Matlab

NewArray.m
function B = NewArray(A,b)
B=A; %preallocation of output
[m,n]=size(A); %row and column number for index
L=length(b);
for i=1:min(m,n)
if (i<=L)
B(i,i)=B(i,i)+b(i);
else
B(i,i)=B(i,i)+0;
end
end
PositiveArray.m
function P = PositiveArray(A)
P=zeros(size(A)); %preallocation of output
[m,n]=size(A); %row and column number for index
for i=1:m
for j=1:n
if (A(i,j)>=0)
P(i,j)=A(i,j);
else
P(i,j)=A(i,j)^2;
end
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