PYTHON MULTIPLY LIST BY SCALAR

Multiply Each Element in List by Scalar Value with Python

Below is a simple example of how you can multiply a list by 3 in Python with list comprehension. list_of_numbers = [1, 5, 2, 4] print([num * 3 for num in list_of_numbers]) #Output: [3, 15, 6, 12] Using map() to Multiply Elements in a List by a Scalar Number in Python. The Python map() function allows you to apply a function to each element of a ...

python multiply list by scalar Code Example - IQCode.com

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python multiply every element in list by scalar Code Example

my_list = [1, 2, 3, 4, 5] my_new_list = [i * 5 for i in my_list] >>> print(my_new_list) [5, 10, 15, 20, 25]

How to Multiply Array by Scalar in Python using NumPy - Sabe

In Python, you can use the NumPy library to multiply an array by a scalar. Because we are using a third-party library here, we can be sure that the code has been tested and is safe to use. In this post, we'll learn how to use numpy to multiply all the elements in an array by a scalar. Multiply an array by a scalar

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How to multiply array by scalar in python - CodeSource.io

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Python | Pandas Series.multiply() - GeeksforGeeks

Pandas Series.multiply () function perform the multiplication of series and other, element-wise. The operation is equivalent to series * other, but with support to substitute a fill_value for missing data in one of the inputs. Syntax: Series.multiply (other, level=None, fill_value=None, axis=0) Parameter : other : Series or scalar value.

python - Multiply columns values by a scalar based on conditions ...

I think the most elegant solution is to define a dictionary (or a pandas.Series) with the multiplying factor for each column of your DataFrame (factors).Then you can multiply all the columns with the corresponding factor simply using df *= factors.. The multiplication is done via column axis alignment, i.e. by aligning the df.columns with the dictionary keys.

python - How to multiply length of list by a number - Stack Overflow

Here is a function that multiplies the length of a list passed as param times another param num that will at as your multiplier. cost_ten = ["itemone", "itemtwo", "itemthree"] def costten_function (cost_ten, num): return len (cost_ten) * num print (costten_function (cost_ten, 5)) is very easy only get list length with len function and use ...

Python - Constant Multiplication over List - GeeksforGeeks

res = [x * K for x in test_list] print ("The list after constant multiplication : " + str(res)) Output. The original list is : [4, 5, 6, 3, 9] The list after constant multiplication : [16, 20, 24, 12, 36] Method #2 : Using map () + operator.mul. This is similar to the above function but uses the operator.mul to multiply each element to other ...
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