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David Hill


Last seen: 1 day ago
4,087 total contributions since 2017

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Answered
How do i save values for each iteration ?
a = [0.01 0.01 0.01 0.03 0.1 0.2 0.3 0.3 0.3 0.4 0.4 0.4 0.3 0.4 0.5 0.8 0.9 1...

23 hours ago | 0

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Answered
Not enough input arguments
y =@(x)1./sqrt(1+x.^2)+exp(-x/5).*cos(sqrt(1+x.^2))-0.0486;%I would just use an anonymous function x=0:.01:10; plot(x,y(x));

23 hours ago | 0

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Answered
Average values only next to each other in a matrix
I don't think there is an easy way, but a simple loop works. A = [ 62.9; 63; 83.10; 83; 43; 43; 63; 63.2; 83; 83; 62.90; 62.90 ...

23 hours ago | 0

Solved


Number Puzzle - 099

1 day ago

Solved


Number Puzzle - 117

1 day ago

Solved


Number Puzzle - 116

1 day ago

Solved


Number Puzzle - 115

1 day ago

Solved


Number Puzzle - 114

1 day ago

Solved


Number Puzzle - 113

1 day ago

Solved


Number Puzzle - 112

1 day ago

Solved


Number Puzzle - 111

1 day ago

Solved


Number Puzzle - 110

1 day ago

Solved


Number Puzzle - 109

1 day ago

Answered
How to change a value in one column dependent on another table column?
a=unique(table1.Var2); for k=1:length(a) b=find(table1.Var2==a(k)); for j=2:length(b) table1.Var1(b(j))=table1.Var1(...

2 days ago | 0

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Answered
adding noise to images
black=find(image==0); white=randperm(length(black),floor(x/100*length(black))); image(white)=uint8(255);

2 days ago | 0

Answered
Make if statement more readable
if numel(intersect(VID1{index(1)},VID2{index(2)}))||... numel(intersect(VID2{index(2)},VID3{index(3)}))||... n...

2 days ago | 0

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Answered
why is my plot not working
t=1:10; F=1./(4.^t)-1./(5.^t); plot(t,F);

2 days ago | 2

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Answered
How to call columns of matrices using 'for loop' ?
s=diag(S); for i=1:3 Approx(:,:,i)=U(:,i)*V(:,i)'*s(i);%I am assuming this is what you want, s(i) being scalar along the dia...

2 days ago | 0

Answered
How to split .mat file data into different variables?
a=readmatrix('yourData'); m=reshape(a,1024,[]);%why not just keep in a matrix that you can index into?

3 days ago | 0

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Answered
How to apply a colormap to rgb image ?
I=imread('Capture3.PNG'); I_gray= im2gray(I); imshow(I_gray); colormap('jet');

3 days ago | 1

Answered
Remove corresponding values in two arrays
A = [9,1,5,2,3,2] ; B = [12,23,41,4,10,6]; x = [1,2,5,9,]; % values to keep in A new_A = A(ismember(A,x)); new_B = B(ismemb...

3 days ago | 0

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Answered
Code with function file not working
No reason for global variables. Problem is equation P=X*(1+r/100)^t;%need X*

3 days ago | 1

Answered
Symbolic expressions inside of array
syms x y f = x^2; g = y^3; a = [f,g]; subs(a,x,3);

3 days ago | 0

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Answered
for loop outsite functions
Can't you just put the loop in your pushbutton function and pass the loop variable to your other functions? function Messungsta...

4 days ago | 0

Answered
Deleting every n rows in matrix
newMatrix=oldMatrix(1:15:end,:);

4 days ago | 1

| accepted

Answered
Only saving last run for loop
pie(1)=0; for i=1: 560; z=z+dz; pie(i+1)=pie(i)-((g/(cp*thetav(z)))*z); end

6 days ago | 1

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Answered
implement the A matrix using for loop
Why do you need a for-loop? Looks like you have the idea. A=zeros(2*length(x),6); A(1:2:end,1)=x; A(1:2:end,2)=y; A(1:2:end,...

8 days ago | 0

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Answered
Creating a histogram,
Use histogram(), the matlab documentation is quite good. https://www.mathworks.com/help/matlab/ref/matlab.graphics.chart.primit...

8 days ago | 0

Answered
Indexing a value from other cell arrays into a new column
for k=1:size(distances,1) a=flip(indeces(distances(k,1),:)); distances(k,3)=arrays(a(1),a(2)); end

9 days ago | 0

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