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### Alternatives to procedural loops and iterating over lists in Mathematica

While there are some cases where a For loop might be reasonable, it's a general mantra – one I subscribe to myself – that "if you are using a ...
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### Using a PatternTest versus a Condition for pattern matching

My last question to the site resulted in several answers that involve using pattern matching in Mathematica, a feature I wasn't very familiar with at the time. I am currently reading Mathematica ...
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### Fastest way to calculate matrix of pairwise distances

It is a very common problem that given a distance function $d(p_1,p_2)$ and a set of points pts, we need to construct a matrix ...
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### Are there "All" and "Any" functions in Mathematica?

In Python, there is a function all which returns true if all of its arguments are true, and any which returns true if at least ...
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### How to draw a hanging rootogram in Mathematica?

I am trying to plot a hanging rootogram of some data in Mathematica. I can't seem to find a built in function for it, while simply using Histogram (on "transformed" ...
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### Efficient way to test if all the elements in a list are Integers? [closed]

Consider a list such as s = {1, 2, 3, 3, 5, 6, 3} With IntegerQ[number] , you know if ...
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### Check whether array has only constant entries?

I have an array arr with n entries. Now I want to check whether ...
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748 views

### Generalization to AllTrue, AnyTrue and NoneTrue

I am wondering if there is a natural Mathematica way to generalize those functions. To be specific, All three functions AllTrue, ...
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### Selecting sublists of different length if at least one element of the sublist fulfills a criterion

I have the following list, containing sublists with 1,2 or 3 elements. ...
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### How do I replace elements in a list matching a pattern?

I have a list: {0, 1, 1, 1, 2, 2, 2, 6}. I want to replace all the elements that are greater than 1 with the integer 1. In other words, I want Mma to return the list {0,1,1,1,1,1,1,1,1}.
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### List manipulation - End loop

Given are two matrices (a & b). I want to end the For-loop if all values in the matrix (a minus b) are smaller than 7, in contrast to any value in the matrix (a minus b) is smaller than 7. Can ...
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178 views

### How to use Contains functions on matrices?

I need a quick test to check if a large matrix contains any non-zeros. The Contains functions work on Lists not matrices. ...
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