Assuming mat is a matrix, which of the following statements about the code mat(3,5) is true?   1. It accesses the 3rd column in mat 2. It reads the number 5 in mat 3. It accesses the 5th column of mat 4. It writes the number 3 to mat

Q: Q1:write program for reading matrix B(5,5), then interchange the element of (1st )column with the…

A: Here from question program declares or gives a two-dimensional array of size 5 rows and 5 columns.…

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A: Given:

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A: (a) Code will return the error : Matrix dimensions must agree.

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A: Given:

Q: 44. The determinant of an n x n matrix can be evaluated by a cofactor expansion along any row.

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Q: * If you run this piece of code, you will get an ?error. Why a = [0 1 2 3; 4 5 6 7]; a = a^2;

A: Answer the above question are as follows

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A: the answer is given below:

Q: * If you run this piece of code, you will get an ?error. Why

A: Answer :

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A: Answer to the above question is in step2.

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A: You have not specified any specific programming language in the question So, I have used C…

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A: c) True: size_t represents an unsigned integral type and is defined as 64 bits.

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A: Answer:

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A: the solution for the above given question is given below: