# All Questions

2 views

### How to show system busy during Dynamic with SynchronousUpdating -> False?

For long running evaluations in Dynamic it is recommended that SynchronousUpdating -> False be used to prevent time-out. ...
12 views

### How to draw confidence ellipse from a covariance matrix?

I have a covariance matrix generated from dataset. I want to generate a contour plot of 95% confidence ellipse. covariance matrix: ...
25 views

### Volume by NIntegrate gives zero

I want to Integrate the following expressions for different p and n: ...
15 views

### solving quadratic and linear congruences with different modulus

We are able to solve the quadratic congruences $C^2 + Q^4 - 2\equiv mod 3072$ and $C - Q^2 - 2046\equiv mod 3072$ by entering ...
39 views

### How to make sure input is an ODE

I'm having trouble wrapping my head around why this isn't an ordinary differential equation. ...
31 views

### Implementing function and mapping over a list

I feel like I'm going insane. I have a function $f(x)=e^(-x^2)$ which I need to evaluate using forward, backward and central first order finite differences with intervals ...
21 views

### Comparing natural language strings

I have a large spreadsheet with thousands of rows/columns of text. Some are saying essentially the same thing but in different ways. When you enter a natural language question Wolfram Alpha makes a ...
27 views

### Control legend size when autoLegend is used with LinTicks

It looks simple, but I'm been trying to solve this issue for days, but no luck yet. So, here I used LinTicks, as customized option and another graphic option. Here ...
17 views

### Statistics question [on hold]

The mean height of women in a country (ages 20-29) is 63.6 inches. A random sample of 50 women in this age group is selected. What is the probability that the mean height for the sample is greater ...
39 views

### usage of random numbers in recursive loop

I am trying to evalute two functions using iterative process as below ...
21 views

36 views

### How to properly use conditionals inside NDSolve

Currently I am working with Mathematica to learn the program, and I'm confused what exactly is wrong with this code. ...
370 views

### Removing a histogram's vertical edges

Let's say I have a histogram: Histogram[RandomVariate[NormalDistribution[10, 2], 500]] How can I remove vertical lines inside the histogram and keep only the ...
55 views

### Billiard in the square [on hold]

I have code for building the billiard in square. How I can draw it with changing the first point? ...
60 views

### Equation solving problem [on hold]

I have this code: ...
50 views

### How do I plot an expression in mathematica? [duplicate]

I have the following mathematica expression: ...
24 views

### Difference between DSolve and NDSolve [on hold]

What's the difference between DSolve and NDSolve? I know both can be used but I'm not sure of the exact difference.
69 views

### Constants from differential equations

I have a problem, I've solved 2 diff equations and I have: ...

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