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

Solved

Pizza!

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

4 months ago

Solved

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 ...

2 years ago

Solved

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...

2 years ago

Solved

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...

2 years ago

Solved

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,...

2 years ago

Solved

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...

2 years ago

Solved

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.

2 years ago

Solved

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.

2 years ago

Solved

Roll the Dice!

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

2 years ago

Solved

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....

2 years ago

Solved

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...

2 years ago

Solved

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...

2 years ago

Solved

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...

2 years ago

Solved

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 = ...

2 years ago

Solved

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....

2 years ago

Solved

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]

2 years ago

Solved

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 ...

2 years ago

Solved

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...

2 years ago

Solved

Determine if input is odd

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

2 years ago

Solved

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.

2 years ago

Submitted

Rotman Trader Toolbox

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

3 years ago | 3 downloads |

Answered

Gold Feb Historical Data From Yahoo Finance

Yahoo no longer supports this api. See this answer for more information. https://www.mathworks.com/matlabcentral/answers/335...

Gold Feb Historical Data From Yahoo Finance

Yahoo no longer supports this api. See this answer for more information. https://www.mathworks.com/matlabcentral/answers/335...

4 years ago | 0

Answered

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

Yahoo no longer supports this api. See this answer for more information. https://www.mathworks.com/matlabcentral/answers/335...

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

Yahoo no longer supports this api. See this answer for more information. https://www.mathworks.com/matlabcentral/answers/335...

4 years ago | 0

Answered

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,...

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,...

4 years ago | 0

Submitted

Automated Trading with MATLAB - 2012

Files from the Automated Trading webinar showing X_Trader and QuickFIX/J integration.

4 years ago | 22 downloads |

Submitted

Cointegration and Pairs Trading with Econometrics Toolbox

Demo files from the webinar of same title.

4 years ago | 10 downloads |

Submitted

Large Data in MATLAB: A Seismic Data Processing Case Study

These are the files used in the webinar on Feb. 23, 2011.

4 years ago | 23 downloads |

Submitted

Algorithmic Trading with MATLAB - 2010

Files from the November 18, 2010 webinar.

4 years ago | 14 downloads |