Argmax

Compares vectors from multiple streams and determines the index in the vector and stream number where the maximum value occurred.

Data is passed in as a vector of length vlen from multiple input sources. The block analyzes the input streams of data items and outputs two streams:

1. max_vec: Stream 0 will contain the index value in the vector where the maximum value occurred. This output is of short data type.
2. max_inp: Stream 1 will contain the number of the input stream that held the maximum value. This output is of short data type.

Parameters

IO Type

Supported data types

• Float
• Int
• Short

Num Inputs

Number of input streams to include in the operation

Vec Length

Length of the vector

Example Flowgraph

This flowgraph shows the two usecases of the Argmax block. The top case shows how the max_inp output works. The bottom case shows how the max_vec output works.

This flowgraph can be downloaded from Media:Argmax.grc.

Source Files

C++ files

argmax_impl.cc

Header files

argmax_impl.h

Public header files

argmax.h

Block definition

blocks_argmax_xx.block.yml