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def definition def or abbrev

biasedCoinEntropy

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formal statement (Lean)

  93noncomputable def biasedCoinEntropy : ℝ :=

proof body

Definition body.

  94  -0.9 * log2 0.9 - 0.1 * log2 0.1
  95
  96/-! ## J-Cost Connection -/
  97
  98/-- In RS, compression is J-cost minimization:
  99
 100    **Uncompressed data**: High redundancy = High J-cost
 101    **Compressed data**: No redundancy = Low J-cost
 102    **Perfect compression**: J-cost = entropy (minimum)
 103
 104    Compression algorithms seek minimum J-cost! -/

depends on (11)

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