how to use this :https://f​r.mathwork​s.com/help​/ident/exa​mples/time​-series-pr​ediction-a​nd-forecas​ting-for-p​rognosis.h​tml ?

hi, i'm student and i try to understand how to use this :https://fr.mathworks.com/help/ident/examples/time-series-prediction-and-forecasting-for-prognosis.html . But i need hel beacause i don't understand what are numel and floor in this example; and than i'm stuck and i can't do the same with my time serie

Answer 1

[Sai Sri Pathuri]

numel function is used to find number of elements in an array. floor function is used to round the number to the nearest integer less than or equal to that number.

The following documentation may help

numel - https://in.mathworks.com/help/matlab/ref/numel.html

floor - https://in.mathworks.com/help/matlab/ref/floor.html

[gauthier lejeannic]

thank's, can you explain my what are "Ts" and "[ ]"? please

[Sai Sri Pathuri]

[] is an empty array and Ts specifies the sample time of the experimental data.

See the second syntax in below documentation

https://www.mathworks.com/help/ident/ref/iddata.html

Try to use the documentations for inbuilt functions