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William


Last seen: Today
4,680 total contributions since 2012

Semi-retired physicist with interests in numerical modeling and mathematics.

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  • Introduction to MATLAB Master
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  • Word Puzzles Master
  • Strings I Master
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Solved


Sequential Unconstrained Minimization (SUMT) using Interior Penalty
Write a function to find the values of a design variable vector, _x_, that minimizes a scalar objective function, _f_ ( _x_ ), g...

3 hours ago

Solved


Differential equation and events
You have to solve the non-linear time variant differential equation: (cos(y)+2)*y''+atan(y)*sin(0.01*t)^2+y*sin(0.5*t)=0 ...

5 hours ago

Solved


Sequential Unconstrained Minimization (SUMT) using Exterior Penalty
Write a function to find the values of a design variable vector, _x_, that minimizes a scalar objective function, _f_, given a f...

2 days ago

Solved


Number Puzzle - 117

6 days ago

Solved


Number Puzzle - 116

6 days ago

Solved


Number Puzzle - 115

6 days ago

Solved


Number Puzzle - 114

6 days ago

Solved


Number Puzzle - 113

6 days ago

Solved


Number Puzzle - 112

6 days ago

Solved


Number Puzzle - 112

6 days ago

Solved


Number Puzzle - 110

6 days ago

Solved


Number Puzzle - 109

7 days ago

Solved


Battleship_000 : (TM) Classic Game - Easy computer bot
The Classic Battleship(TM) game implemented between a computer bot and a player's bot. <http://en.wikipedia.org/wiki/Battlesh...

9 days ago

Solved


Rubik's Mini-Cube: Solve Randomized Mini-Cube - Score : Moves
The Challenge is to Solve a thoroughly scrambled Mini-Rubik's Cube(2x2x2). The Performance metric is average number of moves ...

9 days ago

Solved


Draw Letter 'L'

10 days ago

Answered
How to 3D plot a circle with radius of 1 in x y and sine wave in z?
How about this: theta = linspace(0,2*pi,100); x = sin(theta); y = cos(theta); z = sin(2*theta); figure(); plot3(x,y,z);

10 days ago | 2

Solved


Number Puzzle - 108

10 days ago

Solved


Number Puzzle - 107

10 days ago

Solved


Number Puzzle - 106

10 days ago

Solved


Number Puzzle - 105

10 days ago

Solved


Determinate if day D is a date that occurs during Daylight Saving Time in Italy
<https://en.wikipedia.org/wiki/Summer_Time_in_Europe>

12 days ago

Solved


PONG 003: 3-Ball Rectangle, Interactive Download
Variation of the Original Classic PONG game brought to Cody. PONG 003 is a rectangular board (2000,1000) with reasonable veloci...

13 days ago

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