MATLAB: How to find the iteration number which gave me specific result

iteration

Say I am generating an array in matlab using for loop. In that array I have to find which value is minimum, so I used min function to find out. No I want to find out which iteration gave that result. How can I achieve this?

Best Answer

Store the iteration number as well as the minimum.

Or just use min with two outputs

[minv, idx] = min(A)

Related Solutions

MATLAB: Finding 2nd minimum value in an array

A2 = sort(A(:));
out = A2(2);

other way:

A2 = unique(A(:));
out = A2(2);

or:

out = min(setdiff(A(:),min(A(:))));

etc.

MATLAB: How to store iteration while loop result

all_x0 = x0;
all_fx = fx;   %you should check that I used the right variable
counter = 1;
while abs(xj-x0)>=error
    disp('*****************')
    x0=xj %new value of x0 to generate new xj in next iteration
    y=subs(poly2sym(f),x,x0);
    fx=[y]
    counter = counter + 1;
    all_x0(counter) = x0;
    all_fx(counter) = fx;
    Upper=subs(poly2sym(firstDiff),x,x0);
    Lower=subs(poly2sym(secondDiff),x,x0);
    xj=x0-(Upper/Lower)
end

Best Answer

Related Solutions

MATLAB: Finding 2nd minimum value in an array

MATLAB: How to store iteration while loop result

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