Procv (excel) in Matlab

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Kevy Pontes
Kevy Pontes 2021-2-7
编辑： Kevy Pontes 2021-2-7
Hi everyone,
I have a matrix containing in the first column the time and in the second column a vector corresponding to the second derivative of a sigmoidal function (second derivative calculated by differences). A=[t ysecondderivative]. I need to find the time between the maximum and the minimum of the second derivative? example: Maximum reached in 5,25h and minimum reached in 7.6h. This is very similar to procv function in excel, which search for a number and returns the value of a desired column.
I'm struggling with that if anyone can help me.
Thanks in advance

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