# All Questions

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### Using LeviCivitaTensor

I have 2 questions about using LeviCivitaTensor, based on the following session: The signs for the cross product seems to come out "opposite" of what I expected. Why is that? Did I miss anything? ...
4 views

### Help with Fourier analysis and filtering of an image.

I am starting with the following image: For the curious, it is an STM scanned image of graphite. I am hoping to find some kind of periodic structure in the image related to the honeycomb structure ...
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### find and return the key with lowest value in association list

I am still new in Mathematica, and I need some help here. Suppose that I have an association ...
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### How to generate normally distributed random number [on hold]

I want to sample or return random number from a distribution which is normally distributed with mean of zero and standard deviation of 1. I am using RandomReal[NormalDistribution[0, 1]] I s this ...
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### How to clear Mathematica's storage after a large computation? [on hold]

I've done some surfing and haven't found a solution to my problem... hopefully it is a simple one! Here is the problem. I have a Monte Carlo module that is stepping/tracking particles in a ...
65 views

### White Edges Around Graphics Elements

Using the following code, I am able to generate a grayscale Voronoi diagram: ...
36 views

### Replace element of matrix based on rule which invloves other element of same matrix

I am trying to replace 1s row of matrix d iteratively from right by multiplying last element in 1st row with (1-int*dt) to generate 2nd last element. The replacement continues till I reach the 1st ...