ValueError: operands could not be broadcast together with shapes (2,) (1640,)已解決
在量化交易數據處理中遇到一個問題 違反了ufunc的廣播機制（有關廣播概念，單開一篇詳細介紹：傳送蟲洞） 廣播機制如下： 當我們使用ufunc函數對兩個數組進行計算時，ufunc函數會對這兩個數組的對應元素進行計算，因此它要求這兩個數組有相同的大小(shape相同)。如果兩個數組的shape不同的話，會進行如下的廣播(broadcasting)處理： 讓所有輸入數組都向其中shape最長的數組看齊
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相關文章
- 1. 解決DHSNet ValueError: operands could not be broadcast together with shapes (224,224) (3, ) (224,224)
- 2. 成功解決IndexError: shape mismatch: indexing arrays could not be broadcast together with shapes (100,)
- 3. ValueError: Dimension 0 in both shapes must be equal
- 4. Project with path ‘***‘ could not be found in project ‘***‘.問題解決方案
- 5. java.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.vmplugin.v7.Ja【已解決】
- 6. ValueError: could not convert string to float
- 7. ‘url‘ attribute is not specified and no embedded datasource could be configured已解決
- 8. （已解決）org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; neste
- 9. NDK xxxxx could not be resolved解決方法
- 10. MAC解決The application could not be installed.