Rounds an array up to N digits from the left, taking the element with more digits to the left ['max(abs(x(:)))'] as the reference. So, it is different from ROUNDN (mappinf toolbox) because this latter takes the dot as reference.
roundd(0.012345,3) = 0.012300
roundd(0.012345,4) = 0.012350, etc
Note: inside there is a function that check where an array has integer (natural numbers) elements: ISNATURAL
Check the screenshot for an example.
Carlos Adrian Vargas Aguilera (2022). roundd.m (https://www.mathworks.com/matlabcentral/fileexchange/12992-roundd-m), MATLAB Central File Exchange. Retrieved .
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