isdlarray

Check if object is dlarray

Since R2020b

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    Syntax

    tf = isdlarray(X)

    Description

    tf = isdlarray(X) returns logical 1 (true) if X is a dlarray, and logical 0 (false) otherwise. You can use this function with an if statement to avoid executing code that expects dlarray input.

    example

    Examples

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    Open Live Script

    Create a 2-by-3-by-4 array of random values.

    X = rand(2,3,4)
    X = 
X(:,:,1) =

    0.8147    0.1270    0.6324
    0.9058    0.9134    0.0975


X(:,:,2) =

    0.2785    0.9575    0.1576
    0.5469    0.9649    0.9706


X(:,:,3) =

    0.9572    0.8003    0.4218
    0.4854    0.1419    0.9157


X(:,:,4) =

    0.7922    0.6557    0.8491
    0.9595    0.0357    0.9340

    Check if the array is a dlarray object.

    isdlarray(X)
    ans = logical
   0

    Convert the array to dlarray.

    X = dlarray(X)
    X = 
  2×3×4 dlarray


(:,:,1) =

    0.8147    0.1270    0.6324
    0.9058    0.9134    0.0975


(:,:,2) =

    0.2785    0.9575    0.1576
    0.5469    0.9649    0.9706


(:,:,3) =

    0.9572    0.8003    0.4218
    0.4854    0.1419    0.9157


(:,:,4) =

    0.7922    0.6557    0.8491
    0.9595    0.0357    0.9340

    Check if the array is a dlarray object.

    isdlarray(X)
    ans = logical
   1

    Input Arguments

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    Input variable, specified as a workspace variable. X can be any data type.

    Extended Capabilities

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    Version History

    Introduced in R2020b

    See Also

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