Problem 450. What is the distance from point P(x,y) to the line Ax + By + C = 0?

Solution 476983

Submitted on 23 Jul 2014 by Abdullah Caliskan

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Test	Status	Code Input and Output
1	Pass	%% test 1 x=2; y=2; A=2; B=2; C=-4; y_correct = 1.4142; assert(abs(normalLen(x,y,A,B,C)-y_correct)<=1e-4) P = 1.4142 ans = []
2	Pass	%% test 2 x=3; y=4; A=3; B=4; C=5; y_correct = 6; assert(normalLen(x,y,A,B,C)-y_correct==0) P = 6 ans = []
3	Pass	%% test 3 x=4; y=5; A=3; B=4; C=5; y_correct = 7.4; display(normalLen(x,y,A,B,C)) assert(abs(normalLen(x,y,A,B,C)-y_correct)<1e-1) P = 7.4000 ans = [] ans = 7.4000 P = 7.4000 ans = []
4	Pass	%% test 4 x=0;y=12345;A=0;B=1;C=0; y_correct = 12345; display(normalLen(x,y,A,B,C)) assert(abs(normalLen(x,y,A,B,C)-y_correct)==0) P = 12345 ans = [] ans = 12345 P = 12345 ans = []
5	Pass	%% test 5 x=0;y=-12345;A=0;B=1;C=0; y_correct = 12345; display(normalLen(x,y,A,B,C)) assert(abs(normalLen(x,y,A,B,C)-y_correct)==0) P = 12345 ans = [] ans = 12345 P = 12345 ans = []