numelements

(To be removed) Number of elements in neural network data

numelements will be removed in a future release. For more information, see Transition Legacy Neural Network Code to dlnetwork Workflows.

For advice on updating your code, see Version History.

Syntax

numelements(x)


Description

numelements(x) takes neural network data x in matrix or cell array form, and returns the number of elements in each signal.

If x is a matrix the result is the number of rows of x.

If x is a cell array the result is an S-by-1 vector, where S is the number of signals (i.e., rows of X), and each element S(i) is the number of elements in each signal i (i.e., rows of x{i,1}).

Examples

This code calculates the number of elements represented by matrix data:

x = [1 2 3; 4 7 4]
n = numelements(x)

This code calculates the number of elements represented by cell data:

x = {[1:3; 4:6] [7:9; 10:12]; [13:15] [16:18]}
n = numelements(x)

Version History

Introduced in R2010b

R2026a: numelements will be removed

numelements will be removed in a future release.

To learn more about data processing for neural networks, see these examples and topics:

• Preprocess Data for Domain-Specific Deep Learning Applications

• Datastores for Deep Learning

• Choose an App to Label Ground Truth Data

For more information, see Transition Legacy Neural Network Code to dlnetwork Workflows.