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set the vector same length

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chris patel
chris patel on 21 Feb 2021
Answered: Star Strider on 21 Feb 2021
I have two sets of data, stress and strain. this a project and i have only 5 values in y and 9 values in x axis.
x values (2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016)
and y value (0, 0.05, 0.1, 0.15, 0.2)
I need both vectors to be the same length, which would be [9 X1]. I am not sure what to do . can anyone plese help me? thank you in advance

Answers (1)

Star Strider
Star Strider on 21 Feb 2021
The approach depends on what you want as the result:
x = [2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016];
y = [0, 0.05, 0.1, 0.15, 0.2];
y9 = linspace(min(y), max(y), numel(x)); % Option #1
y9 = interp1(x(1:numel(y)), y, x, 'linear', 'extrap'); % Option #2
Try these and see if either of them does what you want.

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