Control DC gain calculator

Calculate DC gain or undefined and DC evaluation status with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use DC gain or undefined and DC evaluation status to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Numerator coefficients descending powers
2,4
Denominator coefficients descending powers
1,3,2
DC gain or undefined
2
DC evaluation status
finite coefficient-ratio gain

Try another scenario

Numerator coefficients descending powers
[2, 5]
Denominator coefficients descending powers
[1, 3, 2]
DC gain or undefined
2.5
DC evaluation status
finite coefficient-ratio gain
Calculation method

Calculation method

DC gain or undefined

Evaluate numerator constant/denominator constant; denominator zero explicitly undefined without symbolic cancellation.

DC evaluation status

Evaluate numerator constant/denominator constant; denominator zero explicitly undefined without symbolic cancellation.

Symbols and units
a
Numerator coefficients descending powers
b
Denominator coefficients descending powers

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • User-supplied measurements and assumptions; Evaluate numerator constant/denominator constant; denominator zero explicitly undefined without symbolic cancellation. Supported limits: Finite numeric values bounded to 1e9 magnitude; lists and tables contain 1–100 records unless a stricter bound is stated. Inputs use the units shown. Lists explicitly paired by a method must have matching lengths; independent polynomial coefficient vectors may differ. Respect stated physical, interpolation, policy and computational domain limits.
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Further reading

Method reference ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

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