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Section 7: Introduction to TSP operation
Model 2461 Interactive SourceMeter® Instrument Reference Manual
7-14
2461-901-01 A/November 2015
Example: Boolean
y = false
print(y, type(y))
false boolean
Example: String and number
x = "123"
print(x, type(x))
x = x + 7
print(x, type(x))
123 string
Adding a number to x forces its type to
number.
1.30 number
Example: Function
function add_two(first_value,
second_value)
return first second_value
end
print(add_two(3, 4), type(add_two))
7 function
Example: Table
atable = {1, 2, 3, 4}
print(atable, type(atable))
print(atable[1])
print(atable[4])
Defines a table with four numeric
elements.
Note that the "table" value (shown here
as
a096cd30
) will vary.
table: a096cd30 table
1
4
Delete a global variable
To delete a global variable, assign
nil
to the global variable. This removes the global variable from
the run-time environment.
Operators
You can compare and manipulate Lua variables and constants using operators.
Arithmetic operators
Operator
Description
+
addition
-
subtraction
*
multiplication
/
division
-
negation (for example, c =
−
a)
^
exponentiation