They must have the same dimensions.
No. You can only add matrices of the same size.
Only square matrices have inverses.
The singular form of matrices is matrix.
Which one of those matrices is more comfortable to sleep on?
They must have the same dimensions.
The usual rules of addition of fractions apply.
No.
write ashell script to add awo matrix using array.
No. You can only add matrices of the same size.
No, you cannot add matricies of different dimention/order (i.e. different number of rows or columns)
Only square matrices have inverses.
Please clarify what you want to "solve". There are several operations you can do with matrices, such as add them, multiply them, transpose them, etc.
how is matrices is applicable in our life?
The singular form of matrices is matrix.
The matrices must have the same dimensions.
Only square matrices have a determinant