number-class {Matrix} | R Documentation

## Class "number" of Possibly Complex Numbers

### Description

The class `"number"` is a virtual class, currently used for vectors of eigen values which can be `"numeric"` or `"complex"`.

It is a simple class union (`setClassUnion`) of `"numeric"` and `"complex"`.

### Objects from the Class

Since it is a virtual Class, no objects may be created from it.

### Examples

    showClass("number")
    stopifnot( is(1i, "number"), is(pi, "number"), is(1:3, "number") )

[Package Matrix version 1.2-17 Index]