area Function

Calculates the area under the curve of the argument.

This function returns a single value that can be used for measurements. The integ function may be used to obtain a vector of the area. area(arg) is equivalent to the value of (integ(arg))[length(arg)-1]

Arguments

Number Type Compulsory Default Description
1 real array Yes Vector
2 real No 0.0 Start x value
3 real No Final x value in data End x value

Argument 1

Vector to process. Must have a reference - e.g. x-values

Argument 2

Value on x-axis where the start of the curve area is located

Argument 3

Value on x-axis where the end of the curve area is located

Returns

Return type: real

Area under curve

Example