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FileMaker Pro Custom Functions

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CreateConstantMatrix (

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Average rating: 4.3 (12 votes)
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Ronald W. Satz, Transpower Corporation
http://www.transpowercorp.com

Creates a matrix of size (Rows, Columns) with a ConstantValue for each element (each element is followed by a semi-colon).

Sample Input:

( "" ; 2 ; 8 ; 0 ; 0 ; 5 )

Sample Output:

5; 5; 5; 5; 5; 5; 5; 5;
5; 5; 5; 5; 5; 5; 5; 5;

// Call the function as follows: ( "" ; rows ; columns ; 0 ; 0 ; value_of_constant ) Case ( ( counter_c = columns ) and ( counter_r = rows ) ; matrix ; // end the recursion Let ( [ counter_c = Case ( counter_c ≠ columns ; counter_c + 1 ; 1 ) ; counter_r = Case ( counter_c = 1 ; counter_r + 1 ; counter_r ) ; matrix = Case ( counter_c = 1 and counter_r = 1 ; constant & "; " ; counter_c = 1 and counter_r > 1 ; matrix & constant & "; " ; counter_c = columns ; matrix & constant & "; " & ¶ ; matrix & constant & "; " ) ] ; CreateConstantMatrix ( matrix; rows; columns; counter_r ; counter_c ; constant) // recurse ) )
Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed

Description:

This function is used in preparation for Transpower Corporation's SetCell custom function, also listed here on Brian Dunning's site. Once CreateConstantMatrix is run (which sets up the default values of the elements), SetCell can be run to populate the matrix with the non-default values.

The CreateConstantMatrix should be called with a null value for the matrix name (" ") and with 0 values for the row and column counters.

In the sample input, the matrix is to have 2 rows with 8 columns, all having the value of 5. The SetCell custom function can then set each element to its proper value. Note: The CreateConstantMatrix does NOT add a paragraph return at the end, so it's necessary to delete the "1 + " in the calculation for tot_rows in SetCell!

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

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