82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
# Guan is an open-source python package developed and maintained by https://www.guanjihuan.com/about. The primary location of this package is on website https://py.guanjihuan.com.
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# read and write
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import numpy as np
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def read_one_dimensional_data(filename='a'):
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f = open(filename+'.txt', 'r')
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text = f.read()
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f.close()
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row_list = np.array(text.split('\n'))
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dim_column = np.array(row_list[0].split()).shape[0]
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x = np.array([])
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y = np.array([])
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for row in row_list:
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column = np.array(row.split())
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if column.shape[0] != 0:
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x = np.append(x, [float(column[0])], axis=0)
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y_row = np.zeros(dim_column-1)
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for dim0 in range(dim_column-1):
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y_row[dim0] = float(column[dim0+1])
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if np.array(y).shape[0] == 0:
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y = [y_row]
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else:
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y = np.append(y, [y_row], axis=0)
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return x, y
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def read_two_dimensional_data(filename='a'):
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f = open(filename+'.txt', 'r')
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text = f.read()
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f.close()
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row_list = np.array(text.split('\n'))
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dim_column = np.array(row_list[0].split()).shape[0]
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x = np.array([])
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y = np.array([])
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matrix = np.array([])
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for i0 in range(row_list.shape[0]):
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column = np.array(row_list[i0].split())
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if i0 == 0:
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x_str = column[1::]
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x = np.zeros(x_str.shape[0])
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for i00 in range(x_str.shape[0]):
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x[i00] = float(x_str[i00])
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elif column.shape[0] != 0:
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y = np.append(y, [float(column[0])], axis=0)
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matrix_row = np.zeros(dim_column-1)
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for dim0 in range(dim_column-1):
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matrix_row[dim0] = float(column[dim0+1])
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if np.array(matrix).shape[0] == 0:
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matrix = [matrix_row]
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else:
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matrix = np.append(matrix, [matrix_row], axis=0)
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return x, y, matrix
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def write_one_dimensional_data(x_array, y_array, filename='a'):
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with open(filename+'.txt', 'w') as f:
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i0 = 0
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for x0 in x_array:
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f.write(str(x0)+' ')
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if len(y_array.shape) == 1:
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f.write(str(y_array[i0])+'\n')
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elif len(y_array.shape) == 2:
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for j0 in range(y_array.shape[1]):
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f.write(str(y_array[i0, j0])+' ')
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f.write('\n')
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i0 += 1
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def write_two_dimensional_data(x_array, y_array, matrix, filename='a'):
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with open(filename+'.txt', 'w') as f:
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f.write('0 ')
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for x0 in x_array:
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f.write(str(x0)+' ')
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f.write('\n')
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i0 = 0
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for y0 in y_array:
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f.write(str(y0))
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j0 = 0
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for x0 in x_array:
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f.write(' '+str(matrix[i0, j0])+' ')
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j0 += 1
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f.write('\n')
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i0 += 1 |