Construct a 3 x 3 matrix, not in echelon form, whose columns span R³. Show that the matrix you construct has the desired property.
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Here's one example of a 3x3 matrix whose span is R^3:
1 2 3
4 5 6
7 8 9
To show that this matrix has the desired property, we need to demonstrate that the set of all linear combinations of its columns forms the entire 3-dimensional space. This can be done by showing that the columns are linearly independent and that they span the space.
Linear independence: The columns of the matrix are linearly independent, meaning that no column can be expressed as a linear combination of the others. For example, the first column (1, 4, 7) cannot be expressed as a combination of the second and third columns (2, 5, 8) and (3, 6, 9).
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- Q5. Write a program that reads from the user an integer matrix with 10x10, and then rotate that matrix 180° (UPSIDE DOWN) after that, calculate the sum and the average of the main diagonal. Print the matrix after the rotation and the values of the sum and the average of the main diagonal.in c++ please Write a function called Replace All that cerpts two parameters a matrix of 100 elements of type inter and an interval y. The function must - Replace every positive matrix element by the values +5and Replace every negative matrix element by the value - 5 and - Replace every mero try the value y.The vector x ∈ R N has L different entries. For example, L = 4 for x = [3,4,4,5,3,1,5,3]T . One can express x as x = S u, where u ∈ R L satisfies (u)i < (u)j if i < j and S is a matrix that contains only zeros and ones. Write the function repeated_entries, which takes x as input and returns S and u.
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