internal node (of a tree)

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An internal node of a tree is any node which has degree greater than one. Or, phrased in rooted tree terminology, the internal nodes of a tree are the nodes which have at least one child node.

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Figure: A tree with internal nodes highlighted in red.

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derivative
DerivativeAndDifferentiabilityOfComplexFunction
derivative and differentiability of complex function
DerivativeAsParameterForSolvingDifferentialEquations
derivative as parameter for solving differential equations
DerivativeForParametricForm
derivative for parametric form
DerivativeNotation
derivative notation
DerivativeOfEvenoddFunctionproof
derivative of even/odd function (proof)
DerivativeOfExponentialFunction
derivative of exponential function
DerivativeOfHomogeneousFunction
derivative of homogeneous function
DerivativeOfInverseFunction
derivative of inverse function
DerivativeOfInverseMatrix
derivative of inverse matrix
DerivativeOfLimitFunctionDivergesFromLimitOfDerivatives
derivative of limit function diverges from limit of derivatives
DerivativeOfLogarithmWithRespectToBase
derivative of logarithm with respect to base
DerivativeOfMatrix
derivative of matrix

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