polyInterp

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

版本 1.3.1 (2.0 KB)
26.0 次下载
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2026/8/28

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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".

引用格式

Graham Holt (2026). polyInterp (https://ww2.mathworks.cn/matlabcentral/fileexchange/183904-polyinterp), MATLAB Central File Exchange. 检索时间: .

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版本 已发布 发行说明
1.3.1

For consistency with existing literature
1.3.0

Uses vanderr() function, found in Convenience Bundle
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