lower_orange = np.array([11, 100, 100])

lower_red = np.array([0, 170, 160], dtype=np.uint8) upper_red = np.array([255, 210, 210], dtype=np.uint8)

lower_red = np.array([0, 170, 160], dtype=np.uint8) upper_red = np.array([255, 210, 210], dtype=np.uint8) 在这个例子中，lower_red表示颜色范围的下限，而upper_red表示颜色范围的上限。这两个数组...

lower_yellow = np.array([20, 100, 100]) upper_yellow = np.array([30, 255, 255])颜色范围是

lower_yellow = np.array([20, 100, 100])表示该颜色范围的下限，其中第一个参数20是色调的下限，第二个参数100是饱和度的下限，第三个参数100是明度的下限。 upper_yellow = np.array([30, 255, 255])表示该颜色...

class SVDRecommender: def init(self, k=50, ncv=None, tol=0, which='LM', v0=None, maxiter=None, return_singular_vectors=True, solver='arpack'): self.k = k self.ncv = ncv self.tol = tol self.which = which self.v0 = v0 self.maxiter = maxiter self.return_singular_vectors = return_singular_vectors self.solver = solver def svds(self, A): if self.which == 'LM': largest = True elif self.which == 'SM': largest = False else: raise ValueError("which must be either 'LM' or 'SM'.") if not (isinstance(A, LinearOperator) or isspmatrix(A) or is_pydata_spmatrix(A)): A = np.asarray(A) n, m = A.shape if self.k <= 0 or self.k >= min(n, m): raise ValueError("k must be between 1 and min(A.shape), k=%d" % self.k) if isinstance(A, LinearOperator): if n > m: X_dot = A.matvec X_matmat = A.matmat XH_dot = A.rmatvec XH_mat = A.rmatmat else: X_dot = A.rmatvec X_matmat = A.rmatmat XH_dot = A.matvec XH_mat = A.matmat dtype = getattr(A, 'dtype', None) if dtype is None: dtype = A.dot(np.zeros([m, 1])).dtype else: if n > m: X_dot = X_matmat = A.dot XH_dot = XH_mat = _herm(A).dot else: XH_dot = XH_mat = A.dot X_dot = X_matmat = _herm(A).dot def matvec_XH_X(x): return XH_dot(X_dot(x)) def matmat_XH_X(x): return XH_mat(X_matmat(x)) XH_X = LinearOperator(matvec=matvec_XH_X, dtype=A.dtype, matmat=matmat_XH_X, shape=(min(A.shape), min(A.shape))) #获得隐式定义的格拉米矩阵的低秩近似。 eigvals, eigvec = eigsh(XH_X, k=self.k, tol=self.tol ** 2, maxiter=self.maxiter, ncv=self.ncv, which=self.which, v0=self.v0) #格拉米矩阵有实非负特征值。 eigvals = np.maximum(eigvals.real, 0) #使用来自pinvh的小特征值的复数检测。 t = eigvec.dtype.char.lower() factor = {'f': 1E3, 'd': 1E6} cond = factor[t] * np.finfo(t).eps cutoff = cond * np.max(eigvals) #获得一个指示哪些本征对不是简并微小的掩码， #并为阈值奇异值创建一个重新排序数组。 above_cutoff = (eigvals > cutoff) nlarge = above_cutoff.sum() nsmall = self.k - nlarge slarge = np.sqrt(eigvals[above_cutoff]) s = np.zeros_like(eigvals) s[:nlarge] = slarge if not self.return_singular_vectors: return np.sort(s) if n > m: vlarge = eigvec[:, above_cutoff] ularge = X_matmat(vlarge) / slarge if self.return_singular_vectors != 'vh' else None vhlarge = _herm(vlarge) else: ularge = eigvec[:, above_cutoff] vhlarge = _herm(X_matmat(ularge) / slarge) if self.return_singular_vectors != 'u' else None u = _augmented_orthonormal_cols(ularge, nsmall) if ularge is not None else None vh = _augmented_orthonormal_rows(vhlarge, nsmall) if vhlarge is not None else None indexes_sorted = np.argsort(s) s = s[indexes_sorted] if u is not None: u = u[:, indexes_sorted] if vh is not None: vh = vh[indexes_sorted] return u, s, vh def _augmented_orthonormal_cols(U, n): if U.shape[0] <= n: return U Q, R = np.linalg.qr(U) return Q[:, :n] def _augmented_orthonormal_rows(V, n): if V.shape[1] <= n: return V Q, R = np.linalg.qr(V.T) return Q[:, :n].T def _herm(x): return np.conjugate(x.T) 将上述代码修改为使用LM，迭代器使用arpack

A = np.asarray(A) n, m = A.shape if self.k <= 0 or self.k >= min(n, m): raise ValueError("k must be between 1 and min(A.shape), k=%d" % self.k) if isinstance(A, LinearOperator): if n > m: X...

