Chris Wilkening

Last seen: Today | Active since 2014

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Programming Languages:
C++, C, MATLAB
Spoken Languages:
English
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Submitted

Digitizer
Digitize chart data from an image.

4 days ago | 45 downloads |

Submitted

Visual Data Editor
Edit table data via mouse clicks.

1 month ago | 23 downloads |

Submitted

Data Table Lookup class, interpn() data container
Data Table Lookup class gives the user a way to store, manage, manipulate and plot data as would be used with MatLab interpn() l...

2 months ago | 18 downloads |

Answered
How to specify same positive and negative axes-limits without knowing the limit values beforehand?
Seems like this should be an option but below works x = -4:.01:14.1; y = cos(x); figure(1) plot(x,y) xlim([-max(abs(xlim)...

3 months ago | 0

Solved

What is the distance from point P(x,y) to the line Ax + By + C = 0?
Given a point, P(x,y), find the distance from this point to a linear line. INPUTS: x, y, A, B, C OUTPUTS: d, the distance ...

6 months ago

Solved

Is the Point in a Circle?
Check whether a point or multiple points is/are in a circle centered at point (x0, y0) with radius r. Points = [x, y]; c...

6 months ago

Solved

Angle between Two Vectors
The dot product relationship, a dot b = | a | | b | cos(theta), can be used to determine the acute angle between vector a and ve...

6 months ago

Solved

Spherical radius given four points
Determine the radius of a sphere provided four non-coplanar points on the surface of the sphere. pts = [x1 y1 z1; x...

6 months ago

Solved

Volume of a Parallelepiped
Calculate the volume of a Parallelepiped given the vectors for three edges that meet at one vertex. A cube is a special case ...

6 months ago

Solved

Are all the three given point in the same line?
In this problem the input is the coordinate of the three points in a XY plane? P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) how can...

6 months ago

Solved

Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...

6 months ago

Solved

Television Screen Dimensions
Given a width to height ratio of a TV screen given as _w_ and _h_ as well as the diagonal length of the television _l_, return t...

6 months ago

Solved

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

6 months ago

Solved

Golomb's self-describing sequence (based on Euler 341)
The Golomb's self-describing sequence {G(n)} is the only nondecreasing sequence of natural numbers such that n appears exactly G...

6 months ago

Solved

Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Given a number _n_, return the terminal value of the number chain formed by summing the square of the digits. According to the P...

6 months ago

Solved

"Look and say" sequence
What's the next number in this sequence? * [0] * [1 0] * [1 1 1 0] * [3 1 1 0] * [1 3 2 1 1 0] This a variant on the w...

6 months ago

Solved

Sum the Infinite Series
Given that 0 < x and x < 2*pi where x is in radians, write a function [c,s] = infinite_series(x); that returns with the...

7 months ago

Solved

Find the stride of the longest skip sequence
We define a _skip sequence_ as a regularly-spaced list of integers such as might be generated by MATLAB's <http://www.mathworks....

7 months ago

Solved

Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

7 months ago

Solved

Integer sequence - 2 : Kolakoski sequence
Get the n-th term of Kolakoski Sequence.

7 months ago

Solved

Largest Geometric Series
Extension of Ned Gulley's wonderful Problem 317. In a geometric series, ratio of adjacent elements is always a constant value. ...

7 months ago

Solved

Find Logic 18

7 months ago

Solved

Find Logic 19

7 months ago

Solved

Energy Conversion 2

7 months ago

Solved

Energy Conversion 1

7 months ago

Solved

Velocity Conversion
Given a velocity in mph, convert it to km/h. Round the answer to the fourth decimal place.

7 months ago

Solved

Area Conversion 2

7 months ago

Solved

Area Conversion 1

7 months ago

Solved

Mass Conversion 2

7 months ago

Solved

Mass Conversion 1

7 months ago

Chris Wilkening

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