Mathematica

Mathematica

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## Function plot from points result of other function combinations

I have 2 functions declared in wxmaxima: f1(x, y) and f2(x, y). Both contain if-then-else statements and basic arithmetic operations: addition, subtraction, multiplication and division. For example ...

## A Java advanced text logging pane for large output

Mathematica comes with a simple java program that allows to inspect the communication between front end and the kernel. It's called LinkSnooper and in general it works quite nice. It looks like this ...

## mathematica getting input from user

'm new to mathematica. i have a small project: get an equation , a number n, a number x and a number y and a number h, then using euler formula calculate nTh iteration ... My code is : ...

## using mathematica plots in LaTeX

I would like to use plots created with Mathematica inside my LaTeX environment. Is it possible to plot the Mathematica code completely inside the LaTeX environment? If it is not possible, does anyone ...

## Define function in Mathematica with previous output

I am new to Mathematica and stuck with the following problem: Suppose I do some computation like Integrate[x^2,x]. How can I use the output to define a new function? So, intuitively I thought it ...

2 answers | 2 days ago by harlekin on stackoverflow.com

## Syntax for dividing two complex numbers in wolframalpha

I would like to dive two complex number: a = 440 angle (10 degrees) b = 39 - 18i I would like to know the syntax for calculating a/b

## Mathematica FindRoot solve equation

I have a task to solve equation system with FindRoot: a*x+b*y^2-c*x^2=a-b, a*x^2+b*y^2+b*x-cy=b+c , where a = 10, b = 10, c = 6; I'm very(!) new to Mathematica and have one day to get to know it. ...

2 answers | Dec 15 at 6:43 by user3722573 on stackoverflow.com

## Differentiation in Mathematica

I want to differentiate f(x)=sin(x^2-1) in Mathematica Software I used this command D[Sin[x^2 - 1], x] The output is 2 x Cos[1 - x^2] Why the angle is 1-x^2 instead of x^2-1 ?? Thanks.

## Double parentheses with three arguments, mathematica

If I asign something like this to variable Res: Res=Solve[6-5x+x^2==0]; What will do the following line? Res[[1,1,2]] or Res[[2,1,2]]

1 answers | Dec 14 at 18:37 by wdc on stackoverflow.com

## Proving susceptibility in Lorentz Model satisy Kramers-Kronig relations

My instructor asked me to prove that the real and imaginary parts of the electric susceptibility derived from Lorentz Model satisfy the Kramers-Kronig relations using the residue theorem. The problem ...

## Mathematica and Latex

I am constantly using the mathematica software and using TeXForm command to go back and forth between the calculations and the latex document I'm typesetting. However, mathematica won't allow me to ...

## Cant plot fourier series in mathematica

Hi i have been trying to plot this on mathematica 8 from where x goes from -1 to 1: 1/2 (-1 + E^2) + 4 E^2 (-((2 Cos \[Pi] x)/(4 + \[Pi]^2)) - (6 Cos \[Pi] x)/( 4 + 9 \[Pi]^2) - (10 Cos \[Pi] ...

## Mathematica North America map

How would you render a map such as this one within Mathematica? (e.g. one with US states and Canadian provinces colourable separately?) ...

## How to solve character encoding issue with Emacs, mathematica.el, and Mathematica 10?

I am successfully using mathematica.el in Emacs with Mathematica 10. However, I have some kind of issue with character encoding whereby when I call mathematica-execute on a Mathematica expression the ...

1 answers | Dec 6 at 22:11 by Joe on stackoverflow.com

## How to set values to symbols

I would like to set values to a list of variables, like so: list[[1]] = 2 and if list[[1]] is a, then a will now be equal to two. How can I achieve this?

## Frequency of a wavelet filter

Assume that I have decomposed a data set using Symlet Wavelet with six levels. How can I estimate the approximate frequency interval of each level? That would be great if you consider your answer in ...

1 answers | Dec 6 at 4:40 by K-1 on stats.stackexchange.com