將字符串numpy數組轉換爲ascii numpy矩陣

Question

我一直在尋找一種將字符串numpy數組轉換爲python中的二維ASCII矩陣的有效方法。所以這是最好的，我可以拿出

def charArrayToAsciiMatrix(strNumpyArray): 
for i in range(strNumpyArray): 
    if(i==0): 
     AsciiMatrix=numpy.matrix(ord[[c for c in strNumpyArray[i]]]) 
    else: 
     AsciiMatrix=numpy.vstack(AsciiMatrix,ord[[c for c in strNumpyArray[i]]]) 

有沒有這樣做的有效方式？

Answer 1

這是怎麼回事？

import numpy as np 

def add_word_as_ordinal(arr, word): 
    arr.extend([ord(ch) for ch in word]) 
    return arr 

def char_array_to_ascii_matrix(char_array): 
    result = np.matrix(reduce(add_word_as_ordinal, char_array, [])) 
    result.shape = len(char_array), len(char_array[0]) 
    return result 

my_array = np.array("JustA Flesh Wound".split()) 
my_matrix = char_array_to_ascii_matrix(my_array)