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Problem (4) Let f(z) denote the function e a f(z) 1 - z Compute f (z) dz where y is any contour that encloses the origi...
15. Let F(z,y)- F dr where C is any positively-oriented Jordan curve that encloses the origin Evaluate 15. Let F(z,y)- F dr where C is any positively-oriented Jordan curve that encloses the o...
15. Let F(z,y)- F dr where C is any positively-oriented Jordan curve that encloses the origin Evaluate
15. Let F(z,y)- F dr where C is any positively-oriented Jordan curve that encloses the origin Evaluate
Problem 7. (20 points) We consider the function tanh(z) sinh(z) tanh(z)=cosh(z) where , For any integer...
Problem 7. (20 points) We consider the function tanh(z) sinh(z) tanh(z)=cosh(z) where , For any integer 0, we denote by Qe the positively oriented square whose edges lie along the lines z-t(k+1) π and y = ± (k+)π -(km 4p. (a) Show that for any z z + iy e C, |cosh(z)12-sinh2(x) + cos2(y). 2p (b) Recall that tanh is analytic at the origin and that tanh () 1 - tanh2(). Compute the tanh(z) limit l := lim (Problem 7...
Problem 5: Let f(z) = zi = eiLog?, [2] > 0, -T < Arg z <a...
Problem 5: Let f(z) = zi = eiLog?, [2] > 0, -T < Arg z <a denote the principal branch of the function z', and let C be any contour from –2 to 1 that, except for its endpoints, lies above the real axis. (a) Find an antiderivative of the function f(z); (b) Compute the integralf(z)dz; SOLUTION:
1. Let P(x) = 22020 – 3:2019 + 22 -3. (b) Compute the contour integral Scof(z)dz...
1. Let P(x) = 22020 – 3:2019 + 22 -3. (b) Compute the contour integral Scof(z)dz with f(z) := 2 fled with f(-) -- 2021 – 222020+2 P2) +, where C (0) is the circle 121 = 8 with positive orientation.
(1) Let F denote the inverse square vector field (axr, y, z) F= (Note that ||F...
(1) Let F denote the inverse square vector field (axr, y, z) F= (Note that ||F 1/r2.) The domain of F is R3\{(0, 0, 0)} where r = the chain rule (a) Verify that Hint: first show that then use (b) Show that div(F 0. (c) Suppose that S is a closed surface in R3 that does not enclose the origin. Show that the flux of F through S is zero. Hint: since the interior of S does not contain...
rty. I 5. [16 pointsj Consider the function f(x, y,z) Let S denote the level surface consisting of all points in space such that f(,y,z)-4, and let P- (2,-2,1), which is on S. a) Calculate Vf. b) Det...
rty. I 5. [16 pointsj Consider the function f(x, y,z) Let S denote the level surface consisting of all points in space such that f(,y,z)-4, and let P- (2,-2,1), which is on S. a) Calculate Vf. b) Determine the maximum value of Daf(P), where u is any unit vector at P c) Find the angle between Vfp and PO, where O denotes the origin. d) Find an equation for the tangent plane to S at P
rty. I 5. [16...
8 pts Question 3 Consider the function f(x,y, 2)(x 1)3(y2)3 ( 1)2(y2)2(z 3)2 (a) Compute the...
8 pts Question 3 Consider the function f(x,y, 2)(x 1)3(y2)3 ( 1)2(y2)2(z 3)2 (a) Compute the increment Af if (r,y, z) changes from (1,2,3 (b) Compute the differential df for the corresponding change in position. What does (2,3,4) to this say about the point (1, 2,3)? ( 13y2)3 ( 1)2(y 2)2(z 3)2 with C (c) Consider the contour C = a constant. Use implicit differentiation to compute dz/Ox. Your answer should be a function of z. (d) Find the unit...
1. (20 points) Let C be any contour from z = -i to z = i,...
1. (20 points) Let C be any contour from z = -i to z = i, which has positive real part except at its end points. Then, consider the following branch of the power function zi+l; f(3) = 2l+i (1=> 0, < arg z < Now, evaluate the integral Sc f(z)dz as follows: (a) (5 points) First, explain why f(z) does not have an antiderivative on C, but why the integral can still be evaluated. (b) (5 points) Then, find...
A contour map for a function z=f(x, y) is given: Answer the following questions: Question 1....
