Answer :
The function for the 2D array of numbers inMat and produces an array called outMat2 is written along with the output.
Sure, here's a function called GenMat that takes a 2D array of numbers inMat and produces an array called outMat2 with the required modifications:
function [outMat1, outMat2] = GenMat(inMat)
% calculate the mean and standard deviation of the first row
meanFirst = mean(inMat(1,:));
stdFirst = std(inMat(1,:));
% calculate the mean and standard deviation of the last row
meanLast = mean(inMat(end,:));
stdLast = std(inMat(end,:));
% create a copy of the input array
outMat1 = inMat;
% modify the first row
outMat1(1,1) = meanFirst;
outMat1(1,end) = stdFirst;
% modify the last row
outMat1(end,1) = meanLast;
outMat1(end,end) = stdLast;
% create a copy of the modified input array
outMat2 = outMat1;
end
To use this function with the given example input, you can call it like this:
inMat = [10 10 30 40; 59 19 70 30; 12 13 32 15; 38 44 55 47];
[outMat1, outMat2] = GenMat(inMat);
This will produce the expected output:
outMat2 =
22.5000 10.0000 30.0000 15.0000
59.0000 19.0000 70.0000 30.0000
12.0000 13.0000 32.0000 15.0000
46.0000 44.0000 55.0000 7.0711
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