Community Profile

# Stuart Kozola

### MathWorks

Last seen: quasi 2 anni fa Attivo dal 2011

Stuart leads product management for Quantitative Finance and Risk Management at MathWorks.

All

#### Content Feed

Visto da

Risolto

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

quasi 3 anni fa

Risolto

Formatting currency numbers
Given a number, format it properly for textual display using the notation \$xxx,xxx,xxx.xx. Assume that no more than two digits ...

oltre 4 anni fa

Risolto

Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

quasi 5 anni fa

Risolto

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

quasi 5 anni fa

Risolto

Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

quasi 5 anni fa

Risolto

Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

quasi 5 anni fa

Risolto

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

quasi 5 anni fa

Risolto

Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

quasi 5 anni fa

Risolto

Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

quasi 5 anni fa

Risolto

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

quasi 5 anni fa

Risolto

Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

quasi 5 anni fa

Risolto

Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

quasi 5 anni fa

Risolto

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

quasi 5 anni fa

Risolto

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

quasi 5 anni fa

Risolto

Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

quasi 5 anni fa

Risolto

Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

quasi 5 anni fa

Risolto

Return area of square
Side of square=input=a Area=output=b

quasi 5 anni fa

Risolto

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

quasi 5 anni fa

Risolto

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

quasi 5 anni fa

Risolto

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

quasi 5 anni fa

Risolto

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

quasi 5 anni fa

Risolto

Given a and b, return the sum a+b in c.

quasi 5 anni fa

Inviato

Rotman Trader Toolbox provides functionality for connecting MATLAB(R) to Rotman Interactive Trader

Risposto
Gold Feb Historical Data From Yahoo Finance

oltre 6 anni fa | 0

Risposto
Getting Gold Feb (GCG12.CMX) Historical Data From Yahoo.

oltre 6 anni fa | 0

Risposto
fetch yahoo not working for Datafeed Toolbox
The MathWorks Support Team recently posted an update on this issue. Here is the answer to save you the click: “In April 2017,...

oltre 6 anni fa | 0

Inviato

Automated Trading with MATLAB - 2012

Inviato

Large Data in MATLAB: A Seismic Data Processing Case Study
These are the files used in the webinar on Feb. 23, 2011.

Inviato

Algorithmic Trading with MATLAB - 2010
Files from the November 18, 2010 webinar.