Andrew Horchler

Last seen: 18 days ago | Active since 2012

Followers: 1 Following: 0

Message

We're going to the Moon! I'm the Chief Research Scientist at Astrobotic heading their Future Missions and Technology team (https://astrobotic.com/technology). My Ph.D. in Mechanical Engineering at Case Western Reserve University was in the area of biologically inspired robotics with particular interests in mechanical design, soft robotics, dynamical systems, computational neuroscience, and numerical simulation. I have over 25 years of experience with Matlab and C.

Programming Languages:
Python, C++, C, Javascript, MATLAB, HTML, CSS, Arduino, Shell
Spoken Languages:
English, French

Statistics

All

View badges

Feeds

Solved

Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given number of...

6 months ago

Solved

radius of a spherical planet
You just measured its surface area, that is the input.

6 months ago

Solved

MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

6 months ago

Solved

Toeplitz Matrix
For a given square matrix of order n-by-n check whether this is a Toeplitz matrix or not. Return true if it is.

10 months ago

Solved

Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

10 months ago

Submitted

SDETools
Matlab Toolbox for the Numerical Solution of Stochastic Differential Equations (SDEs)

4 years ago | 3 downloads |

Submitted

sgolayfilt
Savitzky-Golay differentiation filters

7 years ago | 9 downloads |

Submitted

wrightOmegaq
Complex double-precision evaluation of the Wright omega function

8 years ago | 1 download |

Submitted

waittext
Display updating line of text or textual waitbar in Matlab Command Window

8 years ago | 2 downloads |

Submitted

quasicrystal
Generate movie, animated GIF, or image of a quasicrystal via sum of plane waves

8 years ago | 1 download |

Submitted

rgb2map
Convert RGB colors to indexed colormap colors

8 years ago | 1 download |

Submitted

QTWriter
Export QuickTime Movies with Matlab

8 years ago | 1 download |

Submitted

notify
Display OS X notification message window from Matlab

8 years ago | 1 download |

Submitted

int2bin - bin2int
Convert integer datatype to a binary string and back

8 years ago | 1 download |

Submitted

polyfitsym
Fit symbolic polynomial to data

8 years ago | 1 download |

Submitted

char2hex - hex2char
Convert decimal integer string to hexadecimal representation and back

8 years ago | 3 downloads |

Submitted

circfit
Matlab function for least squares fitting of X-Y data to a circle

8 years ago | 36 downloads |

Submitted

cdiff
First- and second-order complex step derivative approximation

8 years ago | 1 download |

Submitted

DynamixelTools
Matlab Toolbox to control ROBOTIS Dynamixel actuators with the OpenCM9.04 microcontroller

8 years ago | 2 downloads |

Submitted

rigidtform
Optimal rotation and translation between corresponding points

8 years ago | 2 downloads |

Submitted

Passive-Dynamic-Walking
Simulation and animation of simple passive dynamic walking models

9 years ago | 5 downloads |

Submitted

hypergeomq
Fast evaluation of the generalized hypergeometric function

9 years ago | 3 downloads |

Answered
Symbolic math- substitute a derivative function with subs()?
A late answer, but maybe this will help others. See <http://stackoverflow.com/a/26998716/2278029 my answer here> on StackOverflo...

10 years ago | 2

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 years ago

Solved

Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

11 years 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 years ago

Solved

The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

11 years 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 years ago

Question

HARDCOPY slower with more figures open?
GETFRAME is slow. I'm using the HARDCOPY function as a faster alternative (it's still way too slow) in order to capture figures ...

12 years ago | 1 answer | 1

1

answer

Solved

Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

13 years ago

Andrew Horchler

Statistics

Community

File Exchange

File Exchange

File Exchange

File Exchange

File Exchange

MATLAB Answers

Cody

Feeds

1