Cody

# Problem 44934. Plot Damped Sinusoid

Solution 2025909

Submitted on 18 Nov 2019 at 4:03
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### Test Suite

Test Status Code Input and Output
1   Fail
clf; t = linspace(0,15,400); y = exp(-0.5*t).*cos(2*pi.*t); m = plot_cos(y, t); f = gcf; assert(isequal([f.Children.Children.Color], [1 0 0 0 0 1])) assert(strcmp([f.Children.Children.LineStyle], 'none--')) assert(strcmp([f.Children.Children.Marker],'*none')) assert(isequal([f.Children.Children.YData],[m, y]))

a = 0.4887 b = -0.7812 m = 0.4887 -0.7812

Unrecognized method, property, or field 'Children' for class 'matlab.graphics.GraphicsPlaceholder'. Error in Test1 (line 6) assert(isequal([f.Children.Children.Color], [1 0 0 0 0 1]))

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2   Fail
clf; t = linspace(2,5,100); y = exp(-0.5*t).*cos(2*pi.*t); m = plot_cos(y, t); f = gcf; assert(isequal([f.Children.Children.Color], [1 0 0 0 0 1])) assert(strcmp([f.Children.Children.LineStyle], 'none--')) assert(strcmp([f.Children.Children.Marker],'*none')) assert(isequal([f.Children.Children.YData],[m, y]))

a = 2.4848 b = -0.2874 m = 2.4848 -0.2874

Unrecognized method, property, or field 'Children' for class 'matlab.graphics.GraphicsPlaceholder'. Error in Test2 (line 6) assert(isequal([f.Children.Children.Color], [1 0 0 0 0 1]))

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