Mathematics Homework Solutions

Find Associated Eigenvectors

A = -14 -4 20 4 smaller eigenvalue = -6 associated eigenvector= (__ , __) larger eigenvalue = -4 associated eigenvector= (__ , __) Find associated eigenvectors.

Eigenvalues

For which value of k does the matrix A = 1 k 4 8 have one real eigenvalue of multiplicity 2? K=___?

Eigenvalues and Eigenvectors

The matrix A = 1 1 0 0 0 0 0 1 1 has two real eigenvalues, one of multiplicity 1 and one of multiplicity 2. Find the eigenvalues and the eigenvectors. Eigenvalue of multiplicity 1 : Associated Eigenvector: Eigenvalue of multiplicity 2 : Associated two linearly independent ...continues

Vectors : Linear Independence

Let A = [ -5, 6, -19] B= [-1, 2, -3] and C= [-2, 2, -8] **they are linearly independent*** The problem is the same as if the vectors were written vertically. If they are linearly dependent, determine a non-trivial linear relation - (a non-trivial relation is three numbers which are not all three zero.) otherwise, if t ...continues

Eigenvectors : Linear Independence

The matrix A = 1 1 0 0 0 0 0 1 1 has two real eigenvalues, one of multiplicity 1 and one of multiplicity 2. Find the eigenvalues and the eigenvectors. Eigenvalue of multiplicity 1 : 0 Associated Eigenvector: .57735 -.57735 .57735 ...continues

Systems of ODEs : Elimination

Find a general solution to the system: x1' = -3x1 + x2 x2' = -4x1 + 2x2

Unique Equilibrium Levels : Lead Levels in Blood

For any positive values of the input I and the rate constants k, show that system (3) has a unique equilibtium solution x1=a, x2=b, x3=c where a,b and c are all positive. Building the Model ODEs Apply the Balance Law to the lead flow through the blood, tissue, and bone compartments diagrammed in Figure 61 .2 to obtain a syst ...continues

Differential Equations

Suppose that the initially lead-free subject in Example 6.1.1 is exposed to lead for 400 days, and then removed to a lead free environment. Use a computer to estimate how long it takes the amount x3 of lead in the bones to decline 50% of x3(400); repeat for 25% and 10%. (See attachment for full details)

Use of Convolution Theorem to Solve Laplace Transform

The following is a sample test question involving the use convolution to find the inverse Laplace transform of the below equation. I have thus so far not been able to break the initial equation down into the two separate equations F(s) and G(s). Any help would be appreciated as it has been a while since I have used partial fra ...continues

Obtain a Laplace Transform using Laplace Expansion Properties

My problem deals with the Laplace expansion property applied to a cosine function. I am unsure as to how the problem should be solved based on the given property formula and the Differential Equation books that I have used have been of no help. If familiar, please try to use the DiPrima notation.

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