# All Questions

77 views

### How can I make a graph that compares two sequences

I have two data sets. I produce the first one from the following code: ...
132 views

### Multiplication non-deterministic?

I have two vectors of 134 elements each ($mu$, and $gt$). $mu$ contains Integers, and $gt$ contains machine precision Reals. I execute the following simple expression multiple times without changing ...
19 views

### How to fix <<MathWorldGraphs package cannot be opened? [duplicate]

From http://mathworld.wolfram.com/PaleyGraph.html I downloaded this notebook http://mathworld.wolfram.com/notebooks/GraphTheory/PaleyGraph.nb. The notebook contains the line ...
45 views

### How should I compute this triple integral? [closed]

I have tried taking the triple integral of $x \cos(y)$ with the bounds $0<z<1-y, x^2<y<1, -1<x<1$ in the order dz, ...
55 views

### AnimationRate not a Manipulate option? [duplicate]

I was trying to set the speed of the Manipulate play button, following this question. Namely, I wanted to specify the option AnimationRate when I have two or more slider controls. However, it seems ...
95 views

### Changing Type of Equation To Graph Through User Interface

I'm new to Mathematica. I am trying to create a graph that can change through user interface in more than just the variables. Ideally, I want the user to click a button and have the equation change ...
52 views

### Using LinearModelFit, how can I test the hypothesis $\beta=c$ with $c\neq 0$?

Assuming a simple linear model $y=x\beta+u$, is there a way to test the hypothesis $\beta=c$ with $c\neq 0$, using the LinearModelFit?
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69 views

### Error In polynomial Root Finding

I have a polynomial in y like so: 2.00855*10^20 + 6.89796*10^20 x y + (5.17347*10^20 + 5.92241*10^20 x^2) y^2 - 1.4806*10^21 x y^3 + 7.77316*10^20 y^4 == 0 I ...
47 views

### Part::pspec error occured

I wanted to simulate a noise model on CCD sensors, so I did as below: ...
101 views

### How to define action of derivative (D) on a user-defined operator f

I have a symbolic function (which is in fact an operator) f[expr, x] where the second argument is a local variable for f (kind ...
57 views

### Disobedient RegionPlot3D

I faced a strange behavior of a RegionPlot3D. I am drawing a piece of a plane bounded by a parabola. This works: ...
87 views

### Data Fitting problem

I'm having this kind of data, and I know what possibly the equation is, i suspect this has a sine equation but the plot not really seems sinusoid. so what possibly the equation is so i can do the ...
47 views