32 lines
No EOL
689 B
Matlab
Executable file
32 lines
No EOL
689 B
Matlab
Executable file
function data = halfkernel(N, minx, r1, r2, noise, ratio)
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if nargin < 1
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N = 1000;
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end
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if mod(N,2) ~= 0
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N = N + 1;
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end
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if nargin < 2
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minx = -20;
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end
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if nargin < 3
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r1 = 20;
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end
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if nargin < 4
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r2 = 35;
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end
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if nargin < 5
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noise = 4;
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end
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if nargin < 6
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ratio = 0.6;
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end
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phi1 = rand(N/2,1) * pi;
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inner = [minx + r1 * sin(phi1) - .5 * noise + noise * rand(N/2,1) r1 * ratio * cos(phi1) - .5 * noise + noise * rand(N/2,1) ones(N/2,1)];
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phi2 = rand(N/2,1) * pi;
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outer = [minx + r2 * sin(phi2) - .5 * noise + noise * rand(N/2,1) r2 * ratio * cos(phi2) - .5 * noise + noise * rand(N/2,1) zeros(N/2,1)];
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data = [inner/4; outer/4];
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end |