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Important Introduction to Programming Short Questions

Chapter: 44
Question 1:
What is the effect of operator - when used with a double and a Matrix?
Answer: It subtracts the double value from each element of the matrix and returns the modified matrix.
Chapter: 44
Question 2:
What does operator * do when multiplying two Matrix objects?
Answer: It performs matrix multiplication, where each element of the resulting matrix is computed as the dot product of rows and columns of the input matrices.
Chapter: 44
Question 3:
How does operator * work with a Matrix and a double?
Answer: It multiplies each element of the matrix by the double value and returns the updated matrix.
Chapter: 44
Question 4:
Explain operator * when a double is on the left side and a Matrix on the right.
Answer: It multiplies each element of the matrix by the double value and returns the new matrix, similar to right-side multiplication.
Chapter: 44
Question 5:
What is the purpose of operator / in the Matrix class?
Answer: It divides each element of the matrix by the given double value and returns the resulting matrix.
Chapter: 44
Question 6:
How does operator + function when a double is added to a Matrix?
Answer: It creates a new matrix with each element increased by the given double value and returns the new matrix.
Chapter: 44
Question 7:
What does operator - do when a double is subtracted from a Matrix?
Answer: It generates a new matrix where each element is decreased by the specified double value and returns it.
Chapter: 44
Question 8:
What is the role of ostream & operator << in the Matrix class?
Answer: It is used to output the matrix to an output stream (e.g., console or file) by calling the matrix's output function.
Chapter: 44
Question 9:
What does istream & operator >> do for a Matrix object?
Answer: It inputs matrix data from an input stream (e.g., console or file) by calling the matrix's input function.
Chapter: 44
Question 10:
Describe the use of ofstream & operator << for a Matrix.
Answer: It writes the matrix data to an output file stream by invoking the matrix's output function.