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How to solve this error?
The error is clear. It seems you have an array of size 1x17 and you are trying to extract elements more than present in it. % ...

4 years ago | 0

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Vectors must be the same length
p1=plot (Distanz(i,:) , [Z(i,:) ; HQextrem(i,:); HQ5000(i,:); HQ10000(i,:)]);

4 years ago | 0

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How can i automatically Fill Legend using Cluster Number (K-means)
%Read Dataset %Find the Optimal Clusters for this dataset eva = evalclusters(dataset,'kmeans','silhouette','KList',[1:10]) K=...

4 years ago | 0

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how to make figure that shown below
load('aaaa.mat') ; time = aaaa(:,1) ; ttt=(time/60); % Set the time in minutes for figures % Rescale the time to look ...

4 years ago | 0

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Answered
How do I print a given martix in a spiral matrix scan order but the start from any element as user defined?
This might help you: https://in.mathworks.com/matlabcentral/answers/466188-how-do-i-generate-a-spiral-matrix-which-starts-from-...

4 years ago | 0

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'equal' operator does not work on tables
You need not to un a loop. You can get it with one go using ==. Let T1, T2 be your tables, and you want to comapare 9 the column...

4 years ago | 0

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Extract 2D matrix from 3D matrix
Read about slice

4 years ago | 0

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Asking the user to enter the extension of the files and load all of them in the current directory
files = dir('*.txt') ; filenames = {files.name}

4 years ago | 0

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Maths Solution to a equation
syms n eqn = cos(0.8)^n == sqrt(2) ; s = solve(eqn,n) vpa(s)

4 years ago | 0

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Answered
ODE45 needs column vector from anonymous function
options = odeset('RelTol',1e-4,'AbsTol',1e-2); yprime = @(x,y) ((-x.*y)/(sqrt(6-(y.^2)))); Y = [0.5 1.0 1.5 2.0]; tspan = [...

4 years ago | 0

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I want to store multiple entries in one location in matrix
You can save them into a cell array. Read about cell. % Dummy data demo A = cell(2,3) ; for i = 1:2 for j = 1:3 ...

4 years ago | 0

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I want to create a 2D scatter plot with loops
[X,Y] = meshgrid(0:40,0:50) ; scatter(X(:),Y(:),[],Y(:)) scatter(X(:),Y(:),[],X(:))

4 years ago | 0

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How to get only random samples which are in allowed range and reject the rest?
idx = [0 0 0] ; while nnz(idx)~=3 u = rand(3,1)-0.5; y = - 10 * sign(u).* log(1- 2* abs(u)); idx = y ...

4 years ago | 0

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Adding every loop a matrix from the right side to a matrix
A = [1,2;3,4] ; B = repmat(A,1,2)

4 years ago | 0

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Accessing data within a structure
iwant = angles.LkneeAngles

4 years ago | 1

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An error in my code
syms x f = atan(x) ; t = taylor(f,x,0,'order',5)

4 years ago | 0

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Strings from Loop to array
Parameter1 = 5 ; Parameter2 = 5 ; Name = cell(Parameter1,Parameter2) ; for i=1:Parameter1 for j=1:Parameter2 ...

4 years ago | 0

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How to crop the ROI of a set of dicom images?
Read about imcrop, imcrop3. You can achieve it by providing the vertices of ROI.

4 years ago | 0

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How to extract consecutive numbers from array of integer numbers?
Read about reshape load('array.mat') orbit = reshape(array,[],length(array)/200) ;

4 years ago | 1

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Answered
How can I zoom into my plot function to a -4 to 4 "interval".
v1 = [1 -2 -5 6]; v2 = [-100 : .1 : 100]; y = polyval (v1, v2); plot (v2, y) xlim([-4 +4])

4 years ago | 0

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Solving a polynomial function using the solve function is not working
Read about roots p = [1 -2 -5 6] ; r = roots(p)

4 years ago | 0

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Mapping toolbox: irregular measured geo referenced data into regular grid
You can interpolate the data into a regular grid. Read about interp2

4 years ago | 0

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Problem with adjusting axis limits in surface plot
Use zlim as well. zlim([-3 3])

4 years ago | 0

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Answered
how to differentiate this function
syms ph(t,z,zr,r,r0,f) a(r,f,r0,ph) ph = t-z+2*tan(z/zr)-(z/zr)*(r/r0*f)^2; a = r*exp(-r^2/r0^2*f^2)*cos(ph); dphdr = dif...

4 years ago | 0

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How do I add columns of data to an array in a for loop?
In the line where it throws error, you are trying to save a 6x1 array into a single element 1x1; which you cannot. Check the bel...

4 years ago | 0

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Answered
Coordinates/values around number in array
If (i,j) is the index of number 2; then the nearest elements to it will be (i-1,j),(i+1,j),(i,j+1),(i,j-1),(i+1,j-1),(i+1,j+1),(...

4 years ago | 0

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solve a symbolic system of simultaneous matrix equations
P=[0,1,0;1/3,1/3,1/3;0,1,0]; [V,D]=eig(P); disp([V,D]); A=sym('A', [3 3]); B=sym('B', [3 3]); C=sym('C', [3 3]); I=eye(3);...

4 years ago | 1

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Answered
Error using vertcat Dimensions of arrays being concatenated are not consistent.
Becareful while leaving space between terms in the array. function [time,state_values]= mathematical %%Initial value...

4 years ago | 0

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what is the problem in my code to find te value of the derivative of f at the given point x=sqrt(1/2)
You should replace f with: f = @(x) asind(x) ; % anonymous function Presently now you are accessing it with the values, which...

4 years ago | 0

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Answered
How to find indices where there is a minimum?
A = [1 2 3; 5 8 1; 3 0 1] ; [val,idx] = min(A,[],2) ; iwant = full(ind2vec(idx'))

4 years ago | 0