There are two ways for indexing an array/matrix in MATLAB, which are subscript and linear indexing. To return the number of rows and columns of a matrix, we can use:Īlternatively, you can obtain the number of rows and columns with a single command: We can use magic(n) function, which returns an -by- matrix constructed from the integers 1 to. An -by- 2D array can be illustrated as follows: Let’s start with 2D arrays or matrices in MATLAB. That’s the reason for different operations for matrix and array in MATLAB, as discussed in here. Early versions of MATLAB supported only 2D matrices, not n-dimensional arrays. Note that the word “matrix” typically refers to a 2D array, whereas an “array” can be n-dimensional. Arrays in MATLAB can be 2 or 3 dimensional or even higher. Matrix definitionĮvery variable in MATLAB is an array that can hold many numbers, characters, strings, date and times, and so on. This is part 2 in which “Matrices and Indexing” are explained. “MATLAB Vectorization Demystified”: In this series, I try to explain vectorization operation in MATLAB in details step-by-step through several examples.
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