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Update app.py
Browse files
app.py
CHANGED
@@ -712,10 +712,11 @@ def nutri_call():
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from tabulate import tabulate
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import numpy as np
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# Глобальные параметры
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TOTAL_NITROGEN = 120.0 # Общее количество азота
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NO3_RATIO = 8.25
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NH4_RATIO = 1.0 # Соотношение NH4:NO3
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VOLUME_LITERS = 100 # Объем раствора
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@@ -743,244 +744,71 @@ EC_COEFFICIENTS = {
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'N (NO3-)': 0.0017, 'N (NH4+)': 0.0019
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}
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nutrients_stencil =
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"N (NO3-)", "N (NH4+)", "P", "K", "Mg", "Ca", "S"
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]
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class Composition:
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def __init__(self, name='', vector=None):
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self.name = name
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if vector is None:
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self.vector = np.zeros(len(nutrients_stencil))
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else:
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if len(vector) != len(nutrients_stencil):
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raise ValueError(f"Vector length ({len(vector)}) does not match nutrients stencil length ({len(nutrients_stencil)}).")
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self.vector = np.array(vector)
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@classmethod
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def from_dict(cls, composition_dict):
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if not composition_dict:
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raise ValueError("Empty composition dictionary provided.")
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name, nutrients_dict = tuple(composition_dict.items())[0]
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vector = np.zeros(len(nutrients_stencil))
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for i, nutrient in enumerate(nutrients_stencil):
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if nutrient in nutrients_dict:
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vector[i] = nutrients_dict[nutrient]
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return cls(name, vector)
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def __add__(self, other):
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if not isinstance(other, Composition):
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raise TypeError("Can only add Composition objects.")
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name = f'{self.name} + {other.name}'
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vector = self.vector + other.vector
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return Composition(name, vector)
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def table(self, sparse=True, ref=None, tablefmt='simple'):
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description = f'Composition: {self.name}'
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nutrients = np.array(nutrients_stencil)
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vector = self.vector
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if ref is not None:
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if not isinstance(ref, Composition):
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raise TypeError("Reference must be a Composition object.")
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vector_ref = ref.vector
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else:
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vector_ref = np.zeros(len(nutrients_stencil))
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if sparse:
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mask_nonzero = (vector != 0) | (vector_ref != 0)
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nutrients = nutrients[mask_nonzero]
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vector = vector[mask_nonzero]
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vector_ref = vector_ref[mask_nonzero]
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table_dict = {
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'Nutrient': nutrients,
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'Ratio': vector,
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'Amount mg/kg': 10**6 * vector,
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}
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if ref is not None:
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description += f'\nReference: {ref.name}'
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table_dict['Diff mg/kg'] = 10**6 * (vector - vector_ref)
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table = tabulate(table_dict, headers='keys', tablefmt=tablefmt)
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return '\n\n'.join((description, table))
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class NutrientCalculator:
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def __init__(self
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self.volume =
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self.target_profile = BASE_PROFILE.copy()
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self.fertilizers =
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for name, content in NUTRIENT_CONTENT_IN_FERTILIZERS.items()
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}
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self.total_ec = 0.0
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self.best_solution = None
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self.min_difference = float('inf')
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self.max_recursion_depth = 5000 # Увеличиваем глубину поиска
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self.current_depth = 0
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# Расчёт азота
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total_parts = NO3_RATIO + NH4_RATIO
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self.target_profile['N (NO3-)'] = TOTAL_NITROGEN * (NO3_RATIO / total_parts)
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self.target_profile['N (NH4+)'] = TOTAL_NITROGEN * (NH4_RATIO / total_parts)
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# Целевой профиль как
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self.
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def calculate(self):
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try:
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self.
