pracma (version 1.9.9)

piecewise: Piecewise Linear Function

Description

Compute zeros and area of a piecewise linear function.

Usage

piecewise(x, y, abs = FALSE)

Arguments

x, y
x- and y-coordinates of points defining the piecewise linear function
abs
logical; shall the integral or the total area between the x-axis and the function be calculated

Value

Returns a list with the integral or area as first element and the vector as all zeroes as second.

Details

Compute zeros and integral resp. area of a piecewise linear function given by points with x and y as coordinates.

See Also

trapz

Examples

Run this code
x <- c(0,  2, 3,  4, 5)
y <- c(2, -2, 0, -2, 0)
piecewise(x, y)
piecewise(x, y, abs=TRUE)

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