GNUPlot Manual
GNUPlot Manual
GNUPlot Manual
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22 gnuplot 4.0 10 EXPRESSIONS<br />
10.2.2 Binary<br />
The following is a list of all the binary operators and their usages:<br />
Binary Operators<br />
Symbol Example Explanation<br />
** a**b exponentiation<br />
* a*b multiplication<br />
/ a/b division<br />
% a%b * modulo<br />
+ a+b addition<br />
- a-b subtraction<br />
== a==b equality<br />
!= a!=b inequality<br />
< a= a>=b greater than or equal to<br />
& a&b * bitwise AND<br />
^ a^b * bitwise exclusive OR<br />
| a|b * bitwise inclusive OR<br />
&& a&&b * logical AND<br />
|| a||b * logical OR<br />
(*) Starred explanations indicate that the operator requires integer arguments.<br />
Logical AND (&&) and OR (||) short-circuit the way they do in C. That is, the second && operand is<br />
not evaluated if the first is false; the second || operand is not evaluated if the first is true.<br />
10.2.3 Ternary<br />
There is a single ternary operator:<br />
Ternary Operator<br />
Symbol Example Explanation<br />
?: a?b:c ternary operation<br />
The ternary operator behaves as it does in C. The first argument (a), which must be an integer, is<br />
evaluated. If it is true (non-zero), the second argument (b) is evaluated and returned; otherwise the<br />
third argument (c) is evaluated and returned.<br />
The ternary operator is very useful both in constructing piecewise functions and in plotting points only<br />
when certain conditions are met.<br />
Examples:<br />
Plot a function that is to equal sin(x) for 0
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