# How to identify the baseline

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Ibrahim Suleiman le 31 Mar 2021
Commenté : Star Strider le 23 Avr 2021
I have force-time graph and I want to identify the baseline. How can I do this? Is there a function to find the baseline?
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### Réponse acceptée

Star Strider le 31 Mar 2021
Since the baseline appears to be the minimum value, the min function may do what you want. There are similar functions that can extend that approach if you need to use them.
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Ibrahim Suleiman le 23 Avr 2021
Thank you for your help. This aproach makes the most sense to me.
Star Strider le 23 Avr 2021
As always, my pleasure!

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### Plus de réponses (1)

Image Analyst le 31 Mar 2021
Maybe mask the signal to find values below a threshold and then take the mean
threshold = 10; % Or whatever.
baselineIndexes = abs(signal) < threshold;
baseLineValue = mean(signal(baselineIndexes));
yline(baseLineValue, 'Color', 'r', 'LineWidth', 2);
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