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R Matrix.
In R programming, a Matrix is an object with elements arranged as a two-dimensional array like a table. An R matrix can contain elements of only the same atomic types.
In data analytics or data processing, we mostly use Matrix with the numeric datatype. In this tutorial, we will deal with Matrix containing numbers.
Create a Matrix in R.
matrix() function is used to create a Matrix in R. Following is the syntax of matrix() function.
data is the input vector which becomes the data elements of the matrix. NA is the default value. nrow denotes the number of rows to be created. 1 is the default value. ncol specifies the number of columns to be created. 1 is the default value. If byrow is TRUE then the input vector elements are arranged by row. If byrow is FALSE, the input vector elements are arranged by column. dimname is the names assigned to the rows and columns like in an Excel file.
Example to create an R matrix.
In this example, we will create a matrix with a vector of numbers as input. A vector of numbers is of fixed length. If we do not specify any number for rows or columns, the vector of numbers is taken as a single column.

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