Cody

Problem 243. Four quadrant inverse tangent function.

Solution 573103

Submitted on 3 Feb 2015 by bkzcnldw
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Test Suite

Test Status Code Input and Output
1   Pass
%% X=-4; Y=3; y_correct=2*atand(Y./(sqrt(X.^2+Y.^2)+X)); assert(isequal(atanquad(Y,X),y_correct))

2   Pass
%% X=-10; Y=-10; y_correct=2*atand(Y./(sqrt(X.^2+Y.^2)+X)); assert(isequal(atanquad(Y,X),y_correct))

3   Pass
%% X=-10:3:10; Y=-10:3:10; y_correct=2*atand(Y./(sqrt(X.^2+Y.^2)+X)); assert(isequal(atanquad(Y,X),y_correct))

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