Math X, Math Y - JEOL JSPM-5200 Instructions Manual

６ ANALYSIS OPERATION
The data at the two edges of the graph cannot be processed.
Data Width
The number of data points to be averaged or compared is specified in this input box.

6.12.2 Math X, Math Y

A mathematical operation with a constant is carried out on the X axis (Math X) or the Y
axis (Math Y) data.
The following seven mathematical operations are provided.
1.
Select Math X or Math Y from the Process pull-down menu. Select the
desired operation in the sub-pulldown menu.
2.
If Add, Multiply or Divide is selected, the Enter constant window will appear.
Enter a constant in the window.
The designated mathematical operation is performed for the graph data, and dis-
played.
6-102
Y
３
２
A case of five-point
median smoothing
Operation
Add
Multiply
Divide
Natural Log
Inverse
Absolute Value
Sort
If a mathematical operation overflows, it is set to the maximum or minimum
value in the graph data.
Y
10
5
X
—5
—10
Original graph
The Y values of the five points
４
are sorted, and the value of
Y3 is replaced by the middle
５
of those five values (Y2, in
this example).
X
Description
Addition of a constant
Multiplication with a constant
Division by a constant
Natural logarithm
Invert the sign of value
Absolute value
Sorting the data
Add (constant is 5.0)
Y
10
5
X
—5
—10
Processed graph
TMPM5200-2