此代码import osimport numpy as npimport nibabel as nibfrom PIL import Image# 定义数据集路径data_path = r'C:\Users\Administrator\Desktop\LiTS2017'# 定义保存路径save_path = r'C:\Users\Administrator\Desktop\2D-LiTS2017'if not os.path.exists(save_path): os.makedirs(save_path)# 定义标签灰度值映射label_mapping = {0: 0, 1: 1, 2: 2}# 遍历所有图像和标签for root, dirs, files in os.walk(data_path): for file in files: if file.endswith('.nii'): # 读取图像或标签数据 img_path = os.path.join(root, file) img_data = nib.load(img_path).get_fdata() # 将3D数据转换为2D图片 for i in range(img_data.shape[2]): img_slice = img_data[:, :, i] img_slice = np.rot90(img_slice) img_slice = np.flipud(img_slice) img_slice = (img_slice - np.min(img_slice)) / (np.max(img_slice) - np.min(img_slice)) * 255 img_slice = img_slice.astype(np.uint8) img_slice = Image.fromarray(img_slice) # 处理标签数据 if 'label' in img_path.lower(): for k, v in label_mapping.items(): img_slice = np.array(img_slice) img_slice[img_slice == k] = v img_slice = Image.fromarray(img_slice) # 保存2D图片 save_dir = os.path.join(save_path, os.path.basename(root)) if not os.path.exists(save_dir): os.makedirs(save_dir) save_path_2d = os.path.join(save_dir, f'{file[:-4]}_{i:03d}.png') img_slice.save(save_path_2d)出现scaled = scaled.astype(np.promote_types(scaled.dtype, dtype), copy=False) MemoryError错误，请修复它，并且给出完整代码

img_slice_array = np.array(img_slice) img_slice_array[img_slice_array == k] = v img_slice = Image.fromarray(img_slice_array) # 保存2D图片 save_dir = os.path.join(save_path, os.path.basename(root...

import cv2 import numpy as np img=cv2.imread('../01.jpg') # list_name=['H_min','H_max','S_min','S_max','V_min','V_max'] img_hsv = cv2.cvtColor(img,cv2.COLOR_BGR2HSV) def onchange(x): kernel=np.ones((5,5)) h_min=cv2.getTrackbarPos('H_min','img') h_max=cv2.getTrackbarPos('H_max','img') s_min=cv2.getTrackbarPos('S_min','img') s_max=cv2.getTrackbarPos('S_max','img') v_min=cv2.getTrackbarPos('V_min', 'img') v_max=cv2.getTrackbarPos('V_max', 'img') lower=np.array([h_min,s_min,v_min],dtype=np.uint8) upper=np.array([h_max,s_max,v_max],dtype=np.uint8) mask=cv2.inRange(img_hsv,lower,upper) # mask=cv2.morphologtEx(mask,cv2.MORPH_OPEN,kernel) cv2.imshow('img',mask) cv2.namedWindow('img') cv2.createTrackbar('H_min','img', 1, 255,onchange) cv2.createTrackbar('H_max','img',1,255,onchange) cv2.createTrackbar('S_min','img',1,255,onchange) cv2.createTrackbar('S_max','img',1,255,onchange) cv2.createTrackbar('V_min','img',1,255,onchange) cv2.createTrackbar('V_max','img',1,255,onchange) cv2.destroyAllWindows()这段代码有错误吗

这段代码存在一个错误，函数onchange中获取滑动条值时应该使用字符串'img'而不是变量img。因此，应该将以下代码： h_min=cv2.getTrackbarPos('H_min','img') h_max=cv2.getTrackbarPos('H_max','img') ...

