Monthly Archives: July 2011

Linear Algebra and Its Applications, Exercise 1.6.22

Posted on July 2, 2011 by hecker

Exercise 1.6.22. Find the inverse of the following lower triangular matrix: Answer: We use Gauss-Jordan elimination on the matrix , starting by multiplying the first row by the multiplier and subtracting it from the second row, multiplying the first row … Continue reading →

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Linear Algebra and Its Applications, Exercise 1.6.21

Posted on July 1, 2011 by hecker

Exercise 1.6.21. Factor the following symmetric matrices into the form . Answer: We perform Gaussian elimination on the first matrix and start by multiplying the first row by the multiplier and subtracting it from the second row: We then multiply … Continue reading →

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