1 | initial version |

Thanks for the answer. Suppose I want to create a 2D matrix and I have to access its rows or columns or an individual elements. My data type caan be int/float/real number. What can be a solution in this case. Sorry I am quite new user of sage.

2 | No.2 Revision |

Thanks for the answer. Suppose I want to create a 2D matrix and I have to access its rows or columns or an individual elements. My data type caan be int/float/real number. What can be a solution in this case. An equivalent MATLAB code can be like this.

```
a = 0
b = 0
c = 0
for i = 1:10
for j = 1:10
b = b +1
c(i,j) = b
end
end
d = c(1,2)
```

Sorry I am quite new user of sage.

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