Average Error: 2.0 → 0.2
Time: 24.6s
Precision: 64
Internal Precision: 384
\[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\]
\[\frac{{k}^{m}}{\frac{1}{a} + \frac{k}{a} \cdot \left(10 + k\right)}\]

Error

Bits error versus a

Bits error versus k

Bits error versus m

Derivation

  1. Initial program 2.0

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\]
  2. Applied simplify2.0

    \[\leadsto \color{blue}{\frac{{k}^{m} \cdot a}{1 + \left(10 + k\right) \cdot k}}\]
  3. Using strategy rm
  4. Applied associate-/l*2.1

    \[\leadsto \color{blue}{\frac{{k}^{m}}{\frac{1 + \left(10 + k\right) \cdot k}{a}}}\]
  5. Taylor expanded around 0 3.8

    \[\leadsto \frac{{k}^{m}}{\color{blue}{\frac{{k}^{2}}{a} + \left(\frac{1}{a} + 10 \cdot \frac{k}{a}\right)}}\]
  6. Applied simplify0.2

    \[\leadsto \color{blue}{\frac{{k}^{m}}{\frac{1}{a} + \frac{k}{a} \cdot \left(10 + k\right)}}\]

Runtime

Time bar (total: 24.6s)Debug log

herbie shell --seed '#(2479486159 2123901208 2662424940 349789437 14252662 202027171)' 
(FPCore (a k m)
  :name "Falkner and Boettcher, Appendix A"
  (/ (* a (pow k m)) (+ (+ 1 (* 10 k)) (* k k))))