# raffaele

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Hello, my interest are financial engineering, econometrics, and whatever financial stuff has Matlab involved into!

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Solved

Pizza!

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

8 years ago

Solved

Select every other element of a vector

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

8 years ago

Solved

Determine if input is odd

Given the input n, return true if n is odd or false if n is even.

8 years ago

Submitted

rolling window forecast

choose the best forecast of an AR(p) model, by comparing all AR(p) forecast with realized values

9 years ago | 1 download |

Submitted

simple forecast with AR model

forecast with iterative or direct methods, a general AR(p) model, choosing the best p with AIC algo

9 years ago | 1 download |

Submitted

De-trending variables algorithm

function that make all time series stationary, and return number of differencing for each one

9 years ago | 1 download |

Question

plot a function with a changing parameter

Hi everybody, I would like to plot the function y=a*x, with a=parameter. What I want is to plot y and x, and then, I don't know...

9 years ago | 1 answer | 0

### 1

answerSubmitted

TSLS (variable input)

this function allows multiple input arguments for a TSLS regression

9 years ago | 1 download |

Question

variable inputs function and reiteration

Hi everyone, Is there a way to write a function with variable input and reiterated computations? for example, I have to write...

9 years ago | 1 answer | 0

### 1

answerSolved

Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

9 years ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

9 years ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

9 years ago

Question

how do i obtain several output with a "function" function?

Hi everybody, I have a question. My goal is to write a function as the following function[beta] = myfunction (x,y) where beta ...

9 years ago | 2 answers | 0