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2.4. Consider the equation In(x) = Ex. (a) Sketch the functions in this equation and then...
Consider a forced spring-mass equation of the form x′′ + x = cos(ωt) with initial conditions...
Consider a forced spring-mass equation of the form x′′ + x = cos(ωt) with initial conditions x(0) = 1 and x′(0) = 0. a) Suppose ω doesnt = 1, find the solution to the IVP. b)If ω = 1, find the solution to the IVP. c)In which of the two cases does the phenomenon of pure resonance occur? Ex- plain your answer. d)Verify that with ω = 9/10, x(t) = 100 (cos( 9t ) − 81 cos t) solves the...
Question 1. Consider these real-valued functions of two variables: +in (b) (i) Sketch the cross-s...
Question 1. Consider these real-valued functions of two variables: +in (b) (i) Sketch the cross-sections of g with 20-0, ±v3 on a single diagram. (ii) Sketch the cross-sections of g with yo 0, +1, 2 on a single diagram (ii) Sketch the graph of g. (You should not spend too long on your sketch. Perhaps add some words to describe what you think the surface looks like.)
Question 1. Consider these real-valued functions of two variables: +in (b) (i) Sketch...
Consider the differential equation for the vector-valued function x, x = x, A- Find the eigenvalues...
Consider the differential equation for the vector-valued function x, x = x, A- Find the eigenvalues A, , and their corresponding eigenvectors V, V, of the coefficient matrix A (a) Eigenvalues Au, dy (b) Eigenvector for A, you entered above (c) Eigenvector for A, you entered above: V2 = (d) Use the eigenpairs you found in parts (a)-(C) to find real-valued fundamental solutions to the differential equation above X = X Note: To enter the vector (u, v) type <u,v>...
Consider the differential equation e24 y" – 4y +4y= t> 0. t2 (a) Find T1, T2,...
Consider the differential equation e24 y" – 4y +4y= t> 0. t2 (a) Find T1, T2, roots of the characteristic polynomial of the equation above. 11,12 M (b) Find a set of real-valued fundamental solutions to the homogeneous differential equation corresponding to the one above. yı(t) M y2(t) = M (C) Find the Wronskian of the fundamental solutions you found in part (b). W(t) M (d) Use the fundamental solutions you found in (b) to find functions ui and Usuch...
Are the functions fi (x) = ex+4 and fz(x-er-5 linearly dependent or independent? A. Linearty dependent...
Are the functions fi (x) = ex+4 and fz(x-er-5 linearly dependent or independent? A. Linearty dependent OB. Linearly independent Which of the following best describes the correct choice for part (a)? (Carefull) 0 A. Since the only solution to cfı + c/2 = 0 is ci = c2-0. B. Since the Wronskian equals zero for at least one x on (-o, o). C. Since the Wronskian never equals zero on (-oo, oo). D. Since the functions are scalar multiples of...
3.1: Characteristic polynomial, linear independence 8. Consider the following differential equation: xy" - (x + 1)y...
3.1: Characteristic polynomial, linear independence 8. Consider the following differential equation: xy" - (x + 1)y + y = 0 The functions, Y1 = +1 72 = 4x + 4 are solutions to this differential equation. Find the general solution, or explain why we don't have enough information to do so.
Question 1. Consider these real-valued functions of two variables f(x, y) (a) (i) What is the max...
Question 1. Consider these real-valued functions of two variables f(x, y) (a) (i) What is the maximal domain, D, for the functions f and g? Write D in set notation (ii) What is the range of f and g? Is either function onto? (iii) Show that f is not one-to-one. (iv) Find and sketch the level sets of g with heights: 20-0, 20-2, 20-4 (Note: Use set notation, and draw a single contour diagram.) (v) Without finding Vg, on your...
Consider the differential equation y" – 7y + 12 y = 0. (a) Find r1, 72,...
Consider the differential equation y" – 7y + 12 y = 0. (a) Find r1, 72, roots of the characteristic polynomial of the equation above. 11,2 M (b) Find a set of real-valued fundamental solutions to the differential equation above. yı(t) M y2(t) M (C) Find the solution y of the the differential equation above that satisfies the initial conditions y(0) = -4, y'(0) = 1. g(t) = M Consider the differential equation y" – 64 +9y=0. (a) Find r1...
Consider the BVP for the function y given by 21T (a) Find ri, r2, roots of the characteristic pol...
