I get an error trying to run your sample: In [393]: my_array = np.array([[1,1,food,5], ...: [[2,1,food,5], ...: [2,2,clothes,10]]]) ... ... <看更多>
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Severity: Notice
Message: Trying to access array offset on value of type null
Filename: controllers/Pages.php
Line Number: 521
Backtrace:
File: /var/www/html/KOL/voice/application/controllers/Pages.php
Line: 521
Function: _error_handler
File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once
Severity: Notice
Message: Trying to access array offset on value of type null
Filename: controllers/Pages.php
Line Number: 521
Backtrace:
File: /var/www/html/KOL/voice/application/controllers/Pages.php
Line: 521
Function: _error_handler
File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once
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I get an error trying to run your sample: In [393]: my_array = np.array([[1,1,food,5], ...: [[2,1,food,5], ...: [2,2,clothes,10]]]) ... ... <看更多>
If you are familiar with Python's standard list indexing, indexing in NumPy will feel quite familiar. In a one-dimensional array, the ith value (counting ... ... <看更多>
... <看更多>
Data manipulation in Python is nearly synonymous with NumPy array manipulation: ... Keep in mind that, unlike Python lists, NumPy arrays have a fixed type. ... <看更多>