Flip

R2026b

Flip input vertically or horizontally

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Flip block

To add a block to a model, double-click the canvas and start typing the block name. Then, select the block from the list.

Libraries:
DSP System Toolbox / Signal Management / Indexing

Description

The Flip block vertically or horizontally reverses the M-by-N input matrix, u. The block determines the dimension to flip along using the Flip along parameter.

This block supports Simulink^® virtual buses.

Ports

Input

Input — Input signal

matrix

Input signal, specified as a matrix of size M-by-N.

Data Types: single | double | int8 | int16 | int32 | uint8 | uint16 | uint32 | Boolean | fixed point | enumerated

Output

Output — Flipped output

matrix

Flipped output, returned as a matrix of size M-by-N. The output always has the same dimensionality as the input.

Data Types: single | double | int8 | int16 | int32 | uint8 | uint16 | uint32 | Boolean | fixed point | enumerated

Parameters

Flip along — Specify dimension to flip along

Columns (default) | Rows

Specify the dimension along which to flip the input as Columns or Rows. When you set this parameter to Columns, the block flips the input vertically. When you set this parameter to Rows, the block flips the input horizontally.

When you set this parameter to Columns, the block flips the input vertically so the first row of the input becomes the last row of the output.

y = flipud(u) % Equivalent MATLAB code 

When flipping the input vertically, the block treats length-M unoriented vector inputs as M-by-1 column vectors.

When you set this parameter to Rows, the block flips the input horizontally so the first column of the input becomes the last column of the output.

y = fliplr(u) % Equivalent MATLAB code 

When flipping the input horizontally, the block treats length-N unoriented vector inputs as 1-by-N row vectors.

Block Characteristics

Data Types	Boolean | double | enumerated | fixed point | integer | single
Direct Feedthrough	no
Multidimensional Signals	no
Variable-Size Signals	no
Zero-Crossing Detection	no

Programmatic Use: Add Block

To add the block programmatically, use the add_block function with one of these library block paths as the source.

"dspindex/Flip"

Example: add_block("dspindex/Flip","myModel/myBlock",MakeNameUnique="on")

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using Simulink® Coder™.

Version History

Introduced before R2006a