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Company/University

MathWorks

Personal Profile

I like to be outside. But if I'm inside, I like to be using MATLAB.

I'm an Application Support Engineer at MathWorks and civil/structural engineer by education.

Some Interests:

-Image Processing, specifically 3d images (CT, mri)

-All things graphics

-Optimization: both of code and objective functions

-Finite Element Analysis

The two things I want to improve on most are regular expressions and OOP.

Professional Interests

MATLAB

148Rank

6Badges

1545Score

Sean de Wolski submitted Solution 434204 to Problem 2287. Find the dimensions of a matrix

on 21 Apr 2014 at 22:35

Sean de Wolski submitted Solution 434203 to Problem 1658. Simple equation: Annual salary

on 21 Apr 2014 at 22:34

Sean de Wolski submitted Solution 409611 to Problem 2. Make the vector [1 2 3 4 5 6 7 8 9 10]

on 25 Feb 2014

Sean de Wolski submitted Solution 387821 to Problem 2121. Find offset of given matrix element from first matrix element

on 17 Jan 2014

Sean de Wolski submitted Solution 382569 to Problem 2094. Sum of diagonals elements of a matrix

on 9 Jan 2014

Sean de Wolski submitted Solution 382536 to Problem 2094. Sum of diagonals elements of a matrix

on 9 Jan 2014

Sean de Wolski submitted Solution 382529 to Problem 2094. Sum of diagonals elements of a matrix

on 9 Jan 2014

Sean de Wolski submitted Solution 372664 to Problem 459. Sum of diagonal of a square matrix

on 19 Dec 2013

Sean de Wolski submitted Solution 368531 to Problem 627. Compute a dot product of two vectors x and y

on 11 Dec 2013

Sean de Wolski submitted Solution 364536 to Problem 625. Determine Whether an array is empty

on 4 Dec 2013

Sean de Wolski submitted a Comment to Problem 2029. Convert vector datasets to plot with imagesc instead of scatter

I think the test suite is wrong:
If "G" is supposed to have a "minimal number of empty cells" then why is the second test a 9x9 with the last column being all zeros? I would expect this column to be unnecessary.
For the first test, I'm getting 1.2690e-05 for chk2.
Problem is great though!

on 3 Dec 2013

Sean de Wolski submitted Solution 363144 to Problem 2023. Is this triangle right-angled?

on 2 Dec 2013

Sean de Wolski submitted Solution 363143 to Problem 2023. Is this triangle right-angled?

on 2 Dec 2013

Sean de Wolski submitted Solution 360864 to Problem 2012. Tony's trick for duplicating an mx1 vector n times

on 27 Nov 2013

Sean de Wolski submitted Solution 360862 to Problem 2009. Insert certain elements into a vector.

on 27 Nov 2013

Sean de Wolski submitted Solution 360822 to Problem 2014. "Find out the best cricket"

on 27 Nov 2013

Sean de Wolski submitted Solution 352600 to Problem 1988. Remove the middle element from a vector

on 15 Nov 2013

Sean de Wolski submitted Solution 345766 to Problem 1971. Remove element(s) from cell array

on 5 Nov 2013