Problem 381. Angle between two vectors

Solution 48454

Submitted on 22 Feb 2012 by Gaik Tamazian

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Test	Status	Code Input and Output
1	Pass	%% u = [0.5 0.5 0];; v = [1 0 0]; angle_in_degrees = vector2angle(u,v) assert(strcmp(num2str(angle_in_degrees),'45')) angle_in_degrees = 45.0000
2	Pass	%% first new test added 08-June-2012 u = [0 0 1]; v = [1 0 0]; angle_in_degrees = vector2angle(u,v) assert(strcmp(num2str(angle_in_degrees),'90')) angle_in_degrees = 90
3	Pass	%% second new test u = [0 0.8 1]; v = [1 0.3 0]; angle_in_degrees = vector2angle(u,v) assert(strcmp(num2str(round(angle_in_degrees)),'80')) angle_in_degrees = 79.6591

Test

Status

Code Input and Output

Pass

%% u = [0.5 0.5 0];; v = [1 0 0]; angle_in_degrees = vector2angle(u,v) assert(strcmp(num2str(angle_in_degrees),'45'))

angle_in_degrees = 45.0000

Pass

%% first new test added 08-June-2012 u = [0 0 1]; v = [1 0 0]; angle_in_degrees = vector2angle(u,v) assert(strcmp(num2str(angle_in_degrees),'90'))

angle_in_degrees = 90

Pass

%% second new test u = [0 0.8 1]; v = [1 0.3 0]; angle_in_degrees = vector2angle(u,v) assert(strcmp(num2str(round(angle_in_degrees)),'80'))

angle_in_degrees = 79.6591

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