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Algebra: Monomial Multi Degree Label Tool

Format an explicit monomial multidegree preserving variable order and zero exponents; no symbolic parser.

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Description

Format a monomial multidegree and variable labels.

A monomial combines a coefficient with variable exponents. Ordinary nonnegative exponents and signed Laurent exponents have different domains; exponent-vector divisibility and greatest-common-factor rules describe the variable part unless coefficients are explicitly included. Zero coefficients and absent variables need separate flags.

Format a monomial multidegree and variable labels.

When to use this tool

Use Algebra: Monomial Multi Degree Label when checking the stated exponent-vector, support, coefficient or Laurent convention.

How to use the tool and how it works

  1. Enter variables, exponents. Follow any array-alignment requirements below. 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 result. Expand result to inspect the returned fields.

Format a monomial multidegree and variable labels. Require aligned unique ASCII identifiers up to 32 characters and exponents whole 0..1e6; join variable^exponent tokens and return the original exponent vector.1

Input fieldMeaning and unitsAccepted input
variablesVariablesRequired. Array of text. Implementation limit: 128 items.
exponentsExponentsRequired. Array of finite number. Implementation limit: 128 items.
Output fieldInterpretationReturned shape
resultObject containing the returned operation-specific members listed below.Required. Object.
result.labelLabelCalculated result member: string.
result.multidegreeMultidegreeCalculated result member: array.
json
{
  "input": {
    "variables": [
      "x",
      "y"
    ],
    "exponents": [
      2,
      0
    ]
  },
  "output": {
    "result": {
      "label": "x^2 y^0",
      "multidegree": [
        2,
        0
      ]
    }
  }
}

Limitations and assumptions

  • Zero exponents remain in the label; no coefficient, algebraic simplification or actual variable meaning is inferred.
  • Outputs are nested inside result. 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

Use the complete coefficient domain and variable assumptions for symbolic simplification, full monomial divisibility or algebraic-domain conclusions.

References

  1. Calculation and input contract: algebra/monomial-multi-degree-label — tool.io

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