Consider the BVP for the function y given by 21T (a) Find ri, r2, roots of the characteristic polynomial of the equation above. (b) Find a set of real-valued fundamental solutions to the differential equation above. y (x)-| 3cos(5x) y2 (x)-| 3/5cos(5x)+ksin(5x) (c) Find all solutions y of the boundary value problem. y(r)3cos(5x)+3/5sin(5x) Note 1: If there are no solutions, type No Solution. Note 2: If there are infinitely many solutions, use k for the arbitrary constant.
Consider the BVP...
Consider the differential equation (a) Find ri, r2, roots of the characteristic polynomial of the equation...
Consider the differential equation (a) Find ri, r2, roots of the characteristic polynomial of the equation above. T1,T2 (b) Find a set of real-valued fundamental solutions to the homogeneous differential equation corresponding to the one above. n(t) = v2(t) (c) Find a particular solution yp of the differential equation above. Bplt)
Question 1. Consider these real-valued functions of two variables: +in (b) (i) Sketch the cross-sections of g with 20-0, ±v3 on a single diagram. (ii) Sketch the cross-sections of g with yo 0, +1, 2 on a single diagram (ii) Sketch the graph of g. (You should not spend too long on your sketch. Perhaps add some words to describe what you think the surface looks like.)
Question 1. Consider these real-valued functions of two variables: +in (b) (i) Sketch...
Consider the differential equation for the vector-valued function x, x = x, A- Find the eigenvalues A, , and their corresponding eigenvectors V, V, of the coefficient matrix A (a) Eigenvalues Au, dy (b) Eigenvector for A, you entered above (c) Eigenvector for A, you entered above: V2 = (d) Use the eigenpairs you found in parts (a)-(C) to find real-valued fundamental solutions to the differential equation above X = X Note: To enter the vector (u, v) type <u,v>...
Consider the differential equation e24 y" – 4y +4y= t> 0. t2 (a) Find T1, T2, roots of the characteristic polynomial of the equation above. 11,12 M (b) Find a set of real-valued fundamental solutions to the homogeneous differential equation corresponding to the one above. yı(t) M y2(t) = M (C) Find the Wronskian of the fundamental solutions you found in part (b). W(t) M (d) Use the fundamental solutions you found in (b) to find functions ui and Usuch...
Are the functions fi (x) = ex+4 and fz(x-er-5 linearly dependent or independent? A. Linearty dependent OB. Linearly independent Which of the following best describes the correct choice for part (a)? (Carefull) 0 A. Since the only solution to cfı + c/2 = 0 is ci = c2-0. B. Since the Wronskian equals zero for at least one x on (-o, o). C. Since the Wronskian never equals zero on (-oo, oo). D. Since the functions are scalar multiples of...
3.1: Characteristic polynomial, linear independence 8. Consider the following differential equation: xy" - (x + 1)y + y = 0 The functions, Y1 = +1 72 = 4x + 4 are solutions to this differential equation. Find the general solution, or explain why we don't have enough information to do so.
Question 1. Consider these real-valued functions of two variables f(x, y) (a) (i) What is the maximal domain, D, for the functions f and g? Write D in set notation (ii) What is the range of f and g? Is either function onto? (iii) Show that f is not one-to-one. (iv) Find and sketch the level sets of g with heights: 20-0, 20-2, 20-4 (Note: Use set notation, and draw a single contour diagram.) (v) Without finding Vg, on your...
Consider the differential equation y" – 7y + 12 y = 0. (a) Find r1, 72, roots of the characteristic polynomial of the equation above. 11,2 M (b) Find a set of real-valued fundamental solutions to the differential equation above. yı(t) M y2(t) M (C) Find the solution y of the the differential equation above that satisfies the initial conditions y(0) = -4, y'(0) = 1. g(t) = M Consider the differential equation y" – 64 +9y=0. (a) Find r1...
Consider the BVP for the function y given by 21T (a) Find ri, r2, roots of the characteristic polynomial of the equation above. (b) Find a set of real-valued fundamental solutions to the differential equation above. y (x)-| 3cos(5x) y2 (x)-| 3/5cos(5x)+ksin(5x) (c) Find all solutions y of the boundary value problem. y(r)3cos(5x)+3/5sin(5x) Note 1: If there are no solutions, type No Solution. Note 2: If there are infinitely many solutions, use k for the arbitrary constant.
Consider the BVP...
Consider the differential equation (a) Find ri, r2, roots of the characteristic polynomial of the equation above. T1,T2 (b) Find a set of real-valued fundamental solutions to the homogeneous differential equation corresponding to the one above. n(t) = v2(t) (c) Find a particular solution yp of the differential equation above. Bplt)
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