33 lines
1.0 KiB
Matlab
33 lines
1.0 KiB
Matlab
function sines = calculateSines(times, amplitudes, frequencies)
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% Function calculates sinewaves with all combinations of
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% given amplitudes and frequencies.
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%
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% sines = calculateSines(times, amplitudes, frequencies)
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%
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% Arguments:
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% times : vector of times as which the sines should be computed.
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% amplitudes : vector with amplitudes.
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% frequencies: vector with frequencies.
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%
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% Returns:
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% a 3-D Matrix of sinewaves, 2nd dimension represents
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% the amplitudes, 3rd the frequencies.
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sines = zeros(length(times), length(amplitudes), length(frequencies));
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for i = 1:length(amplitudes)
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sines(:,i,:) = sinesWithFrequencies(times, amplitudes(i), frequencies);
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end
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end
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function sines = sinesWithFrequencies(times, amplitude, frequencies)
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sines = zeros(length(times), length(frequencies));
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for i = 1:length(frequencies)
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sines(:,i) = sineWave(times, amplitude, frequencies(i));
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end
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end
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function sine = sineWave(times, amplitude, frequency)
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sine = sin(2.0*pi.*times*frequency) .* amplitude;
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end
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