Problem 1720. Do the lines intersect?

Solution 1242270

Submitted on 30 Jul 2017 by Yinghui Li

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Test	Status	Code Input and Output
1	Pass	a = [0,0; 1,1]; b = [0,1; 1,0]; tf_correct = true; assert(isequal(intersecting(a,b),tf_correct )) tf = logical 1
2	Pass	a = [0,0; 1,0]; b = [0,1; 1,1]; tf_correct = false; assert(isequal(intersecting(a,b),tf_correct ))
3	Pass	a = [0,0; 1,0]; b = [2,0; 3,0]; tf_correct = false; assert(isequal(intersecting(a,b),tf_correct ))
4	Pass	a = [4 3;6 8]; b = [3 7;6 9]; tf_correct = false; assert(isequal(intersecting(a,b),tf_correct ))
5	Pass	a = [6 2;6 9]; b = [7 6;4 5]; tf_correct = true; assert(isequal(intersecting(a,b),tf_correct )) tf = logical 1
6	Pass	a = [3 -3;-2 -2]; b = [-1 1;0 -4]; tf_correct = true; assert(isequal(intersecting(a,b),tf_correct )) tf = logical 1