
David Hill
Electrical Engineering with minors in Computer Science and Mathematics. Working as an Undergraduate Research Assistant in the field of Robotics and Computational Photonics. Currently working on cutting-edge adaptive algorithms for controlling soft robots and other underdefined systems. Plan on continuing my education by pursuing a masters in mechanical engineering (robotics) and a MBA.
Python, C++, C, Java, MATLAB, HTML, Arduino
Spoken Languages:
English, Spanish
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Convert table with many rows to table with single row with data in sequence
m=table2array(T1);
27분 전 | 0
Want to run same script for 100 times without changing any variable and then taking the average of the output.
for k=1:100 yourScript; Output(k)=y;%whatever variable that is the output end m=mean(Output); plot(Output);
약 4시간 전 | 0
해결됨
Chain multiplication - 04
Following up on the problem in 55305, you found the optimal way to multiply a chain of matrices. However, here in this problem,...
약 5시간 전
해결됨
Nuemann Polynomials
Return the coefficients of nth (n>=0) Nuemann polynomial, (a sequence in 1/t) as polynomials in alpha. The expected output is a...
약 7시간 전
How to jump to first loop if nest for loop need to terminate due to condition
for i=1:10 for j=1:100 %code tline=fgetl(fid) if tline==-1 break; end fprintf(fid,tline) ...
약 21시간 전 | 0
how do i store mutiple txt files into a 3d matrix
Matrix=zeros(156,207,3000); for i = 1:3000 Matrix(:,:,i)=readmatrix(['frames_' num2str(i-1) '.txt']); end
1일 전 | 0
Is there a more efficient way to format my vector rather than manually change the code
TV =@(tme) [tme(1):30:tme(2)-30, tme(2):15:tme(3)-15, tme(3):12:tme(4)-12,... tme(4):2.4:tme(5)-2.4, tme(5):2.1428:tme(6)-2...
1일 전 | 0
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How to plot a data in spherical coordinates?
[x,y,z]=sph2cart(th,conc,r); surf(x,y,z);
1일 전 | 0
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How can I make these few lines a function?
function graphSetup() set(gca,'color',[1 1 1]); set(gcf,'Position',[-2237,65,2084,1272],'Resize','on'); box on; set(...
1일 전 | 1
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해결됨
Count estrangements
Recently I made a puzzle for my wife that included a cryptogram, which involves an arrangement of the letters A through Z. I use...
2일 전
해결됨
Chain multiplication - 03
Following up the problem in 55305, you found the minimum number of multiplications needed to multiply a chain of matrices. In ...
2일 전
I want to subset values in a table based on a range of numbers specific to one of my variables.
W=randi(500,100,1); A=randi(500,100,1); M=[W(W>=400&W<+450),A(W>=400&W<+450)]
2일 전 | 0
Only applying a "for" command on half of the matrices in it
m=randi(10,10,10,60);%generate your matrix (should store as 3-D matrix) r=randperm(60,30);%generate the 30 affected matrices f...
2일 전 | 0
해결됨
Chain multiplication - 02
Following up on the problem in 55295, you found the number of multiplications needed to multiply two matrices. Now, you are giv...
2일 전
해결됨
Cut the rod
A rod of length n can be cut in different sizes. Different price is associated with different length of cuts. length, len= [1,...
2일 전
해결됨
Number of leaps in binary search
Binary search is one of the most popular searching algorithms (Binary Search Algorithm). It works only in a sorted array. It uti...
2일 전
해결됨
Sort Non-zeros
Consider 0s in a vector creates a break-point. sort all the sub-arrays created by those break points. For example, a = [3, 4, 1...
2일 전
해결됨
Chain multiplication - 01
Say, you are given two matrices - A (shape= 3*4) and B(shape = 4*5). If you multiply these two matrices, the resultant matrix w...
3일 전
Write a MATLAB script to find the sum of all prime numbers between 1 and 500
sum(primes(500))
4일 전 | 0
How to convert character column to 4 byte (total 32 bits) data?
dec2bin(15226547,32)-'0'
6일 전 | 0
Extract specific rows and columns from excel and store in a matrix
If formating is consistent, readmatrix should work. listing=dir; M=[]; for k=1:length(listing) m=readmatrix(listing(k)....
6일 전 | 0
I want to create a binary matrix with a variable dimensions
k=10; M=50; O=randi(M+1,k)-1;%number of ones per row (number of zeros per row= 50 - O) for n=1:k m=[ones(1,O(n)),zeros(1...
6일 전 | 0
Combination of 2 image
idx=find(B(:,:,1)~=0&B(:,:,2)~=0&B(:,:,3)~=0);%find ~black pixels in image B C=B; C(idx)=A(:,:,idx);%set ~black pixels to imag...
6일 전 | 0
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Match numbers to allocate text
Your could also use a sparse array or an array of nan. x=[12 13 19 21]; y=[12 13 19 24 21 12 12]; X=nan(1,25); X(x)='ABCD'; ...
9일 전 | 0
How to find x value for a known y in array plot?
[~,idx]=min(abs(y-.8*max(y)));%.8*max(y) is not part of the y-array, find the closest y-idx to that value x(idx)
10일 전 | 0
해결됨
Rule of mixtures (composites) - weighted bound
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...
14일 전
해결됨
Rule of mixtures (composites) - lower and upper bounds (volumes)
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...
14일 전
해결됨
Get ranks of values in a vector
For a given vector, say [6 3 8 2], return the ranks (ascending) of observations, i.e. [3 2 4 1]. Do not worry about tied ranks. ...
14일 전
해결됨
Handle to an array of functions
Given a cell array of functions that operate on scalars, it is required to return a function handle to process a vector of value...
14일 전
해결됨
Apply a function array to an array of numbers
It is required to apply a cell array of functions to a numerical array, where the functions accept only scalar inputs. Exampl...
14일 전