26 total contributions since 2017

Alex Geiger moved to Rochester NY where he studied machine learning at the Rochester Institute of Technology. Passionate and driven all his life, with a mission to automate aspects the feature engineering process. In his free time, Alex loves helping out his local community and giving back.

Submitted

Build a Modern Dashboard Today

Huge Improvements, check out whats new, and view the video! -- Alex G

1 day ago | 127 downloads |

Submitted

Google Search: Answer & Links

Obtain the answer of google's search engine & Links to webpages

26 days ago | 18 downloads |

Answered

How can I scatter two vector with a condition on other vector in a matrix?

sz = zeros(size(A,1),1); % % Note A must be 0 or greater-than 10 according % to your logic, and therefore if x equals %...

How can I scatter two vector with a condition on other vector in a matrix?

sz = zeros(size(A,1),1); % % Note A must be 0 or greater-than 10 according % to your logic, and therefore if x equals %...

27 days ago | 1

Answered

Finding area under peaks for drifting signal

1. instead of using the function maxpeak use [~,I] = max(f); to obtain the index of the max peak 2. Nice! Now you kn...

Finding area under peaks for drifting signal

1. instead of using the function maxpeak use [~,I] = max(f); to obtain the index of the max peak 2. Nice! Now you kn...

27 days ago | 0

Submitted

feanalysis

Analyze simulated financial data to through an Exploratory Factor Analysis class.

1 month ago | 5 downloads |

Solved

Return the Fibonacci Sequence

Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

1 month ago

Solved

Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

1 month ago

Solved

Alternating sum

Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

1 month ago

Solved

Project Euler: Problem 6, Natural numbers, squares and sums.

The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

1 month 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.

1 month 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...

1 month ago

Solved

Weighted average

Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

1 month ago

Solved

Determine if input is odd

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

1 month ago

Solved

Remove all the consonants

Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

1 month 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...

1 month 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...

1 month ago

Solved

Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

1 month ago

Solved

Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

1 month ago

Solved

Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

1 month ago

Solved

Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

1 month ago

Solved

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 ...

1 month 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...

1 month 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...

1 month ago

Question

How may I create a blog

I created a modern interactive Matlab GUI controls as part of my capstone project. The controls mirror what you would expect fro...

3 months ago | 2 answers | 0