Problem 635. Angle between Two Vectors

Solution 1933187

Submitted on 12 Sep 2019 by Binh Nguyen Cong

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Test	Status	Code Input and Output
1	Pass	a = [1 0]; b = [0 1]; expected=pi/2; theta = solve_included_vector_angle(a,b) assert(0.99expected-.001<=theta && theta<=expected1.01+.001 ) % Is there a better way to allow tolerances? theta = 1.5708
2	Pass	a = [1 1 0]; b = [1 1 2^0.5]; expected=pi/4; theta = solve_included_vector_angle(a,b) assert(0.99expected-.001<=theta && theta<=expected1.01+.001 ) theta = 0.7854
3	Pass	a = [2 2]; b = [0 1]; expected=pi/4; theta = solve_included_vector_angle(a,b) assert(0.99expected-.001<=theta && theta<=expected1.01+.001 ) theta = 0.7854
4	Pass	a = [-1 1]; b = [4 0]; expected=0.75pi; theta = solve_included_vector_angle(a,b) assert(0.99expected-.001<=theta && theta<=expected*1.01+.001 ) theta = 2.3562
5	Pass	a = [-1 2 3]; b = [1 2 4]; expected=0.161pi; theta = solve_included_vector_angle(a,b) assert(0.99expected-.001<=theta && theta<=expected*1.01+.001 ) theta = 0.5057