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Trace (G Dataflow)

Last Modified: January 9, 2017

Finds the trace of a matrix.

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matrix

A square or rectangular matrix.

This input accepts a 2D array of double-precision, floating point numbers or 2D array of complex double-precision, floating point numbers.

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error in

Error conditions that occur before this node runs. The node responds to this input according to standard error behavior.

Default: No error

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trace

The sum of the elements in the main diagonal of the input matrix.

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error out

Error information. The node produces this output according to standard error behavior.

Algorithm for Calculating the Trace of a Matrix

This node uses the following equation to compute the output trace.

tr ( A ) = i = 0 min ( m , n ) 1 a i i

where

  • A is the input matrix
  • tr(A) is the output trace
  • m and n are the number of rows and the number of columns of the input matrix, respectively

Where This Node Can Run:

Desktop OS: Windows

FPGA: Not supported


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