Formualizer Docs
ReferenceFunctionsMath Functions

SERIESSUM

SERIESSUM: Evaluates a power series from coefficients, start power, and step.

Summary

Evaluates a power series from coefficients, start power, and step.

Remarks

  • Computes sum(c_i * x^(n + i*m)) in coefficient order.
  • Coefficients may be supplied as a scalar, array literal, or range.
  • Errors in x, n, m, or coefficient values are propagated.

Examples

Series from an array literal
Grid
CellValue
No inputs on Sheet1.
Formula
=
Result
Not evaluated yet.
Expected
17
Series from worksheet coefficients
Grid
CellValue
Formula
=
Result
Not evaluated yet.
Expected
0.390625

FAQ

In what order are SERIESSUM coefficients applied?

Coefficients are consumed in input order as c_ix^(n+im).

Runtime metadata

Category

Math

Signature

SERIESSUM(arg1: Number, arg2: Number, arg3: Number, arg4: Any)

Arity

min 4, max 4

Arguments

arg1

Number · Scalar · coercion NumberLenientText

arg2

Number · Scalar · coercion NumberLenientText

arg3

Number · Scalar · coercion NumberLenientText

arg4

Any · Scalar

Caps

PURE

Source

crates/formualizer-eval/src/builtins/math/numeric.rs

SECH

SECH: Returns the hyperbolic secant of a number, defined as `1 / COSH(x)`.

SIGN

Returns the sign of a number as -1, 0, or 1.

On this page

SummaryRemarksExamplesRelated functionsFAQIn what order are SERIESSUM coefficients applied?Runtime metadata