修改和补充下列代码得到十折交叉验证的平均auc值和平均aoc曲线，平均分类报告以及平均混淆矩阵 min_max_scaler = MinMaxScaler() X_train1, X_test1 = x[train_id], x[test_id] y_train1, y_test1 = y[train_id], y[test_id] # apply the same scaler to both sets of data X_train1 = min_max_scaler.fit_transform(X_train1) X_test1 = min_max_scaler.transform(X_test1) X_train1 = np.array(X_train1) X_test1 = np.array(X_test1) config = get_config() tree = gcForest(config) tree.fit(X_train1, y_train1) y_pred11 = tree.predict(X_test1) y_pred1.append(y_pred11 X_train.append(X_train1) X_test.append(X_test1) y_test.append(y_test1) y_train.append(y_train1) X_train_fuzzy1, X_test_fuzzy1 = X_fuzzy[train_id], X_fuzzy[test_id] y_train_fuzzy1, y_test_fuzzy1 = y_sampled[train_id], y_sampled[test_id] X_train_fuzzy1 = min_max_scaler.fit_transform(X_train_fuzzy1) X_test_fuzzy1 = min_max_scaler.transform(X_test_fuzzy1) X_train_fuzzy1 = np.array(X_train_fuzzy1) X_test_fuzzy1 = np.array(X_test_fuzzy1) config = get_config() tree = gcForest(config) tree.fit(X_train_fuzzy1, y_train_fuzzy1) y_predd = tree.predict(X_test_fuzzy1) y_pred.append(y_predd) X_test_fuzzy.append(X_test_fuzzy1) y_test_fuzzy.append(y_test_fuzzy1)y_pred = to_categorical(np.concatenate(y_pred), num_classes=3) y_pred1 = to_categorical(np.concatenate(y_pred1), num_classes=3) y_test = to_categorical(np.concatenate(y_test), num_classes=3) y_test_fuzzy = to_categorical(np.concatenate(y_test_fuzzy), num_classes=3) print(y_pred.shape) print(y_pred1.shape) print(y_test.shape) print(y_test_fuzzy.shape) # 深度森林 report1 = classification_report(y_test, y_prprint("DF",report1) report = classification_report(y_test_fuzzy, y_pred) print("DF-F",report) mse = mean_squared_error(y_test, y_pred1) rmse = math.sqrt(mse) print('深度森林RMSE:', rmse) print('深度森林Accuracy:', accuracy_score(y_test, y_pred1)) mse = mean_squared_error(y_test_fuzzy, y_pred) rmse = math.sqrt(mse) print('F深度森林RMSE:', rmse) print('F深度森林Accuracy:', accuracy_score(y_test_fuzzy, y_pred)) mse = mean_squared_error(y_test, y_pred) rmse = math.sqrt(mse) print('F?深度森林RMSE:', rmse) print('F?深度森林Accuracy:', accuracy_score(y_test, y_pred))

X_train1 = np.array(X_train1) X_test1 = np.array(X_test1) # train gcForest tree.fit(X_train1, y_train1) # predict on test set y_pred11 = tree.predict(X_test1) y_pred_proba11 = tree.predict_...

解释代码path = os.getcwd() #获取当前工作目录的上上级目录的绝对路径，并将其赋值给变量 data_root。 binout = os.path.join(path, "binout") br = BinoutReader(binout) # Time steps tm = br.get_data(bdt.BINOUT_ELOUT_X, idtype=bit.BINOUT_ELOUT_ID_SHELL) num_time_steps = br.get_data(bdt.BINOUT_ELOUT_NUM_TIMESTEP, idtype=bit.BINOUT_ELOUT_ID_SHELL) print("Number of time steps", num_time_steps) strainXX = br.get_data(bdt.BINOUT_ELOUT_STRAIN_XX, idtype=bit.BINOUT_ELOUT_ID_SHELL, id=76, datatype_option=bdto.BINOUT_DATATYPE_ELOUT_LOWER) strainYY = br.get_data(bdt.BINOUT_ELOUT_STRAIN_YY, idtype=bit.BINOUT_ELOUT_ID_SHELL, id=76, datatype_option=bdto.BINOUT_DATATYPE_ELOUT_LOWER) strainZZ = br.get_data(bdt.BINOUT_ELOUT_STRAIN_ZZ, idtype=bit.BINOUT_ELOUT_ID_SHELL, id=76, datatype_option=bdto.BINOUT_DATATYPE_ELOUT_LOWER) strainXY = br.get_data(bdt.BINOUT_ELOUT_STRAIN_XY, idtype=bit.BINOUT_ELOUT_ID_SHELL, id=76, datatype_option=bdto.BINOUT_DATATYPE_ELOUT_LOWER) strainYZ = br.get_data(bdt.BINOUT_ELOUT_STRAIN_YZ, idtype=bit.BINOUT_ELOUT_ID_SHELL, id=76, datatype_option=bdto.BINOUT_DATATYPE_ELOUT_LOWER) strainZX = br.get_data(bdt.BINOUT_ELOUT_STRAIN_ZX, idtype=bit.BINOUT_ELOUT_ID_SHELL, id=76, datatype_option=bdto.BINOUT_DATATYPE_ELOUT_LOWER)

