Show that the wafunctions sin "/C and cos "2* are orthogonal over the interval 0sxsa. n...
1. Expand the following functions in terms of the orthogonal basis {1, sin 2nr. cos 2n on the interval (0, 1): n E Z, n > 0} 2. Expand the functions in problem i în terms of the basis {sin n z n є z,n > 0} on the interval (0, 1). 1. Expand the following functions in terms of the orthogonal basis {1, sin 2nr. cos 2n on the interval (0, 1): n E Z, n > 0} 2....
In questions 1-8, find the limit of the sequence. sin n cos n 2. 37 /n sin n 3. 4. cos rn 5. /n sin n o cos n n! 9. If c is a positive real number and lan) is a sequence such that for all integer n > 0, prove that limn →00 (an)/n-0. 10. If a > 0, prove that limn+ (sin n)/n 0 Theorem 6.9 Suppose that the sequence lan) is monotonic. Then ta, only if...
Determine whether the given matrix is orthogonal. If it is, find its inverse. cos sin cos sin A = [ cose sin e sin e 0 cos e - cos ]
For the set of functions {sin(x),sin(2x),sin(3x),...}=sin(nx)}, n=1,2,3,... on the interval [0,pi]. Show that the set of functions is orthogonal on [0,pi].
Solve the equation for exact solutions over the interval [0, 2π). cos x = sin x
Vector / Complex Calculus 6. Calculate the integrals of cos(z)/z" and sin(x)/2" over the unit circle, where n is a positive integer.
2.13 Probiems 73 216 Prove de Moivre's formula (cos θ + j sin θ)" = cos(n θ) + j sin(ne). where n is an integer 217 Use de Moivre's formula, given by Eq. (2.80), to develop the rectangular and polar form representations of the (2.80) following complex numbers: 2.18 Show that 219 Determine the roots of the following second-degree polynomials (a) (G)-2s2 -4s + 10, 2.13 Probiems 73 216 Prove de Moivre's formula (cos θ + j sin θ)" =...
Time series analysis 1. (a) Use Euler's identity e¡θ-cos θ + i sin θ to prove that sin θ=-(eiO , 2i (b) Use the identities above and the formula for the sum of a geometric series to prove that if n is an integer and j E 1,2,... ,n} then TL TL sin-(2Ttj/n)- n/2 so long as J关[m/2, where Laj is the greatest integer that is smaller than or equal to x (c) Show that when j 0 we have...
a) Show that the n=1 and n=2 states of the particle-in-a-box are orthogonal. b) Show that the n= 0 and n= 1 states of the harmonic oscillator are orthogonal. c) Show that the 1s and 2s states of the hydrogen atom are orthogonal.
11. Show that the following pairs of wave functions are orthogonal over the indicated range. (a) e- ar' and (2ax2-1)e-2ar',-ος x o where α is a constant that is greater than zero. (b) (2ř)e-rrza° and-e-riza, cos θ over the interval OS r so,oses, os