Question

Extra Problem #1:

By hand, determine all variable iterations of the nested for loop below:

loop = [-4 7 5];

initial = 2:2:20;

value = 10:-1:1;

k = 1;

build = ones(3,6);

for m = 1:length(loop)

for n = 3:-1:1

stamp(n) = loop(n) + initial(m) -value(m+n)

end

build(:,k) = stamp'

k = k + 2

end

Answer 1

all variable iterations of the nested for loop are stamp, build and k

Trace:
-----------
stamp =

   0   0   0

stamp =

   0   1   0

stamp =

  -11    1    0

build =

  -11    1    1    1    1    1
    1    1    1    1    1    1
    0    1    1    1    1    1

k =  3
stamp =

  -11    1    3

stamp =

  -11    4    3

stamp =

  -8   4   3

build =

  -11    1   -8    1    1    1
    1    1    4    1    1    1
    0    1    3    1    1    1

k =  5
stamp =

  -8   4   6

stamp =

  -8   7   6

stamp =

  -5   7   6

build =

  -11    1   -8    1   -5    1
    1    1    4    1    7    1
    0    1    3    1    6    1

k =  7