这段代码首先获取当前工作目录的上上级目录的绝对路径，并将其赋值给变量data_root。然后使用binout变量来指定一个二进制输出文件的路径，并使用BinoutReader对象来读取该文件。接下来，代码从文件中获取了一些数据...

class SVDRecommender: def init(self, k=50, ncv=None, tol=0, which='LM', v0=None, maxiter=None, return_singular_vectors=True, solver='arpack'): self.k = k self.ncv = ncv self.tol = tol self.which = which self.v0 = v0 self.maxiter = maxiter self.return_singular_vectors = return_singular_vectors self.solver = solver def svds(self, A): if which == 'LM': largest = True elif which == 'SM': largest = False else: raise ValueError("which must be either 'LM' or 'SM'.") if not (isinstance(A, LinearOperator) or isspmatrix(A) or is_pydata_spmatrix(A)): A = np.asarray(A) n, m = A.shape if k <= 0 or k >= min(n, m): raise ValueError("k must be between 1 and min(A.shape), k=%d" % k) if isinstance(A, LinearOperator): if n > m: X_dot = A.matvec X_matmat = A.matmat XH_dot = A.rmatvec XH_mat = A.rmatmat else: X_dot = A.rmatvec X_matmat = A.rmatmat XH_dot = A.matvec XH_mat = A.matmat dtype = getattr(A, 'dtype', None) if dtype is None: dtype = A.dot(np.zeros([m, 1])).dtype else: if n > m: X_dot = X_matmat = A.dot XH_dot = XH_mat = _herm(A).dot else: XH_dot = XH_mat = A.dot X_dot = X_matmat = _herm(A).dot def matvec_XH_X(x): return XH_dot(X_dot(x)) def matmat_XH_X(x): return XH_mat(X_matmat(x)) XH_X = LinearOperator(matvec=matvec_XH_X, dtype=A.dtype, matmat=matmat_XH_X, shape=(min(A.shape), min(A.shape))) # Get a low rank approximation of the implicitly defined gramian matrix. eigvals, eigvec = eigsh(XH_X, k=k, tol=tol ** 2, maxiter=maxiter, ncv=ncv, which=which, v0=v0) # Gramian matrix has real non-negative eigenvalues. eigvals = np.maximum(eigvals.real, 0) # Use complex detection of small eigenvalues from pinvh. t = eigvec.dtype.char.lower() factor = {'f': 1E3, 'd': 1E6} cond = factor[t] * np.finfo(t).eps cutoff = cond * np.max(eigvals) # Get a mask indicating which eigenpairs are not degenerate tiny, # and create a reordering array for thresholded singular values. above_cutoff = (eigvals > cutoff) nlarge = above_cutoff.sum() nsmall = k - nlarge slarge = np.sqrt(eigvals[above_cutoff]) s = np.zeros_like(eigvals) s[:nlarge] = slarge if not return_singular_vectors: return np.sort(s) if n > m: vlarge = eigvec[:, above_cutoff] ularge = X_matmat(vlarge) / slarge if return_singular_vectors != 'vh' else None vhlarge = _herm(vlarge) else: ularge = eigvec[:, above_cutoff] vhlarge = _herm(X_matmat(ularge) / slarge) if return_singular_vectors != 'u' else None u = _augmented_orthonormal_cols(ularge, nsmall) if ularge is not None else None vh = _augmented_orthonormal_rows(vhlarge, nsmall) if vhlarge is not None else None indexes_sorted = np.argsort(s) s = s[indexes_sorted] if u is not None: u = u[:, indexes_sorted] if vh is not None: vh = vh[indexes_sorted] return u, s, vh将这段代码放入一个.py文件中，用Spyder查看，有报错，可能是缩进有问题，无法被调用，根据这个问题，给出解决办法，给出改正后的完整代码

