W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
thismatrix <- matrix(c("apple", "banana", "cherry", "orange", "grape", "pineapple", "pear", "melon", "fig"), nrow = 3, ncol = 3) newmatrix <- cbind(thismatrix, c("strawberry", "blueberry", "raspberry")) # 打印新的矩阵 newmatrix