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Consider a succession: U = Uz=1 Unti = un+ 2 un-1 a) Write the above as...
Problem 13.13. Consider the system of three linear differential equations: xt = 2x1 + 3x2 + 4.13 where the unknowns are the three functions xi(t), x2(t), and 23(t). x'a = 2x2 + 6.13 (a) Write the system in the form x' = Ax, where A is a (3 x 3) matrix. X'z = 2x3 (b) Write A as the sum of two matrices, A=D+U, where D is a diagonal matrix (all of the off-diagonal entries are zero, and the diagonal...
PDE questions. Please show all steps in detail. 2. Consider the initial-boundary value problem 0
Chapter 4, Section 4.6, Question 03b Consider the bases B = {u, u, uz) and B' - {u', u', u'3) for R3, where 2 1 2 -1 3 u = U2 = [i uz = 2 1 u -13) u2 1 1 -3 из 2 Compute the coordinate vector (w]g, where w = | [-71 -4 and use Formula (12) [v]B = P8-8 [v]B ) to compute [w |-7 [w] = ? Edit [w] B 11 Edit Chapter 4, Section...
X=0 x = 1/2 x= L u U2 Uz (a) Trial solution for a 1-D quadratic elastic bar element can be written as follows: ū(x) = [N]{u} where, [N] = [N1 N2 N3] and {u} u2 13 1 and Ni L2 L2 [N] and {u} are known as interpolation function matrix and nodal displacement, respectively. (272 – 3L + L´), N= = (22- La), Ns = 12 (2=– LE) Derive the expression for element stiffness matrix, (Kelem) and element force...
#12 6.3.20 s Question Help 5 0 Let un 2. u2 -8 and uz = 1 Note that u, and uz are orthogonal. It can be shown that ug is not in the subspace W spanned by u, and up. Use this to - 1 0 construct a nonzero vector v in R3 that is orthogonal to u, and up. 4 The nonzero vector v = is orthogonal to u, and u2
1) (15 marks) Consider the following PDHE Uz(0, t) = 0, u(5,t)=1, t>0 u(x, 0)- 20 exp(-2), 0<x<!5 (a) Solve using separation of variables. You may leave the eigenfunction expansion coef (b) Plot the solution at t-1,3,5 and 30, along with the initial condition and steady state ficients in inner product form. solution, using 15 terms in your truncated expansion. You may use mupad to evaluate the eigenfunction expansion coefficients from part (a) which you left in inner product form
2. Find the travelling wave solution of the regularized long wave equation U + uz + huur - Uunt = 0, in the form uz,t) = w(z), with z = I-ct, with c a constant, where u and its derivatives vanish as too for allt and c is a constant.
Find a basis for the following plane in R3 1 + y - 2z = 0 First, solve the system, then assign parameters s and t to the free variables in this order), and write the solution in vector form as su + tv. Below, enter the components of the vectors u - (un, uz, uz)and v = (1, 0, vy)". ty and U-
1) (15 marks) Consider the following PDHE Uz(0, t) = 0, u(5,t)=1, t>0 u(x, 0)- 20 exp(-2), 0<x<!5 (a) Solve using separation of variables. You may leave the eigenfunction expansion coef (b) Plot the solution at t-1,3,5 and 30, along with the initial condition and steady state ficients in inner product form. solution, using 15 terms in your truncated expansion. You may use mupad to evaluate the eigenfunction expansion coefficients from part (a) which you left in inner product form...
1) (15 marks) Consider the following PDHE Uz(0, t) = 0, u(5,t)=1, t>0 u(x, 0)- 20 exp(-2), 0<x<!5 (a) Solve using separation of variables. You may leave the eigenfunction expansion coef (b) Plot the solution at t-1,3,5 and 30, along with the initial condition and steady state ficients in inner product form. solution, using 15 terms in your truncated expansion. You may use mupad to evaluate the eigenfunction expansion coefficients from part (a) which you left in inner product form...