MatrixQ

Available

Tests whether an expression is a rectangular matrix

Forms

MatrixQ[expr]

MatrixQ[expr, test]

Verified examplesMatrixQ[{{1, 2}, {3, 4}}] → True MatrixQ[{1, 2, 3}] → False

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Used in

Linear algebra introduction read - 9 steps
Linear algebra matrix and tensor operations vectors and tensors - 20 steps

Topics

Elements Of Lists - Finding Sublists
GPU Computing - Arrays
GPU Computing-Apple - Arrays
GPU Computing-NVIDIA - Arrays
Matrices And Linear Algebra - Matrix Predicates »
Matrix Predicates - Basic

Related

HermitianMatrixQ PositiveDefiniteMatrixQ VectorQ ArrayQ ArrayDepth Dimensions Part First Last Length ByteCount Normal

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