Q11.Select all matrices `M` for which the following code prints `True` to the console.
```
n = len(M)
flag = True
for i in range(n):
for j in range(n):
if (i != j) and (M[i][j] + M[j][i] != 0):
flag = False
print(flag)
```
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Q11
16 Oct 2022
Q11.Select all matrices `M` for which the following code prints `True` to the console.
```
n = len(M)
flag = True
for i in range(n):
for j in range(n):
if (i != j) and (M[i][j] + M[j][i] != 0):
flag = False
print(flag)
```