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except Exception as e:
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print(f"Ошибка при расчёте: {str(e)}")
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raise
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def
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self.current_depth += 1
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if self.current_depth > self.max_recursion_depth:
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return False
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# Текущий профиль как объект Composition
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current_composition = Composition('Current Profile', list(self.actual_profile.values()))
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current_diff = self._calculate_difference(current_composition)
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if current_diff < self.min_difference:
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self.min_difference = current_diff
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self.best_solution = {
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"results": self._copy_results(),
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"actual_profile": self.actual_profile.copy(),
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"total_ec": self.total_ec,
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"difference": current_diff
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}
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if current_diff < 1.0: # Допустимая погрешность
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return True
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# Пробуем добавлять удобрения с текущего индекса
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for i in range(fertilizer_index, len(self.fertilizers)):
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fert_name = list(self.fertilizers.keys())[i]
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fert_composition = self.fertilizers[fert_name]
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# Проверяем, можно ли применить удобрение
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if not self._can_apply_fertilizer(fert_composition):
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continue
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# Пробуем добавить удобрение с текущим шагом
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self._apply_fertilizer(fert_name, step)
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# Рекурсивно продолжаем поиск
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if self._backtrack_search(i, step):
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return True
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# Если не получилось - откатываемся
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self._remove_fertilizer(fert_name, step)
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# Уменьшаем шаг для более точного поиска
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if step > 0.1:
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if self._backtrack_search(i, step / 2):
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return True
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return False
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def _can_apply_fertilizer(self, fert_composition):
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"""Проверяет, можно ли применить удобрение без перебора"""
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for element, content in zip(nutrients_stencil, fert_composition.vector):
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added_ppm = (1 * content * 1000) / self.volume
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if self.actual_profile[element] + added_ppm > self.target_profile[element] * 1.03: # Разрешаем перерасход на 3%
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return False
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return True
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def _apply_fertilizer(self, fert_name, amount):
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"""Добавляет указанное количество удобрения"""
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fert_composition = self.fertilizers[fert_name]
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scaled_composition = Composition(fert_composition.name, fert_composition.vector * amount)
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if fert_name not in self.results:
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self.results[fert_name] = {
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'граммы': 0.0,
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'миллиграммы': 0,
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'вклад в EC': 0.0
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}
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self.results[fert_name]['граммы'] += amount
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self.results[fert_name]['миллиграммы'] += int(amount * 1000)
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for i, nutrient in enumerate(nutrients_stencil):
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added_ppm = scaled_composition.vector[i] * 1000 / self.volume
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self.actual_profile[nutrient] += added_ppm
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def _remove_fertilizer(self, fert_name, amount):
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"""Удаляет указанное количество удобрения"""
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fert_composition = self.fertilizers[fert_name]
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scaled_composition = Composition(fert_composition.name, fert_composition.vector * amount)
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if fert_name in self.results:
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self.results[fert_name]['граммы'] -= amount
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self.results[fert_name]['миллиграммы'] -= int(amount * 1000)
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for i, nutrient in enumerate(nutrients_stencil):
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removed_ppm = scaled_composition.vector[i] * 1000 / self.volume
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self.actual_profile[nutrient] -= removed_ppm
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if self.results[fert_name]['граммы'] <= 0.001:
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del self.results[fert_name]
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def _calculate_difference(self, current_composition):
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"""Вычисляет общее отклонение от целевого профиля с учетом весов"""
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diff_vector = self.target_composition.vector - current_composition.vector
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weights = np.array([1.5 if el in ['K', 'S', 'Mg'] else 1.0 for el in nutrients_stencil])
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return np.sum(np.abs(diff_vector) * weights)
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def _copy_results(self):
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"""Создаёт глубокую копию результатов"""
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return {
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fert_name: {
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'граммы': data['граммы'],
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'миллиграммы': data['миллиграммы'],
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'вклад в EC': data['вклад в EC']
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}
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for fert_name, data in self.results.items()
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}
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def _post_optimize(self):
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"""Попытка точного добора после основного подбора"""
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for fert_name, fert in self.fertilizers.items():
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for i, nutrient in enumerate(nutrients_stencil):
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deficit = self.target_profile[nutrient] - self.actual_profile[nutrient]
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if deficit > 2.0 and fert.vector[i] > 0: # Если дефицит больше 2 ppm
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small_amount = deficit * self.volume / (fert.vector[i] * 1000)
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self._apply_fertilizer(fert_name, min(small_amount, 2.0)) # Не больше 2 г
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def generate_report(self):
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"""Генерация отчета с фактическими данными"""
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try:
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# Добавляем информацию о добавленных удобрениях
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fertilizer_report = "Фактически добавленные удобрения (в граммах):\n"
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for fert_name,
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grams
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if grams > 0: # Выводим только те удобрения, которые были добавлены
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fertilizer_report += f" - {fert_name}: {grams:.2f} г\n"
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return fertilizer_report
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except Exception as e:
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print(f"Ошибка при выводе отчёта: {str(e)}")
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raise
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if __name__ == "__main__":
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try:
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calculator = NutrientCalculator(
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if
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print(calculator.generate_report())
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else:
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print("Решение не найдено.")
