60 lines
1.6 KiB
R
60 lines
1.6 KiB
R
# 1. Creating a matrix from a vector using the matrix() function
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matrix1 <- matrix(1:9, nrow=3, ncol=3)
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print("Matrix from Vector:")
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print(matrix1)
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# 2. Specifying row and column names at the time of creation
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row_names <- c("Row1", "Row2", "Row3")
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col_names <- c("Col1", "Col2", "Col3")
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matrix2 <- matrix(1:9, nrow=3, ncol=3, dimnames=list(row_names, col_names))
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print("Matrix with Row and Column Names:")
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print(matrix2)
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# 3. Creating a matrix by binding vectors column-wise using cbind()
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vector1 <- 1:3
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vector2 <- 4:6
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vector3 <- 7:9
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matrix3 <- cbind(vector1, vector2, vector3)
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print("Column-Bound Matrix:")
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print(matrix3)
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# 4. Creating a matrix by binding vectors row-wise using rbind()
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matrix4 <- rbind(vector1, vector2, vector3)
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print("Row-Bound Matrix:")
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print(matrix4)
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# 5. Creating a diagonal matrix using diag()
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diagonal_matrix <- diag(c(1, 2, 3))
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print("Diagonal Matrix:")
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print(diagonal_matrix)
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# 6. Creating a matrix of zeros
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zero_matrix <- matrix(0, nrow=3, ncol=3)
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print("Zero Matrix:")
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print(zero_matrix)
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# 7. Creating a matrix of ones
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one_matrix <- matrix(1, nrow=3, ncol=3)
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print("One Matrix:")
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print(one_matrix)
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# 8. Creating an identity matrix
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identity_matrix <- diag(1, 3)
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print("Identity Matrix:")
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print(identity_matrix)
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# 9. Using outer to create a matrix from two vectors
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matrix5 <- outer(1:3, 1:3, FUN="*")
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print("Matrix from Outer Product:")
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print(matrix5)
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# 9.5: using the byrow
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matrix6 <- matrix(1:9, nrow=3, ncol=3, byrow=TRUE)
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print("Matrix by Row:")
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print(matrix6)
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# 10. Creating a matrix with random numbers
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random_matrix <- matrix(runif(9), nrow=3)
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print("Matrix with Random Numbers:")
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print(random_matrix) |