MATLAB: Overwrite the same matrix passed into a function

functionmatrixoverwrite

Hi, I have a function that edits some dates in a column to serial dates. How can I overwrite the matrix I pass into the function? When I run for example:
(dateMatrix) —-> new dateMatrix
But what happens is I get the ans matrix returned.
function A = changeDates(A)
d = A(:,1);
d=num2str(d)-0;
Y=str2num(char(d(:,1:4)));
M=str2num(char(d(:,5:6)));
D=str2num(char(d(:,7:8)));
sd=datenum(Y,M,D)
A(:,1) = sd;
clear d Y M D sd
thanks friz

Best Answer

dateMatrix = changeDates(dateMatrix)
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