Finding global maxima and minima of a matrix row

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NotA_Programmer
NotA_Programmer 2022-5-3
编辑： NotA_Programmer 2022-5-12
I have a matrix of Data, have calculated its local maxima and minim. Now need help on how to find global maxima and minima of Data.
Code used to find local maxima and minima:
filename = 'xyz.xlsx';
Data = xlsread(xyz);
DataMax = cell(rows,1); IDataMax = cell(rows,1); DataMin = cell(rows,1); IDataMin = cell(rows,1);
for i=1:rows
[DataMax{i}, IDataMax{i}, DataMin{i}, IDataMin{i}] = extrema(Data(i,:));
end

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回答（1 个）

Star Strider
Star Strider 2022-5-3
This can be done easilly with the max and min functions. For the dimension argument use 'all'.

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