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howto_find _values_in_sum?
if you have a array of numbers and want to identify
which of those numbers add up to a specified value, is there a function in excel (or has anyone written one) that can help find the correct combination of numbers. eg in a simple example; if the array of values was 2,3,5,6 and the specified value was 9, we know the only combination of numbers from this array that would sum to give the value 9 are 6 & 3, however with larger arrays of numbers (30) or more, it would be more difficult solve the problem manually. |
#2
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howto_find _values_in_sum?
To find a single solution
See a previous posting by me: http://groups.google.com/groups?thre...2msftngp13.phx. gbl Note the cautions by Harlan Grove at the bottom of the thread - so it doesn't scale to any problem, but would be workable for 30. See Dana DeLouis' post as well. -- Regards, Tom Ogilvy M Randall wrote in message ... if you have a array of numbers and want to identify which of those numbers add up to a specified value, is there a function in excel (or has anyone written one) that can help find the correct combination of numbers. eg in a simple example; if the array of values was 2,3,5,6 and the specified value was 9, we know the only combination of numbers from this array that would sum to give the value 9 are 6 & 3, however with larger arrays of numbers (30) or more, it would be more difficult solve the problem manually. |
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