Important Introduction to Programming Short Questions
Chapter: 43
Question 1:
What happens when a matrix is divided by a scalar?
Answer:
Each element of the matrix is divided by the scalar.
Chapter: 43
Question 2:
How is scalar multiplication of a matrix performed?
Answer:
Each element of the matrix is multiplied by the scalar.
Chapter: 43
Question 3:
What is required for matrix multiplication?
Answer:
The number of columns in the first matrix must be equal to the number of rows in the second matrix.
Chapter: 43
Question 4:
How is matrix multiplication executed?
Answer:
Multiply each element of a row of the first matrix by the corresponding element of a column of the second matrix, sum the products, and place the result in the resultant matrix.
Chapter: 43
Question 5:
What is the result of multiplying a 2x3 matrix with a 3x4 matrix?
Answer:
The result will be a 2x4 matrix.
Chapter: 43
Question 6:
Explain the transpose of a matrix.
Answer:
The transpose of a matrix is obtained by interchanging its rows and columns.
Chapter: 43
Question 7:
How does the size of a matrix change after transposition?
Answer:
For a non-square matrix, the number of rows and columns are swapped. For a square matrix, the size remains the same.
Chapter: 43
Question 8:
What are the key functions of the Matrix class constructor?
Answer:
The constructor initializes the matrix with specified dimensions and allocates memory for it.
Chapter: 43
Question 9:
How are matrix elements displayed using the Matrix class?
Answer:
The display function is used to output matrix elements to the screen.
Chapter: 43
Question 10:
What is operator overloading in the context of matrices?
Answer:
Operator overloading allows defining custom behavior for operators (e.g., +, -, *) when applied to matrix objects.