# Questions tagged [mathematica-online]

For questions specific to the Wolfram product Mathematica Online.

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### Horizontal version of Print[]

With the following code I produce the binary digits of n=13: n=13; Q = Quotient[n, 2]; While[Q != 0, Print[Mod[n, 2]]; Q = Quotient[n, 2]; n = Q] The problem is ...
458 views

### Mathematica and WolframAlpha gives wrong result about DiracDelta function

Wolfram alpha says the integral does not converge and also Mathematica didn't give answer to the integral: $$\int_0^t\delta(z)\delta(t-z)dz$$ which should gives the result of $\delta(t)$ as you will ...
29 views

### I am having problem with initialization of parallelization in Mathematica

I have been using parallel computing in Mathematica for a couple of months. Today suddenly, parallel kernels are not starting. Can anyone tell me what can be the potential reason? ...
81 views

### how to solve problem involving a condition?

I am new to mathematica, therefore this might be a pretty simple question, My problem is for example: Compute the eigenvalue for matrix A= {{1,c},{1/c,1}}, c>0. when the matrix becomes more ...
107 views

### How to find an approximate equation from a given equation using Mathematica? [closed]

I am interested in finding an approximate equation based on a given equation using Mathematica. Specifically, I am working with the quantum illumination transmitter's quantum Chernoff bound (...
84 views

### List of Integers [closed]

Evan writes down a list of 15 integers, each of which is either 0 or 1. He does this in such a way that there are never three consecutive integers in the list that have the same value. How many ways ...
78 views

### Nintegrate and Integrate don't give same results

I am trying to compute an integral of the form $\int_{\frac{1}{10000}}^{\frac{1}{1000}}g(x)x e^{3ix}$ in Mathematica both numerically and analytically. $g(x)$ is equal to ...
1 vote
81 views

### Question about numerical integration of a double integral

I am trying to numerically integrate the following double integral in Mathematica for different values of t. ...
73 views

### Triangle with three corners, find area f(a) and when function has its min-value

This is my code: ...
1 vote
42 views

### Problem of " The kernel is not responsing to dynamic evaluation "

I am having this error again and again while using parallel computation. The code is fine because it runs when I am not using parallel computation. But as it takes a lot of time to run ( around 3 - 4 ...
25 views

### I am having problem in paralleltable and parallel sum ( Parallel computation in Mathematica)

You will receive the code here I want to do parallel computation here because I have planning to go further level and it will take a much longer time. I could not understand what this error means and ...
31 views

### Question about the behavior of a data point as a function of time

I have a set of data points. The first coordinate is time and the second coordinate is energy. I am trying to figure out how the energy is decaying over time. Particularly, I have to find if it is ...
39 views

### How to export file in For loop? [closed]

I am using the following code to export a file with three columns. I am using the Export file command like this but not getting the output. Can someone please help with this? ...
1 vote
74 views

1 vote
143 views

### Mathematica failing to simplify ratio of pi-notation finite products

I'm wondering if the following behaviour could please be explained to me: ...
189 views

### Wolfram Mathematica Code please [closed]

Consider two natural numbers of two-digits, like 46 and 96. They have the property that by exchanging the place of their digits and multiplying the so obtained numbers, we get the same product; i.e., <...
91 views

### how to find and b piecewise function mathamatica [closed]

how would i find a,b for how would i write this in Mathematica to get a and b
53 views

### Proof: Ratio of Cauchy distribution [closed]

I have a problem that I have been struggling to prove. Can someone help me with proving this following question, please ? : Thanks
1 vote