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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
...rray. For this example let us say the array is 4x4 and I want to extract a 2x2 array from it.
7 Answers
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How to convert int[] into List in Java?
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20 Answers
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Write a function that returns the longest palindrome in a given string
I thought of a solution but it runs in O(n^2) time
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“for loop” with two variables? [duplicate]
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201
If you want the effect of a nested for loop, use:
import itertools
for i, j in itertools.prod...
LINQ with groupby and count
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After calling GroupBy, you get a series of groups IEnumerable<Grouping>, where each Groupi...
Getting key with maximum value in dictionary?
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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
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You've got a workable idea, but the #flatten! is in the wrong place -- it flattens its receiver...
initializing a boolean array in java
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I just need to initialize all the array elements to Boolean false.
Either use boolean[] i...
xkcd style graphs in MATLAB
...plot, but you will end up with an image, not an editable plot.
I'll show #2 first, and my attempt at #1 below (if you like #1 better, look at Rody's solution!).
This solution relies on two key functions: EXPORT_FIG from the file exchange to get an anti-aliased screenshot, and IMTRANSFORM to get ...
List comprehension in Ruby
...lock.nil?
self.collect(&block).compact
end
end
some_array = [1, 2, 3, 4, 5, 6]
new_array = some_array.comprehend {|x| x * 3 if x % 2 == 0}
puts new_array
Prints:
6
12
18
I would probably just do it the way you did though.
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