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CDL - EVAL: Difference between revisions
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(Created page with "== Introduction == The EVAL functions gives the possibility to modfy a measurement and plot the result as a separate line. So theoretically one could plot the Dewpoint as a ca...") |
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To be able to accomplish the calculations, on e needs certain additional functions such as SUM, LN and EXP. The functions which are available to the user are described below. The list will grow as the functions become available.
== Equation ==
Each equation is formulated between square brackets and is meant to modify a weather variable. Available to the user are functions, the weather variables and the mathematical operators +, -, * and /. EVAL Equations are more or less formally described as:
EVAL '[' Equation ']'
Equation := Term [ '+'|'-'|'*'|'/' Term ]
Term := '(' Equation ')' | Function '(' Equation ')' | Plotvariable | Number
Number := <Integer>[.[<Integer>]]
== Functions ==
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