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elapsed time - the time that elapses while some event is occurring. 1  period, period of time, time period - an amount of time; a time period of 30 years; hastened the period of time of his recovery; Picasso's blue period. one-way light time, OWLT - the elapsed time it takes for light (or radio signals) to travel between the Earth and a celestial object.
In summary, use tic and toc to measure elapsed time in MATLAB, because the functions have the highest accuracy and most predictable behavior. where the tic and toc lines are recognized by MATLAB for minimum overhead. The tic and toc syntax was extended in R2008b to allow multiple nested tic and toc counters.