sum_: Sum of a function

In caracas: Computer Algebra

Sum of a function

Description

Sum of a function

Usage

sum_(f, var, lower, upper, doit = TRUE)

Arguments

f	Function to take sum of
var	Variable to take sum for (either string or caracas_symbol)
lower	Lower limit
upper	Upper limit
doit	Evaluate the sum immediately (or later with doit())

Examples

if (has_sympy()) {
  x <- symbol("x")
  s <- sum_(1/x, "x", 1, 10)
  as_expr(s)
  sum(1/(1:10))
  n <- symbol("n")
  simplify(sum_(x, x, 1, n))
}

caracas documentation built on Oct. 17, 2023, 5:08 p.m.