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David Hill


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4,164 total contributions since 2017

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Answered
New to matlab. Trying to make a script to reorganize excel data
a=readcell('yourcellname'); b=unique(a(:,2)); newCell=b'; for k=1:length(b) newCell(2,k)={a(ismember(a(:,2),b{k}),1)}; en...

6 days ago | 0

Answered
Relative Ranking of position in an array
If a is your matrix above. sum(find(a==1)-find(a==2)<0);

6 days ago | 0

| accepted

Solved


Determine if input is even

6 days ago

Solved


Add 100

6 days ago

Answered
Need helping in setting a for loop for the below code
u=unique(condIds,'stable');%not sure if you only want to go through the unique entries; otherwise, you will have duplicates for...

7 days ago | 0

Answered
Rerun script with different table input
You should always attempt to index. Put all your tables into a single cell array. t{1}=table1; t{2}=table2; %then index into ...

7 days ago | 0

| accepted

Solved


Cannon Ball
Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.

9 days ago

Solved


Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

9 days ago

Solved


Basic electricity in a dry situation
&#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#...

9 days ago

Answered
How to show the iterations and the answers and the graph
Why not use a while loop? m = 68.1; g = 9.81; t = 10; v = 40; f =@(c) (g*m*(1-(exp((-c*t)/m)))/c)-v; err = 1e-10; c = 0.1...

9 days ago | 0

Answered
Not seeing second plot data
theta = 0:0.02:1; y = sin(theta); plot(theta, y, theta, 1- (theta - y)./y);%need ./ also to keep it the same scale chose 1 ins...

9 days ago | 1

Solved


Highest building

10 days ago

Solved


Normalizing a vector

10 days ago

Solved


Min-Max digit

10 days ago

Solved


Similar triangles

10 days ago

Solved


End Digits

10 days ago

Solved


Do you have the minimum age?

10 days ago

Solved


Digits Multiplication

10 days ago

Solved


Diophantine Equations (Inspired by Project Euler, problem 66)
Consider the quadratic Diophantine equation of the form: x^2 – Dy^2 = 1 When D=13, the minimal solution in x is 649^2 – 13...

11 days ago

Solved


The tallest man in the world

11 days ago

Answered
How can I implement nested for loops to return all the possible combinations
Your missing a few references. Just form a matrix of all possible combinations using meshgrid. No loops needed. WT_r = 1:0.5:30...

13 days ago | 0

Answered
Find the index that represents a percentage of area
s = 1; mu = 0; xstart = -10; xend = 10; xstep = 0.1; x_range = xstart:xstep:xend; my_pdf = normpdf(x_range,mu,s); figure x=n...

13 days ago | 0

| accepted

Answered
For loop output into array
annual_power=zeros(1,12); ref=[18.7633 19.5139 18.7633 15.0107 11.2580 10.5075 11.2580 13.5096 16.5117 17.2623 18.7633]; for i...

13 days ago | 0

Answered
How to do a number selector
I assume you mean something like this. maxNum=50; a=input('lucky dip==1 or choose your own numbers==2'); if a==1 numbers=r...

15 days ago | 0

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