David Hill

Last seen: Today | 2017 以来アクティブ

Electrical Engineering with minors in Computer Science and Mathematics. Working as an Undergraduate Research Assistant in the field of Robotics.

Programming Languages:
Python, C++, C, Java, MATLAB, HTML, Arduino
Spoken Languages:
English, Spanish
Professional Interests:

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defining a list of class instances
classdef Node properties Title NodeType NodeList RelationType Impor...

3日前 | 0

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Store prime and non-prime numbers in two diferent vectors from a .txt
Attach Natural_numbers.txt is below does not work m=readmatrix('Natural_numbers.txt'); idx=isprime(m); nonprime_num=m(~idx); ...

3日前 | 0

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Round to nearest ones place value ex ante
a=1400; b=2600; r=randi([a b]); abs(r-a)<abs(r-b);

3日前 | 0

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How can I plot a string input?
figure ax=gca; t = text(0.5,0.5,'David'); s = t.FontSize; t.FontSize = 12; ax.Visible='off';

3日前 | 1

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How to write a script to test central limit theory
n=10; r=sum(randi(6,1000,n),2); m=mean(r); s=std(r); histogram(r,15)

3日前 | 0

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readcell function returns "failed to convert character code" error
Just use save command.

3日前 | 1

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Error using horzcat Dimensions of arrays being concatenated are not consistent.
VD = depth; rho = Rho; ac = (1./Vp.*10^6).*0.000305; VES2 = (1/0.0313)*log(0.38./Phi); % Vertical effective stress by using At...

3日前 | 0

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How can I plot a string input?
I assume you want to display. display('David') txt =input('What is your name','s'); display(txt)

3日前 | 0

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Pay up
You live in a world where arbitrary denominations of currency exist. You owe your friend a sum of money denoted by s. However, i...

4日前

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How to count the number of rows per group
A=[a,b,c]; u=unique(A,'rows'); d=zeros(size(A,1),1); idx=any(isnan(A),2); d(idx)=nan; f=find(~idx); for k=1:length(f) ...

4日前 | 0

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i get this error "attempting to load ybus script as a function"
Not sure what you are doing, but works fine for me. z = [0, 1, 0, 1.0; 0, 2, 0, 0.8; 1, 2, 0, 0.4; 1, 3, 0, 0.2; 2, 3, 0, 0.2; ...

4日前 | 0

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How do I prevent MATLAB from converting characters into their ASCII equivalent?
A=repmat('*',1,10) A=repelem('*',10)

4日前 | 0

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How can I plot the graph of this double integral function in Matlab?
r = linspace(10^-2,10^2); eta=zeros(size(r)); hold on; for delta= [1 2 3 4 5 6] for k=1:numel(r) f=@(x,y) x.*exp(-3.44.*r...

4日前 | 0

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Set different properties using for loop
Recommend a lookup table for the material. Then just index into when data is needed. matLookup=[0.26,5E-3,3.6,4.5E-9,0.28,820;....

4日前 | 0

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How to return logical array with only the longest row-consecutive equal to true
I = [0 0 1 1 1 1 1 1 0 0 0 0; 0 0 1 0 0 1 0 0 1 0 0 1; 1 1 1 1 1 1 0 0 0 0 0 0]; i=[zeros(size(I,1),1),I,zeros(s...

4日前 | 0

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Why is my loop not running? (Error using / Matrix dimensions must agree)
Cannot multiply by the entire array (cp). %heat transfer % A(i) = -((L*D*(cp(i) - cinf)) + (kair*(Tp(i) - Tb))); B(i)...

6日前 | 0

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how to compute random??
Run a simulation many times below. tol=.01; for k=1:1000 %I ran the simulation 1000 times n=rand(1,10000); An=cumsum(n)...

6日前 | 0

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moving averag : Out of memory. The likely cause is an infinite recursion within the program.
m=readmatrix('TX.txt'); x=movavgFilt(m(:,2)',5,'Center');%data needs to be row vector

7日前 | 0

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Create a unit vector from two locations?
MTH2 = [0.472 1.364 0.06]; CoM = [0.471 1.147 0.903]; UnitVector = (CoM - MTH2) / norm(CoM - MTH2)

7日前 | 0

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Replacing value by the mean of the two nearest neighbors
B = [20; 18; NaN; 25; 100; 15; -50; 23; NaN; 15; -15; 30]; idx=find(isnan(B)); B(idx)=mean([B(idx-1),B(idx+1)],2); idx=find(B...

7日前 | 0

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How to permute elements of jth column of a matrix iteratively
A=[1,2,3 ; 7,8,9 ; 13,14,15]; perms_of_(A,2) function A_perms = perms_of_(A,j) p=perms(A(:,j)); for i = 1:length(p) A_p...

8日前 | 0

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How To change Diagonal Elements with a string in matrix using FOR loop or other preferred method?
a='ALEX'; b=diag(double(a)); b(b==0)=48; string(char(b)) char(b)

8日前 | 0

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Easy Sequences 72: Complete Graph
In Graph Theory, we say a graph is a Complete Graph, if all of its nodes are connected to evey other nodes in the graph. Example...

8日前

解決済み

Définir une fonction creneau
Definr une fonction "creneau" qui prend en entrée un vecteur et renvoie la valeur 1 pour chaque élément positif du vecteur et...

9日前

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sinus de pulsation a
Ecrire une fonction sinat qui prend en entrée un vecteur t (de valeurs croissantes) et renvoie un vecteur y de de même dimensi...

9日前

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Magic Matrix
We are all familiar with the concept of magic matrix. In a magic matrix, the summation of all rows, columns and both diagonals...

9日前

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Dominant Matrix - 01
A matrix is said to be diagonally dominant if for every row of the matrix, the magnitude of the diagonal entry in a row is large...

10日前

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Loja de tintas
Faça um programa para uma loja de tintas. O programa deverá receber o tamanho em metros quadrados da área a ser pintada. Conside...

14日前

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Unier matrices de diferentes tiempos e interpolarlarlas
newMatrix=[A;B;C];%where A,B,and C are your current matrices.

15日前 | 0

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Voltage in a lamp
A lamp is measured to have a resistance of R ohms when it operates at a power of P Watts. What is the voltage (in volts) being a...

15日前

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