Andrew Horchler
Astrobotic
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.
Python, C++, C, Javascript, MATLAB, HTML, CSS, Arduino, Shell
Spoken Languages:
English, French
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Content Feed
Submitted
SDETools
Matlab Toolbox for the Numerical Solution of Stochastic Differential Equations (SDEs)
3 years ago | 11 downloads |
Submitted
wrightOmegaq
Complex double-precision evaluation of the Wright omega function
7 years ago | 1 download |
Submitted
waittext
Display updating line of text or textual waitbar in Matlab Command Window
7 years ago | 1 download |
Submitted
quasicrystal
Generate movie, animated GIF, or image of a quasicrystal via sum of plane waves
7 years ago | 1 download |
Submitted
int2bin - bin2int
Convert integer datatype to a binary string and back
7 years ago | 5 downloads |
Submitted
char2hex - hex2char
Convert decimal integer string to hexadecimal representation and back
7 years ago | 2 downloads |
Submitted
circfit
Matlab function for least squares fitting of X-Y data to a circle
7 years ago | 38 downloads |
Submitted
cdiff
First- and second-order complex step derivative approximation
7 years ago | 1 download |
Submitted
DynamixelTools
Matlab Toolbox to control ROBOTIS Dynamixel actuators with the OpenCM9.04 microcontroller
7 years ago | 1 download |
Submitted
rigidtform
Optimal rotation and translation between corresponding points
7 years ago | 3 downloads |
Submitted
Passive-Dynamic-Walking
Simulation and animation of simple passive dynamic walking models
8 years ago | 5 downloads |
Submitted
hypergeomq
Fast evaluation of the generalized hypergeometric function
8 years ago | 5 downloads |
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...
9 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.
10 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...
10 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
answerSolved
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...
12 years ago
Solved
Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...
12 years ago
Solved
Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...
12 years ago
Solved
Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...
12 years 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...
12 years 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...
12 years ago