Campbell LoggerNet, Инструкция по эксплуатации, Страница: 355 / 580

Section 8. Working with Data Files on the PC
The following array of ASCII data will be used for all Mathematical function
examples.
0105 0176 1200 –07.89 55.10 12.45 270.5
Abs(x) returns the absolute, or positive value of element x.
Examples:
Abs(4) = 7.89
Abs(4
∗
5) = 434.74
Arctan(x) returns the arc tangent of element x in degrees.
Examples:
Arctan(7) = 89.788
Arctan(7/6) = 87.365
Cos(x) returns the cosine of element x in degrees.
Examples:
Cos(5) = .57215
Cos(5–6) = .73551
Exp(x) returns the exponential base e to the power of element x.
Example:
Exp(4) = .00037
Frac(x) returns the fractional value of the element x.
Examples:
Frac(4) = –.89
Frac(6+7) = .95
Int(x) returns the integer portion of the element x.
Examples:
Int(7) = 270
Int(5
∗
6) = 685
Ln(x) returns the natural log of element x.
Examples:
Ln(6) = 2.5217
Ln(7/6
∗
5/1) = 2.4337
Sin(x) returns the sine of element x in degrees.
Examples:
Sin(7) = –.99996
Sin(7–2+5) = .50603
Spatial functions, included under Mathematical functions, operate on a per
Output Array basis. The average, maximum, minimum, and standard deviation
of a specified group of elements within an array are calculated.
SpaAvg(x..y) returns the spatial average of elements x through y.
Examples:
SpaAvg(1..7) = 258.74
SpaAvg(1,4,7) = 122.54
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