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Rényi Power Sum One Symbol Term Tool

Compute rényi power sum one symbol term from explicit bounded inputs.

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Description

Require mass in [0, 1] and positive order, then return mass^order.

Entropy summarizes uncertainty under a specified probability model and logarithm convention. Support indicators, one-symbol terms, and exponentiated entropies are components with different meanings.

Require mass in [0, 1] and positive order, then return mass^order.

When to use this tool

Use Rényi Power Sum One Symbol Term when you need one explicitly scoped entropy or support calculation.

How to use the tool and how it works

  1. Enter mass, order. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read term. Use the output convention below.

Require mass in [0, 1] and positive order, then return mass^order.1

Input fieldMeaning and unitsAccepted input
massProbability mass, dimensionless, in the stated domain.Required. Finite number; minimum 0; maximum 1.
orderOrder parameter for the stated entropy-family term.Required. Finite number; strictly above 0.
Output fieldInterpretationReturned shape
termSingle mathematical contribution; aggregation and normalization are separate.Required. Finite number.
json
{
  "input": {
    "mass": 0.5,
    "order": 2
  },
  "output": {
    "term": 0.25
  }
}

Limitations and assumptions

  • This is one Rényi power-sum contribution, not entropy itself; aggregation, logarithm, and the order-one limit are separate.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Validate and align complete probability distributions before aggregating terms or interpreting an uncertainty estimate.

References

  1. Calculation and input contract: information/renyi-power-sum-one-symbol-term — tool.io

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