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

4 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...

4 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?

5 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');

5 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...

5 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*

5 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);

5 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...

6 days ago | 0

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

6 days ago | 1

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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

8 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,...

10 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...

10 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

11 days ago | 0

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Answered
Defining an anonymous function with 3*(N+1) variables
f=prod(exp(-beta*(diff(x(1:n+1)).^2+diff(x(n+2:2*n+2)).^2+diff(x(2*n+3:3*n+3)).^2)))*sum((x(1:n+1)-x(1:n+1)').^2+(x(n+2:2*n+2)-x...

11 days ago | 0

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Answered
line 15 does not work
If you inspect your variables before plotting, you will find that y is a single column. plot(t,y,'-');%this will work in your c...

11 days ago | 0

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Solved


Find the Pattern 9

11 days ago

Answered
How to solve an elliptical integral with the unknown in the integrand?
If you plot for C=0:100, you find that bcInt never exceeds 1. Re = 100; alpha = 15/360*2*pi; x=0:100; bc = @(f, C) 1./(((1-f...

12 days ago | 1

Answered
How to add numeric values to cell array?
for k=1:length(names) names{k}=[names{k},' ',num2str(val(k))]; end

12 days ago | 0

Answered
How to store words and numbers table in an array
Why not set up a struct? s = struct('a',{},'b',{},'c',{});%label the fields to whatever you want for k=1:11 s(k).a=%'Buildi...

12 days ago | 0

Answered
how to use fzero function?
First, fzero finds roots of nonlinear functions and should not be symbolic. If you have a polynomial you should use roots() func...

12 days ago | 0

Answered
How to "invert" integral function?
I might not understand your question completely. If you know the temperature and interested wavelength range, the curve can be g...

12 days ago | 1

Answered
How to stop rounding values when i use array?
The values in your array (a) are not rounded, they are only rounded in the display of them. To see the actual values, change for...

12 days ago | 0

Answered
convert image matrix to row vector
yourMatrix(:)';

12 days ago | 0

Solved


Consecutive Equation Times (of the day)
Many times throughout the day can represent mathematical equations. In this problem, we focus on the largest consecutive run of ...

13 days ago

Solved


Equation Times (of the day)
Many times throughout the day can represent mathematical equations. In this problem, we focus on times that include the four bas...

13 days ago

Solved


Draw Letter 'L'

13 days ago

Solved


center of mass
R is a given matrix with size [n,2]. R(i,:) is interpreted as the 2D-position of a mass point with mass i. Calculate the center ...

13 days ago

Solved


Bernoulli's Equation
Bernoulli's equation states that for an incompressible fluid the following summation is constant across the flow: v^2/2 + g*z + ...

13 days ago

Answered
Trying to solve a four variable equation for a range of values
If you want all possible combinations, then use ndgrid. Z0=1.5; Fmin=0:10; Rn=1:20; gammas=-10:1; gammopt=13:.1:20;%I have ...

13 days ago | 0

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