A = np.asarray(A) n, m = A.shape if self.k <= 0 or self.k >= min(n, m): raise ValueError("k must be between 1 and min(A.shape), k=%d" % self.k) if isinstance(A, LinearOperator): if n > m: X_...

red_mask = cv2.inRange(lab_image, lower_red, upper_red) blue_mask = cv2.inRange(lab_image, lower_blue, upper_blue) green_mask = cv2.inRange(lab_image, lower_green, upper_green) yellow_mask = cv2.inRange(lab_image, lower_yellow, upper_yellow)

对于每个颜色，我们分别使用相应的阈值数组lower_red、upper_red、lower_blue、upper_blue、lower_green、upper_green、lower_yellow和upper_yellow来创建掩码。这些掩码将是二值图像，其中白色表示...

import cv2 import numpy as np # 读取图像 img = cv2.imread('image.jpg') # 将图像从RGB颜色空间转换为HSV颜色空间 hsv = cv2.cvtColor(img, cv2.COLOR_BGR2HSV) # 定义红色的HSV范围 lower_red = np.array([, 50, 50]) upper_red = np.array([10, 255, 255]) mask1 = cv2.inRange(hsv, lower_red, upper_red) lower_red = np.array([170, 50, 50]) upper_red = np.array([180, 255, 255]) mask2 = cv2.inRange(hsv, lower_red, upper_red) # 将两个掩膜相加 mask = mask1 + mask2 # 对原始图像和掩膜进行位运算 res = cv2.bitwise_and(img, img, mask=mask) # 显示结果 cv2.imshow('image', img) cv2.imshow('mask', mask) cv2.imshow('res', res) cv2.waitKey() cv2.destroyAllWindows()改写为c++代码

cv::inRange(hsv, lower_red1, upper_red1, mask1); cv::Scalar lower_red2(170, 50, 50); cv::Scalar upper_red2(180, 255, 255); cv::Mat mask2; cv::inRange(hsv, lower_red2, upper_red2, mask2); // 将...

mysql: [ERROR] unknown variable 'lower_case_table_names=1'.

根据提供的引用内容，出现了一个错误：mysql: [ERROR] unknown variable 'lower_case_table_names=1'。这个错误是由于在配置文件中设置了一个未知的变量'lower_case_table_names=1'导致的。为了解决这个问题，可以...

import cv2 import numpy as np # 读取相机拍摄的图像 image = cv2.imread('3.jpg') # 将图像转换为HSV颜色空间 hsv = cv2.cvtColor(image, cv2.COLOR_BGR2HSV) # 定义红色瓶盖的HSV颜色范围 lower_red = np.array([0, 50, 50]) upper_red = np.array([10, 255, 255]) # 根据颜色范围提取红色瓶盖的区域 mask = cv2.inRange(hsv, lower_red, upper_red)完善上述代码，显示结果

lower_red = np.array([0, 50, 50]) upper_red = np.array([10, 255, 255]) # 根据颜色范围提取红色瓶盖的区域 mask = cv2.inRange(hsv, lower_red, upper_red) # 显示结果 cv2.imshow('Original Image', image) ...

N = len(RV_5min) - 1 RV_real_pred = np.zeros(N+1) RV_real_uub = np.zeros(N+1) RV_real_llb = np.zeros(N+1) RV_real_pred[0] = RV_5min[0] RV_real_uub[0] = RV_5min[0] RV_real_llb[0] = RV_5min[0] alpha=0.05 z_alpha = norm.ppf(1-alpha/2) for i in range(N): RV_real_pred[i+1] = c + betaRV_5min[i] RV_real_uub[i+1] = RV_real_pred[i+1] + z_alphanp.sqrt(np.var(RV_diff))*np.sqrt(1+beta**2) RV_real_llb[i+1] = RV_real_pred[i+1] - z_alphanp.sqrt(np.var(RV_diff))np.sqrt(1+beta**2) plt.plot(RV_5.index, np.maximum(0, RV_real_pred), 'k:') plt.plot(RV_5.index, np.maximum(0, RV_real_uub), 'r--', RV_5.index, np.maximum(0, RV_real_llb), 'r--') plt.xlabel('Time') plt.ylabel('RV') plt.legend(['Predicted', 'Upper Bound', 'Lower Bound']) plt.show() 画图x和y的长度不一样怎么改