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except Exception as e:
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from tabulate import tabulate
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import numpy as np
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import numpy as np
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# Глобальные параметры
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TOTAL_NITROGEN = 120.0 # Общее количество азота
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NO3_RATIO = 8.25 # Соотношение NO3:NH4
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NH4_RATIO = 1.0 # Соотношение NH4:NO3
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VOLUME_LITERS = 100 # Объем раствора
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'N (NO3-)': 0.0017, 'N (NH4+)': 0.0019
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}
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nutrients_stencil = list(BASE_PROFILE.keys())
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class NutrientCalculator:
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def __init__(self):
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self.volume = VOLUME_LITERS
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self.target_profile = BASE_PROFILE.copy()
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self.fertilizers = NUTRIENT_CONTENT_IN_FERTILIZERS
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self.nutrients_stencil = nutrients_stencil
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# Расчёт азота
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total_parts = NO3_RATIO + NH4_RATIO
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self.target_profile['N (NO3-)'] = TOTAL_NITROGEN * (NO3_RATIO / total_parts)
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self.target_profile['N (NH4+)'] = TOTAL_NITROGEN * (NH4_RATIO / total_parts)
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# Целевой профиль как вектор
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self.target_vector = np.array([self.target_profile[nutrient] for nutrient in self.nutrients_stencil])
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def calculate(self):
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try:
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# П��строение матрицы A (содержание элементов в удобрениях)
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fertilizer_names = list(self.fertilizers.keys())
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A = np.zeros((len(self.nutrients_stencil), len(fertilizer_names)))
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for i, nutrient in enumerate(self.nutrients_stencil):
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for j, fert_name in enumerate(fertilizer_names):
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if nutrient in self.fertilizers[fert_name]:
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A[i, j] = self.fertilizers[fert_name][nutrient]
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# Формирование вектора B (целевые значения в ppm)
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B = self.target_vector * self.volume / 1000 # Перевод ppm в граммы
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# Решение системы уравнений A @ X = B
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X, residuals, rank, s = np.linalg.lstsq(A, B, rcond=None)
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# Формирование результата
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results = {}
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for i, fert_name in enumerate(fertilizer_names):
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if X[i] > 0:
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results[fert_name] = X[i]
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return results
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except Exception as e:
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print(f"Ошибка при расчёте: {str(e)}")
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raise
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def generate_report(self, results):
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"""Генерация отчета с фактическими данными"""
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try:
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fertilizer_report = "Фактически добавленные удобрения (в граммах):\n"
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for fert_name, grams in results.items():
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fertilizer_report += f" - {fert_name}: {grams:.2f} г\n"
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return fertilizer_report
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except Exception as e:
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print(f"Ошибка при выводе отчёта: {str(e)}")
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raise
|
804 |
+
|
805 |
+
|
806 |
if __name__ == "__main__":
|
807 |
try:
|
808 |
+
calculator = NutrientCalculator()
|
809 |
+
results = calculator.calculate()
|
810 |
+
if results:
|
811 |
+
print(calculator.generate_report(results))
|
812 |
else:
|
813 |
print("Решение не найдено.")
|
814 |
except Exception as e:
|