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  1. Variables (scalars and matrices) assignment in Python

    Noted. Since the scalar is created using python, it is not behaving similar to array/matrix created by Numpy. I understand that: If we have to initialize 5 matrices, it is better to initialize …

  2. Array Multiplication and Division - Software Engineering Stack …

    In mathematics, if k is a scalar and v is a vector, then k v is scalar-vector multiplication, but v k is undefined. It's always scalar-vector multiplication, and never vector-scalar multiplication.

  3. javascript - Is it a bad idea to return different data types from a ...

    For instance, a function could return an array if used in list context, or the length of the array if used in a place where a scalar value is expected. From the tutorial that is the first hit for "perl …

  4. Is it a good practice to wrap all primitives and Strings?

    More importantly, an int on its own is just a scalar, so it has no meaning. When a method takes an int as a parameter, the method name needs to do all of the work of expressing the intent.

  5. What is the equivalent of functions and methods in SQL?

    In language like C or Java, there are things like functions/methods to modularize and abstract stuff. What is there in SQL, specifically for Oracle? I've seen people talking about using views …

  6. I don't understand the arguments against operator overloading

    5 I somewhat agree. If you write multiply(j,5), j could be of a scalar or matrix type, making multiply() more or less complex, depending on what j is. However, if you abandon the idea of …

  7. performance - Why does expressing calculations as matrix ...

    When, why, and how would it be possible to gain performance improvements in software by expressing calculations as matrix multiplications? If I were to calculate the matrix multiplication …

  8. When is a feature considered a "First class citizen" in a …

    Definition An object is first-class when it: can be stored in variables and data structures can be passed as a parameter to a subroutine can be returned as the result of a subroutine can be …

  9. What's faster.. Multiple variables or single array?

    The compiler may apply scalar replacement of aggregates (SRA, SRoA), which means the local array (which is used in elementwise single assignment way) approach and the local variables …

  10. php - Is it recommended to use DocBlock even if I'm not using ...

    But you can not use type hinting for scalar types such as int or string (which is where DocBlocks could be considered useful). I'm saying that you may not want to put your full trust in …