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datenum
Convert to serial date number
Syntax
N = datenum() N = datenum(DT) N = datenum(Y, M, D) N = datenum(Y, M, D, H, MI, S)
Description
The datenum function converts date vectors (defined by datevec) into serial date numbers. Date numbers are serial days elapsed from some reference date. By default, the serial day 1 corresponds to 1-Jan-0000.
N = datenum() returns the serial date numbers corresponding to current date.
N = datenum(DT) converts one or more date vectors to serial date number N. DT can be an m-by-6 or m-by-3 matrix containing m full or partial date vector respectively.
N = datenum(Y, M, D) returns the serial date numbers for corresponding elements of the Y, M, and D (year, month, day) arrays. Y, M and D must be arrays of the same size (or any can be a scalar).
N = datenum(Y, M, D, H, MI, S) returns the serial date numbers for corresponding elements of the Y, M, D, H, MI, and S (year, month, day, hour, minute, and second) array values.Y, M, D, H, MI, and S must be arrays of the same size (or any can be a scalar).
Examples
// N = datenum() datenum() // N = datenum(DT) A = [ 0 1 1 0 0 0 ; 2005 2 8 21 37 30 ] datenum(A) // N = datenum(Y, M, D) Years = [0; 1973; 2006] Months = [1; 8; 2] Days = [1; 4; 8] datenum(Years,Months,Days) Years = [0 0 0 ; 0 0 0] Months = [1 1 1 ; 1 1 1] Days = [1 2 3 ; 4 5 6] datenum(Years,Months,Days) // N = datenum(Y, M, D, H, MI, S) Years = grand(5,10,'uin',0,2006) Months = grand(5,10,'uin',1,12) Days = grand(5,10,'uin',1,28) Hours = grand(5,10,'uin',0,23) Minutes = grand(5,10,'uin',0,59) Seconds = grand(5,10,'uin',0,59) datenum(Years,Months,Days,Hours,Minutes,Seconds)
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