finding the index of row

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Busy Bee
Busy Bee on 19 May 2018
Edited: Jan on 19 May 2018
This is my data set.
y =[107.5000 108.3271 178.2391 37.0000 37.7498 177.1469 177.5000 176.8030 106.7899 36.3059 36.6464 106.2095]
I am using
This gives me a null matrix. Why?

Answers (2)

Majid Farzaneh
Majid Farzaneh on 19 May 2018
Hi. Use this:
Your result is null because you have only one row and you are searching in all rows (one row) and first column. So there is no 37.7495 in your first element.

Jan on 19 May 2018
Edited: Jan on 19 May 2018
While the solution has given by Majid Farzaneh already, remember, that comparisons with floating point values are sensitive for rounding.

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