}\]
  3. Using strategy rm
  4. Applied times-frac30.3

    \[\leadsto \frac{\color{blue}{\frac{\frac{2}{t}}{\sin k} \cdot \frac{\frac{\ell}{t} \cdot \frac{\ell}{t}}{\tan k}}}{\frac{k}{t} \cdot \frac{k}{t}}\]
  5. Applied times-frac19.6

    \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t}}{\sin k}}{\frac{k}{t}} \cdot \frac{\frac{\frac{\ell}{t} \cdot \frac{\ell}{t}}{\tan k}}{\frac{k}{t}}}\]
  6. Simplified19.0

    \[\leadsto \color{blue}{\frac{\frac{2}{k}}{\sin k}} \cdot \frac{\frac{\frac{\ell}{t} \cdot \frac{\ell}{t}}{\tan k}}{\frac{k}{t}}\]
  7. Using strategy rm
  8. Applied *-un-lft-identity19.0

    \[\leadsto \frac{\frac{2}{k}}{\sin k} \cdot \frac{\frac{\frac{\ell}{t} \cdot \frac{\ell}{t}}{\tan k}}{\color{blue}{1 \cdot \frac{k}{t}}}\]
  9. Applied *-un-lft-identity19.0

    \[\leadsto \frac{\frac{2}{k}}{\sin k} \cdot \frac{\frac{\frac{\ell}{t} \cdot \frac{\ell}{t}}{\color{blue}{1 \cdot \tan k}}}{1 \cdot \frac{k}{t}}\]
  10. Applied times-frac18.3

    \[\leadsto \frac{\frac{2}{k}}{\sin k} \cdot \frac{\color{blue}{\frac{\frac{\ell}{t}}{1} \cdot \frac{\frac{\ell}{t}}{\tan k}}}{1 \cdot \frac{k}{t}}\]
  11. Applied times-frac12.5

    \[\leadsto \frac{\frac{2}{k}}{\sin k} \cdot \color{blue}{\left(\frac{\frac{\frac{\ell}{t}}{1}}{1} \cdot \frac{\frac{\frac{\ell}{t}}{\tan k}}{\frac{k}{t}}\right)}\]
  12. Applied associate-*r*11.0

    \[\leadsto \color{blue}{\left(\frac{\frac{2}{k}}{\sin k} \cdot \frac{\frac{\frac{\ell}{t}}{1}}{1}\right) \cdot \frac{\frac{\frac{\ell}{t}}{\tan k}}{\frac{k}{t}}}\]
  13. Simplified6.9

    \[\leadsto \left(\frac{\frac{2}{k}}{\sin k} \cdot \frac{\frac{\frac{\ell}{t}}{1}}{1}\right) \cdot \color{blue}{\frac{\frac{\ell}{k}}{\tan k}}\]
  14. Using strategy rm
  15. Applied associate-*l/6.4

    \[\leadsto \color{blue}{\frac{\frac{2}{k} \cdot \frac{\frac{\frac{\ell}{t}}{1}}{1}}{\sin k}} \cdot \frac{\frac{\ell}{k}}{\tan k}\]
  16. Simplified1.0

    \[\leadsto \frac{\color{blue}{\frac{\ell}{k} \cdot \frac{2}{t}}}{\sin k} \cdot \frac{\frac{\ell}{k}}{\tan k}\]
  17. Using strategy rm
  18. Applied div-inv1.0

    \[\leadsto \frac{\frac{\ell}{k} \cdot \frac{2}{t}}{\sin k} \cdot \color{blue}{\left(\frac{\ell}{k} \cdot \frac{1}{\tan k}\right)}\]
  19. Applied associate-*r*1.3

    \[\leadsto \color{blue}{\left(\frac{\frac{\ell}{k} \cdot \frac{2}{t}}{\sin k} \cdot \frac{\ell}{k}\right) \cdot \frac{1}{\tan k}}\]
  20. Final simplification1.3

    \[\leadsto \left(\frac{\ell}{k} \cdot \frac{\frac{\ell}{k} \cdot \frac{2}{t}}{\sin k}\right) \cdot \frac{1}{\tan k}\]

Runtime

Time bar (total: 2.2m)Debug logProfile

BaselineHerbieOracleSpan%
Regimes1.31.30.01.30%
herbie shell --seed 2018340 +o rules:numerics
(FPCore (t l k)
  :name "Toniolo and Linder, Equation (10-)"
  (/ 2 (* (* (* (/ (pow t 3) (* l l)) (sin k)) (tan k)) (- (+ 1 (pow (/ k t) 2)) 1))))