1. Yang-Ming University, Taipei, Taiwan
Arrays and Matrices

2. Useful Functions of Arrays and Matrices
Codes
Function
fliplr
Flips matrix from left to right
flipud
Flips matrix up to down
permute
Rearranges dimensions of N-D array
repmat
Replicates and tile array
reshape
Reshapes array
rot90
Rotates matrix 90 degrees
squeeze
Removes singleton dimensions
diag
Create diagonal matrix or get diagonal elements of matrix
tril
Lower triangular part of matrix
triu
Upper triangular part of matrix

3. fliplr permute Flip array left to right Syntax
B = fliplr(A)
Rearrange dimensions of N-D array
Syntax
B = permute(A,order)

4. reshape Reshapes array Syntax B = reshape(A,sz)
B = reshape(A,sz1,...,szN)

5. squeeze
Removes singleton dimensions
Syntax
B = squeeze(A)

6. Thank you for your attention!!