pracma: poly2str – R documentation

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poly2str

Print Polynomial

Print polynomial as a character string.

poly2str(p, svar = "x", smul = "*", d = options("digits")$digits)

`p`	numeric vector representing a polynomial
`svar`	character representing the unknown, default `x`.
`smul`	multiplication symbol, default `*`.
`d`	significant digits, default `options("digits")`.

Simple string manipulation.

Returns the usual string representing a polynomial in mathematics.

poly2str(c(0))
poly2str(c(1, -1, 1, -1, 1))
poly2str(c(0, 1e-6, 1e6), d = 2)

Practical Numerical Math Functions

v2.3.3

GPL (>= 3)

Authors

Hans W. Borchers [aut, cre]

Initial release

2021-01-22