341 views

### What is the meaning of //N in mathematica? [duplicate]

As the title says, What is the meaning of //N? i can't remember it.I tried looking in documentaion center, but it came up with nothing. Help appreciated.
329 views

### ListPlot[Transpose[{xx,yy}]] returns blank plot [duplicate]

This is complete mystery for me, but I am unable to plot the following data... I have two lists, that I want to ListPlot. The data is created in the following way (I edited the code for more clarity): ...
277 views

### Using numerical value of Solve [duplicate]

Suppose I solve an equation y=Solve[x+3==8,x] and I want to get the numerical value of y, how do I do that? I mean, if I want to work with my result and evaluate, for example y-2 it will not work, ...
261 views

### solving singular matrix [duplicate]

Hello I have a matrix that is singular, and i wanted to use linear solve to solve it but that doesn't work with mathematica. The matrix given as a list looks like this: ...
74 views

### Prevent MMA from saving results in Out[] [duplicate]

MMA automatically saves every result which then can be called via Out[] where the argument needs to be given as %n and ...
192 views

### Function to find minimum element in array [duplicate]

i have this code: ...
89 views

### Problem while adding elements to list in while function [duplicate]

I'm tring to write a little bit of code that adds a missing element to a list. In specific: given a numbered data set such as: ...
114 views

### What Mathematica means by Hashtag? [duplicate]

I am somehow confused. What Mathematica means by hashtag within the result for my differential equation? ...
105 views

### Adding a tree to a list of trees within a loop [duplicate]

I'm trying to write a function which for a list of trees checks if a given tree is isomorphic with any of the listed, and if not - adds it to the list. I tried to use both ...
221 views

133 views

### How to write this code as a pure function? [duplicate]

The code has three places with same variable ls. So I think it would be possible to write it as a pure function. ...
218 views

### How to remove arrows and brackets from this list with [duplicate]

I have some lists which have many brackets. I'd like to remove arrows from the lists. For example, I need to change the list ...
198 views

### Assigning the answer of Solve to a variable [duplicate]

If I enter Solve[(x-2)(x+2)==0,x] then the answer comes up as {{x -> 2}, {x -> -2}} I want to make two variables ...
116 views

### Minimizing a function which involves Maximize [duplicate]

I have a mathematical function: \$f = \frac{c^3}{2 a (k T)^3} \sqrt{\frac{\pi u v w}{2 b}} \exp \left[ - \frac{c}{k T} \sqrt{\frac{x^2+y^2}{a}+\frac{z^2}{b}} + \frac{1}{2} \left( \frac{x^2}{u} + \frac{...