MATRIX (Creation & Accessing Elements) IN R - PROGRAMMING || DATA STRUCTURES IN R

Matrix - Creation & Accessing Elements

creation - matrix() - 3 parameter
1. data - vector
2. nrow
3. ncol

Accessing elements of matrix

using indexing - index inside subscript

1.Accessing One element - matrix_name[row_num,col_num]
2.Accessing Whole Row - matrix_name[row_num,]
3.Accessing Whole Column - matrix_name[,col_num]
4.Accessing More than one row - matrix_name[c(row1,row2,. . .),]
5.Accessing More than one column - matrix_name[,c(col1,col2,. . .)]


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