A contour map for a function z=f(x, y) is given:
Answer the following questions:
Question 1. A contour map for a function z S(z,y) is given: -2 k-1 k-1- k-2 Answer the following questions. (a) (1 point) What is f(-1,1)? (b) (2 points) Describe the set of all points (r, y) such that f(z,y) = 0. Which of the following graphs best represents the graph of this function? (c) (1 point) B. A. D.
Question 1. A contour map for...
Problem 4 Let S denote the surface in R3 defined by z (y +2)1, 1 z<oo, and E be the region bounded by S and z 1. Sho...
Problem 4 Let S denote the surface in R3 defined by z (y +2)1, 1 z<oo, and E be the region bounded by S and z 1. Show that you can fill E with paint but you cannot paint its surface
Problem 4 Let S denote the surface in R3 defined by z (y +2)1, 1 z
15. Let F(z,y)- F dr where C is any positively-oriented Jordan curve that encloses the origin Evaluate
15. Let F(z,y)- F dr where C is any positively-oriented Jordan curve that encloses the origin Evaluate
Problem 7. (20 points) We consider the function tanh(z) sinh(z) tanh(z)=cosh(z) where , For any integer 0, we denote by Qe the positively oriented square whose edges lie along the lines z-t(k+1) π and y = ± (k+)π -(km 4p. (a) Show that for any z z + iy e C, |cosh(z)12-sinh2(x) + cos2(y). 2p (b) Recall that tanh is analytic at the origin and that tanh () 1 - tanh2(). Compute the tanh(z) limit l := lim (Problem 7...
Problem 5: Let f(z) = zi = eiLog?, [2] > 0, -T < Arg z <a denote the principal branch of the function z', and let C be any contour from –2 to 1 that, except for its endpoints, lies above the real axis. (a) Find an antiderivative of the function f(z); (b) Compute the integralf(z)dz; SOLUTION:
1. Let P(x) = 22020 – 3:2019 + 22 -3. (b) Compute the contour integral Scof(z)dz with f(z) := 2 fled with f(-) -- 2021 – 222020+2 P2) +, where C (0) is the circle 121 = 8 with positive orientation.
(1) Let F denote the inverse square vector field (axr, y, z) F= (Note that ||F 1/r2.) The domain of F is R3\{(0, 0, 0)} where r = the chain rule (a) Verify that Hint: first show that then use (b) Show that div(F 0. (c) Suppose that S is a closed surface in R3 that does not enclose the origin. Show that the flux of F through S is zero. Hint: since the interior of S does not contain...
rty. I 5. [16 pointsj Consider the function f(x, y,z) Let S denote the level surface consisting of all points in space such that f(,y,z)-4, and let P- (2,-2,1), which is on S. a) Calculate Vf. b) Determine the maximum value of Daf(P), where u is any unit vector at P c) Find the angle between Vfp and PO, where O denotes the origin. d) Find an equation for the tangent plane to S at P
rty. I 5. [16...
8 pts Question 3 Consider the function f(x,y, 2)(x 1)3(y2)3 ( 1)2(y2)2(z 3)2 (a) Compute the increment Af if (r,y, z) changes from (1,2,3 (b) Compute the differential df for the corresponding change in position. What does (2,3,4) to this say about the point (1, 2,3)? ( 13y2)3 ( 1)2(y 2)2(z 3)2 with C (c) Consider the contour C = a constant. Use implicit differentiation to compute dz/Ox. Your answer should be a function of z. (d) Find the unit...
1. (20 points) Let C be any contour from z = -i to z = i, which has positive real part except at its end points. Then, consider the following branch of the power function zi+l; f(3) = 2l+i (1=> 0, < arg z < Now, evaluate the integral Sc f(z)dz as follows: (a) (5 points) First, explain why f(z) does not have an antiderivative on C, but why the integral can still be evaluated. (b) (5 points) Then, find...
A contour map for a function z=f(x, y) is given:
Answer the following questions:
Question 1. A contour map for a function z S(z,y) is given: -2 k-1 k-1- k-2 Answer the following questions. (a) (1 point) What is f(-1,1)? (b) (2 points) Describe the set of all points (r, y) such that f(z,y) = 0. Which of the following graphs best represents the graph of this function? (c) (1 point) B. A. D.
Question 1. A contour map for...
Problem 4 Let S denote the surface in R3 defined by z (y +2)1, 1 z<oo, and E be the region bounded by S and z 1. Show that you can fill E with paint but you cannot paint its surface
Problem 4 Let S denote the surface in R3 defined by z (y +2)1, 1 z
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