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### 3.7. Matrix Manipulations

The shape and size of a matrix can be altered by using the following MATLAB commands:

#### 3.7.1. Reshaping Matrices

Matrices can be reshaped into a vector or into any other appropriately sized matrix as described below:

##### 3.7.1.1. Reshaping of a Matrix as a Vector

All the elements of a matrix A can be grouped into a single column vector b by the command b = A(:). Matrix A will be stored column wise in vector b i.e. first column is stored first, then second column and so on.

##### Example 3.7.
 Let matrix . Reshape the matrix to a column vector. Solution: The command ```A=[1 10 20; 2 5 6 ;7 8 9] ``` The following result is displayed: ...

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