polyInterp

polyInterp(x,f) generates the simplest polynomial function defined by its derivatives at various points

Version 1.2.5 (1,84 KB)
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15. Aug 2026

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polyInterp(x,f) returns the simplest polynomial which evaluates to "f" at "x"
polyInterp(___,d) considers the order "d" derivative of the polynomial to equal "f" at "x".
[p,V] = polyInterp(___) returns the "generalized" Vandermonde matrix used to compute the polynomial

Zitieren als

Graham Holt (2026). polyInterp (https://de.mathworks.com/matlabcentral/fileexchange/183904-polyinterp), MATLAB Central File Exchange. Abgerufen .

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Version Veröffentlicht Versionshinweise
1.2.5

Includes output for the Vandermonde matrix used
1.2.4

Changes order of inputs to allow for typical interpolation as default
1.2.3

Corrects consideration for x=0, unifies method to exclude conditionals
1.2.2

Corrects issue with misaligned coefficients
1.2.1

Minor speed-up/simplification for taking polynomial derivative
1.2.0

Includes functionality to solve systems with redundant conditions and improved clarity in algorithm with closer relation to underlying Vandermonde matrix
1.1.2

Allows for both row and column vector inputs, renamed for additional clarity
1.1.1

Added comments for more insight to process
1.1.0

Allowing for symbolic entries and renamed to better reflect its use case
1.0.0