iii. If the vertices of a triangle, in counterclockwise order are (x1.yı), (X2,Y2) and (x3 ,Y3),...
x1 X2 X3 Atnangle has vertices (x1y1)(X2 y2) and X3 Уз) The area of the triangle IS given by the absolute value of D where D: y1 y2 y3 Use this formula to find the area of a triangle with vertices (6,8), (8,2), and (9,6) The area is square unit(s) Enter your answer in the answer box O Type here to search
matlab 3. Filename: area2d.m The area of a triangle whose three vertices are points (x1, yı), (X2, y2), and (x3, y3) can be found using the absolute value of the following equation: A = 3 [x: (– yz) – x2\1 – yz) + x3V1 – Yz)] Write a MATLAB function area2d that calculates the area of a triangle using the following syntax: A = area2d (x,y) where x and y are vectors such that x = [X1, X2, X3] and...
3) Let (x, y), (X2, y2), and (X3. Y3) be three points in R2 with X1 < x2 < X3. Suppose that y = ax + by + c is a parabola passing through the three points (x1, yı), (x2, y), and (x3, Y3). We have that a, b, and c must satisfy i = ax + bx + C V2 = ax + bx2 + c y3 = ax} + bx3 + c Let D = x X2 1....
= = 3, Cov(X1, X2) = 2, Cov(X2, X3) = -2, Let Var(X1) = Var(X3) = 2, Var(X2) Cov(X1, X3) = -1. i) Suppose Y1 = X1 - X2. Find Var(Y1). ii) Suppose Y2 = X1 – 2X2 – X3. Find Var(Y2) and Cov(Yı, Y2). Assuming that (X1, X2, X3) are multivariate normal, with mean 0 and covariances as specified above, find the joint density function fxı,Y,(y1, y2). iii) Suppose Y3 = X1 + X2 + X3. Compute the covariance...
I need the solution of this question asap 3, Cov(X1, X2) = 2, Cov(X2, X3) = -2, 5. Let Var(x1) = Var(X3) = 2, Var(X2) Cov(X1, X3) = -1. i) Suppose Y1 = X1 - X2. Find Var(Y1). ii) Suppose Y2 = X1 – 2X2 – X3. Find Var(Y2) and Cov(Y1, Y2). Assuming that (X1, X2, X3) are multivariate normal, with mean 0 and covariances as specified above, find the joint density function fyy, y,(91, y2). iii) Suppose Y3 =...
(a) Show that the points (x1, yı), (X2, y2), ..., (xn, yn) are collinear in R2 if and only if 1 X1 yi X2 Y3 rank < 2 1 Xn yn ] (b) What is the generalization of part (a) to points (x1, Yı, zı), (x2, y2, 22), ...,(Xn, Yn, zn) in R'. Explain.
с раиси от к. Show that the function that takes ((X1, X2, X3), (y1, y2, y3)) E to xi yi + x3y3 is not an inner product on R. ((X1, X2, X3), (y1, y2, y3)) E R3 x R3 von SE
Let C be a triangle in the x-y plane with vertices (x1,y1), (x2y2) and (x3,y3) arranged so that C is positively-oriented. Let C be a triangle in the xy-plane with vertices (x,y), (z2,p), and (z3,U3) arranged so that C is positively-oriented. a.) Sketch such a triangle and indicate its orientation. b.) Apply Green's Theorem to compute the area of the triangle as a (sum of) path integral(s) around the boundary. Get a formula for area in terms of the coordinates...
(a) If C is the line segment connecting the point (X1,Y1) to the point (X2, y2), find the following. Jexdy-y x dy - y dx O A = (b) If the vertices of a polygon, in counterclockwise order, are (X1,Y1), (x2, y2), ..., (Xn, Yn), find the area of the polygon. O A = 3 [(x112 - – *287) + (x3X3 – x3y2) + ... + (*n – 1'n – XnYn – 1) + (xn/1 – xqYn] = {[(x112 +...
Write a program that prompts the user to enter three points (x1, y1), (x2, y2), (x3, y3) of a triangle and displays its area. The formula for computing the distance of two points (x1, y1) and (x2, y2) is d = Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1)); or d = Math.pow((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1), 0.5); The formula for computing the...