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Stuart Kozola


MathWorks

59 total contributions since 2011

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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 ...

9 meses 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...

10 meses 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...

10 meses 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,...

10 meses 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...

10 meses 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.

11 meses 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.

11 meses ago

Solved


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

11 meses 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....

11 meses 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...

11 meses 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...

11 meses 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...

11 meses 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 = ...

11 meses 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....

11 meses ago

Solved


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

11 meses 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]

11 meses ago

Solved


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

11 meses 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 ...

11 meses 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...

11 meses ago

Solved


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

11 meses 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.

11 meses ago

Solved


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

11 meses ago

Submitted


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

casi 2 años ago | 20 downloads |

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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...

más de 2 años 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...

más de 2 años 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,...

más de 2 años ago | 0

Submitted


Automated Trading with MATLAB - 2012
Files from the Automated Trading webinar showing X_Trader and QuickFIX/J integration.

más de 3 años ago | 15 downloads |

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Submitted


Cointegration and Pairs Trading with Econometrics Toolbox
Demo files from the webinar of same title.

más de 3 años ago | 16 downloads |

Submitted


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

más de 3 años ago | 28 downloads |

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Submitted


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

más de 3 años ago | 18 downloads |

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