Rule for NamedEquationSection

<EquationKeyword>[:]\n
(<Equation> \n)*
[<End>]


Rule for EquationKeyword

(EQUATIONS[_SECTION] | EQUATION_SECTION | Equations)

Rule for Equation

(<Term> (⎵\t)*)* <Operator> (⎵\t)* [+|-]<Integer>


Rule for Term

[+|-] (⎵\t)* [<Integer>]<Name>

Note that a name must match one of the names defined in the NameSection. Note that in an equation, each name may occur at most once.

Rule for Operator

(== | =)

Rule for Integer

(1-9)[(0-9)]*


Rule for Name

(a-z|A-Z)(a-z|A-Z|0-9|_|^)*

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Examples

Names:
A B C
Equations:
2A == 0
- B == -1
A +B + C = 2


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May be used in

• OuterDescriptionFile

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Legend

[X]: X is optional.
(X|Y|Z): One of X, Y or Z is present.
(A-E): Any ASCII symbol between symbol A and E.
X*: X may occur any number of times (including zero).