Average Error: 8.2 → 8.1
Time: 18.0s
Precision: 64
Internal Precision: 128
\[\sqrt{\frac{e^{2 \cdot x} - 1}{e^{x} - 1}}\]
\[\sqrt{\left(\left(\sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}} \cdot \sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}}\right) \cdot \sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}}\right) \cdot \left(\sqrt{\sqrt[3]{e^{x} + 1}} \cdot \sqrt{\sqrt[3]{e^{x} + 1}}\right)}\]

Error

Bits error versus x

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 8.2

    \[\sqrt{\frac{e^{2 \cdot x} - 1}{e^{x} - 1}}\]
  2. Initial simplification8.1

    \[\leadsto \sqrt{e^{x} + 1}\]
  3. Using strategy rm
  4. Applied add-cube-cbrt8.1

    \[\leadsto \sqrt{\color{blue}{\left(\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}\right) \cdot \sqrt[3]{e^{x} + 1}}}\]
  5. Using strategy rm
  6. Applied add-cube-cbrt8.1

    \[\leadsto \sqrt{\color{blue}{\left(\left(\sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}} \cdot \sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}}\right) \cdot \sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}}\right)} \cdot \sqrt[3]{e^{x} + 1}}\]
  7. Using strategy rm
  8. Applied add-sqr-sqrt8.1

    \[\leadsto \sqrt{\left(\left(\sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}} \cdot \sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}}\right) \cdot \sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}}\right) \cdot \color{blue}{\left(\sqrt{\sqrt[3]{e^{x} + 1}} \cdot \sqrt{\sqrt[3]{e^{x} + 1}}\right)}}\]
  9. Final simplification8.1

    \[\leadsto \sqrt{\left(\left(\sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}} \cdot \sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}}\right) \cdot \sqrt[3]{\sqrt[3]{e^{x} + 1} \cdot \sqrt[3]{e^{x} + 1}}\right) \cdot \left(\sqrt{\sqrt[3]{e^{x} + 1}} \cdot \sqrt{\sqrt[3]{e^{x} + 1}}\right)}\]

Runtime

Time bar (total: 18.0s)Debug logProfile

herbie shell --seed 2018255 
(FPCore (x)
  :name "sqrtexp (problem 3.4.4)"
  (sqrt (/ (- (exp (* 2 x)) 1) (- (exp x) 1))))