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    Matrix Dimensions

    Usage

    Dimensions[expr] gives a list of the dimensions of expr. 
Dimensions[expr, n] gives a list of the dimensions of expr down to level n.

    Basic example

    Find the dimensions of a matrix:
In[1]:=Dimensions[{{a, b, c}, {d, e, f}}]
Out[1]={2, 3}

    Option

    AllowedHeads

    Relationships with other entities

    ArrayDepth | Length | ArrayQ | VectorQ | MatrixQ

    Relationships with other entities

    History

    introduced in Version 1 (June 1988)
last modified in Version 12.1 (March 2020)

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