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""""Расчёт выхода y(t) для устройства задержки""" +... output=[] +... for i in range(len(signal)): +... output.append(round(signal[i]+T,2)) # Сигнал на выходе - сигнал на входе + T, с округлением до двух знаков +... return output +... +... +>>> x=[1,0.5,3.6,4.5,1,2,0.5] # Входной сигнал +>>> y= delay_signal (x, 0.2) +>>> y +[1.2, 0.7, 3.8, 4.7, 1.2, 2.2, 0.7] +``` + + + ## 2. +```py +>>> import random +>>> import matplotlib.pyplot as plt +>>> def histogram (sample, number): +... min_1=min(sample) +... max_1=max(sample) +... bins=(max_1-min_1)/number # Ширина одного интервала +... rows = [0]*number # Создание списка для подсчёта элементов в каждом интервале +... intervals = [] # Список для хранения границ интервалов +... for i in range(number): +... lower = min_1 + i * bins +... upper = min_1 + (i+1) * bins +... intervals.append((lower, upper)) +... +... for x in sample: +... i = int((x-min_1)/bins) # Вычисление номера интервала для текущего элемента +... if i == number: +... i=number-1 +... rows [i] +=1 +... print("Границы интервала | Число элементов") +... for i in range(number): +... lower, upper = intervals[i] +... print(lower, "-", upper, " |", rows[i]) +... plt.hist(sample, number) +... plt.xlabel('Значения выборки') +... plt.ylabel('Число элементов') +... plt.title('Гистограмма выборки') +... plt.show() +... return rows +... +>>> data = [random.gauss(1, 20) for _ in range(10)] +>>> histogram (data, 3) +Границы интервала | Число элементов +-23.534334630492655 - -11.561019750784087 | 3 +-11.561019750784087 - 0.4122951289244803 | 2 +0.4122951289244803 - 12.385610008633048 | 5 +[3, 2, 5] +``` +Гистограмма сохранена в файле Figure_2.png +![График] (Figure_2.png) + + ## 3. +```py +>>> linear_regression = lambda b1, b2, x: b1+b2 * x +>>> result = linear_regression (2,3,5) +>>> result +17 +``` + + +