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Difficult project using arrays
I have about 3000 combinations of 5 or 6 or 7 or 10 numbers
I also have 700 rows in 5 columns that are fill with combinations of numbers A B C D E --------------------- eg. 1 2 5 8 10 5 20 40 41 42 12 22 35 39 40 The point is to find out how many matching numbers each of the 300 combos has with the 700 combos. I' ve made a formula that reads one by one all the above 300 combinations and finds if any combination has numbers that are included in each o the 5 numbers combinations. eg. if the first combination of the 3000 is: A B C D E F G -------------- 1 2 3 4 5 6 10 and the first 4 of the 700 combinations a A B C D E ------------- 1 10 12 40 41 1 5 20 22 25 2 6 10 20 22 12 20 21 25 30 I want to find out how many numbers of the 1st combo are matching the combos The result of the formula will be A B C D E -------------------- 1st row 1 1 0 0 0 2nd row 1 1 0 1 0 3nd row 1 1 1 0 0 4nd row 0 0 0 0 0 thats because if there are any matching numbers it returns the '1 otherwise the '0' At last it sums the '1' and it writes it in column. So i get A ---------- 1st row 2 2nd row 3 3nd row 3 4nd row 0 After all these i use a countif() to count how many 0, 1 , 2 , 3 , and 5 are returned from the formula for each combination So i get for the first 4 combinations of the 700 : A B C D E F G I J K L M ------------------------------- 0 1 2 3 4 5 ---------------- ------------ 1 2 3 4 5 6 10 1 0 1 2 0 0 thats the whole point. Next i continue with the 2nd combination, and so on. But when i do it using the formula it was running about 60 minutes. I there any otherway eg. arrays to give the result without waiting s long?? Thanks in advance Stathi -- Message posted from http://www.ExcelForum.com |
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