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# 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 Suite

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 = []

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