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# FileMaker Pro Custom Functions

combineMultiplyValues ( list1 ; list2 )

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Average rating: 4.5  (22 votes)
Discuss this Custom Function

Eduardo Lemos, n/a
http://donthaveone.com

a short CF to sequentially multiply numeric values between two different lists

Sample Input:
 ListA = "2¶3¶4¶5¶6" ListB = "6¶5¶4¶3¶2"
Sample Output:
 with operator = "*", the result is "12¶15¶16¶15¶12"

Then copy & paste into FileMaker Advanced's Edit Custom Function window.

## Description:

given two numerical lists, this recursive CF performs a mathematical binary operation between their [same-position] values — for example:

List01 * List02
Val01 * Val01
Val02 * Val02
Val03 * Val03
Val[n] * Val[n]

further, the binary operator may be changed to "/" or "-" or "+" or "^."
for example: given the numeric list1 "2¶3¶4¶5" and list2 "9¶8¶7¶6";
using operator "*" the CF results "18¶24¶28¶30"
using operator "/" the CF results ".222¶.375¶.571¶.833"
using operator "+" the CF results "11¶11¶11¶11"
using operator "-" the CF results "-7¶-5¶-3¶-1" and
using operator "^" the CF results "512¶6561¶16384¶15625"

thanks to Jonathan Stark for writing such elegant CF, and i hope i may've helped the community.

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

This is my Custom Function and I want to edit it

## Discuss:

i tested the cf on all binary operations with lists using 10000 random values generated at textmechanic (http://textmechanic.com/Generate-List-of-Numbers.html); although it took over 20 seconds to handle some operations, the CF performed well.

Eduardo Lemos, Victoria, Canada /Sao Paulo, Brazil
December 28, 2015 12:44am

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