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Nematrian Web Service Function Answer Structures

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More advanced programmers may wish to note the format of results returned by Nematrian web service functions.

 

Nearly all Nematrian web service functions require a live Session Id to run. These return their answers to the user in a variety of bespoke formats which have names such as MnDouble, MnDoubleArray etc.

 

Each of these bespoke formats consists of three parts:

 

(a)    ErrFlag (a String variable): indicates any errors that may have occurred

 

(b)   Debit (a Double variable): indicates amount of credit deducted from your SessionId when the web function is run

 

(c)    Answer: provides the answer

 

The structure taken by the “Answer” element varies according to the purpose of the function and explains the range of formats actually used. It is shown on the relevant function page. For example, if “Answer” is a Double variable, then the name of the overall structure is MnDouble. If “Answer” is a Double array (“Double()”) then the name of the overall structure is MnDoubleArray.

 

Some of the more complicated web functions also include a “Sizes” array to allow them to return multi-dimensional answers.

 


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