为了绘制图形，确保x和y的长度一致，可以使用相同的时间轴作为x轴。...plt.legend(['Predicted', 'Upper Bound', 'Lower Bound']) plt.show() 这样修改后，x轴和y轴的长度应该一致，可以正确地绘制图形。

import tensorflow as tf import tensorflow_hub as hub from tensorflow.keras import layers import bert import numpy as np from transformers import BertTokenizer, BertModel # 设置BERT模型的路径和参数 bert_path = "E:\\AAA\\523\\BERT-pytorch-master\\bert1.ckpt" max_seq_length = 128 train_batch_size = 32 learning_rate = 2e-5 num_train_epochs = 3 # 加载BERT模型 def create_model(): input_word_ids = tf.keras.layers.Input(shape=(max_seq_length,), dtype=tf.int32, name="input_word_ids") input_mask = tf.keras.layers.Input(shape=(max_seq_length,), dtype=tf.int32, name="input_mask") segment_ids = tf.keras.layers.Input(shape=(max_seq_length,), dtype=tf.int32, name="segment_ids") bert_layer = hub.KerasLayer(bert_path, trainable=True) pooled_output, sequence_output = bert_layer([input_word_ids, input_mask, segment_ids]) output = layers.Dense(1, activation='sigmoid')(pooled_output) model = tf.keras.models.Model(inputs=[input_word_ids, input_mask, segment_ids], outputs=output) return model # 准备数据 def create_input_data(sentences, labels): tokenizer = bert.tokenization.FullTokenizer(vocab_file=bert_path + "trainer/vocab.small", do_lower_case=True) # tokenizer = BertTokenizer.from_pretrained('bert-base-uncased') input_ids = [] input_masks = [] segment_ids = [] for sentence in sentences: tokens = tokenizer.tokenize(sentence) tokens = ["[CLS]"] + tokens + ["[SEP]"] input_id = tokenizer.convert_tokens_to_ids(tokens) input_mask = [1] * len(input_id) segment_id = [0] * len(input_id) padding_length = max_seq_length - len(input_id) input_id += [0] * padding_length input_mask += [0] * padding_length segment_id += [0] * padding_length input_ids.append(input_id) input_masks.append(input_mask) segment_ids.append(segment_id) return np.array(input_ids), np.array(input_masks), np.array(segment_ids), np.array(labels) # 加载训练数据 train_sentences = ["Example sentence 1", "Example sentence 2", ...] train_labels = [0, 1, ...] train_input_ids, train_input_masks, train_segment_ids, train_labels = create_input_data(train_sentences, train_labels) # 构建模型 model = create_model() model.compile(optimizer=tf.keras.optimizers.Adam(lr=learning_rate), loss='binary_crossentropy', metrics=['accuracy']) # 开始微调 model.fit([train_input_ids, train_input_masks, train_segment_ids], train_labels, batch_size=train_batch_size, epochs=num_train_epochs)这段代码有什么问题吗？

因此，需要修改函数 return 语句为：return np.array(input_ids), np.array(input_masks), np.array(segment_ids), np.array(labels).reshape(-1)。 6. 在 model.fit 中，需要指定验证集的参数 validation_...

lower_orange = np.array([11, 100, 100])

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lower_red = np.array([0, 170, 160], dtype=np.uint8) upper_red = np.array([255, 210, 210], dtype=np.uint8)

lower_yellow = np.array([20, 100, 100]) upper_yellow = np.array([30, 255, 255])颜色范围是

red_mask = cv2.inRange(lab_image, lower_red, upper_red) blue_mask = cv2.inRange(lab_image, lower_blue, upper_blue) green_mask = cv2.inRange(lab_image, lower_green, upper_green) yellow_mask = cv2.inRange(lab_image, lower_yellow, upper_yellow)

mysql: [ERROR] unknown variable 'lower_case_table_names=1'.

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