Find parameterisations x(t), y(t), t є 1 (a) (b) (c) for each of the following curves: 2. The straight line from 4+2i to 3+5i; The circle of radius 2 centered at 3-i oriented counter-clockwise; The graph of the cosine function over the interval [π/4,2n Find parameterisations x(t), y(t), t є 1 (a) (b) (c) for each of the following curves: 2. The straight line from 4+2i to 3+5i; The circle of radius 2 centered at 3-i oriented counter-clockwise; The graph...
2.* Let x -5- 8i and y 10-5i. Use MATLAB to compute the following expressions. Hand-check the answers. a. The magnitude and angle of y. b. The magnitude and angle of 3.* Use MATLAB to find the angles corresponding to the following coordinates. Hand-check the answers. a. (x, y) (5, 8) b. (x,y)(-5, 8) c. (x) (5,-8) d. (x,y)=(-5,-8) 4. For several values of x, use MATLAB to confirm that sinh x (e-e )/2
Please answer part a and b :) Which of the following vector fields are conservative? (i) F(x, y) = (9y8 +3) i + (8x8y' +7) j (ii) F(x,y) = (8ye8x + cos 3ji + (e8x + 3x sin 3jj (iii) F(x,y)-7y2e7xyİ + (7 +xy) e7xyj (A) all of them (B) (iii) only (C) (i) and (ii) only (D) (i) and (iii) only (E) none of them (F) (ii) and (iii) only (G) (ii) only (H) (i) only st Save Submit...
I need to answer a, c, and d 1. Find the limit at xo if it exists. (a) f(x, y) = xy/(x2 + y2), Xo = el + e2 (b) f(x, y) = xy/(x2 + y2), Xo = (0,0). (c) f(x) = (1-cos x)/x2, X,-0. [Hint: limx-o (sin x)/x = 1 .] (d) f(x)-|x-2le, + lx + 2le_, xo = 3. (e) f(x, y) = ye, + (xy)리[(xy)2 + (x-y)2je2, Xo = (0,0). At which points is each of these...
1.Find fxy(x,y) if f(x,y)=(x^5+y^4)^6. 2. Find Cxy(x,y) if C(x,y)=6x^2-3xy-7y^2+2x-4y-3 Find (,,(Xy) if f(x,y)= (x + y) fxy(x,y) = Find Cxy(x,y) if C(x,y) = 6x² + 3xy – 7y2 + 2x - 4y - 3. Cxy(x,y)=0
1. Find the maxima of the following functions. (a) f(x)-2-4. )2 (c) f (z,y)2+3. (d) f (x,y) = xy-x2-y2 + 9y.
steps please 1.b given zz = -5 +4i, and zz = 33 + 5i. Find
Suppose X and Y are jointly distributed with density \ a. Find c. (b) Find the marginal distribution of X and Y. (c) Find P(X > 2). (d) Find (E[X2 ]). (e) Find the conditional distribution of Y, given that X = 1. (f) E[X], E[Y], E[XY], Cov(X,Y) and ρXY f(x,y)ce-(=/2+y/4) 0<y<I < 0 otherwise 0 f(x,y)ce-(=/2+y/4) 0
Suppose (X,Y) follows a trinomial distribution (5, 1/3, 1/4). a. Find E(X) b. Find E(Y) c. Find Var(X) d. Find Var(Y) e. Find Cov (X,Y) f. Find p (correlation coefficient)
Let A = 3i + 4j and B = 5i ¡ 6j. (i) Find A + B, A ¡ B, 2A + 3B, and C such that A + B + C = 0: (ii) Find A, the length of A and the angle it makes with the x-axis.