abs {base}R Documentation

Miscellaneous Mathematical Functions

Description

These functions compute miscellaneous mathematical functions. The naming follows the standard for computer languages such as C or Fortran.

Usage

abs(x)
sqrt(x)

See Also

Arithmetic for simple, log for logarithmic, sin for trigonometric, and Special for special mathematical functions.

Examples

xx <- -9:9
plot(xx, sqrt(abs(xx)),  col = "red")
lines(spline(xx, sqrt(abs(xx)), n=101), col = "pink")

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