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**Content Feed**

Cannot plot the full interval

You converted H_climb & H_cruise from [feet] to [m] by multiplying the value by 0.3048. However, there is no such conversion fo...

5 jours ago | 1

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log2() only works with double types?

Check MATLAB documentation and this fucntion log2 supports type single or double as the input argument type.

environ un mois ago | 0

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y axis values - change the display

Modify the yticklabel as follows: % plot something ax = gca; yticklabels(arrayfun(@(x) sprintf('%d',x),ax.YTick,'uni',0))

environ un mois ago | 0

Using figure to change to fullscreen size then save it as png

Try the following for the figure you want to enlarge: fig1 = figure(1); fig1.WindowState = 'maximized';

environ un mois ago | 0

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Radially plot ROIs on image

Try using function cart2pol, following is an example clear; clc; Ny = 1000; Nx = 1000; Nz = 30; ...

2 mois ago | 0

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What's the problem here?

function im2gray does not accept the jpg image, it accepts the image in pixel values Try the following: pic = imread('good_day...

2 mois ago | 0

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Figure with 17x17 subplot

Another option is use function tiledlayout tiledlayout(17,17,'TileSpacing','none','Padding','none'); nexttile

2 mois ago | 0

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How to read specific sheet from an excel file using readcell?

Try the following for an excel file name 'demo.xlsx', and sheet name 'Signals'. It is the same for readtable or readmatrix. re...

2 mois ago | 1

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My frequency plot isn't showing anything

The idexing for frequency and residual torque, variable w and S starts from 1 to 1000 and from 2 to 11 resepctively. So I think...

2 mois ago | 0

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Add '_max' to odd variable names and '_min' to even ones.

Suppose the table is called T, then try the following: T.Properties.VariableNames(1:4) = {'t_max','t_min','ang_azi_max','ang_az...

2 mois ago | 0

How do a cell2mat conversion for a non-uniform cell to a matrix

Do it in several steps as follows: idx.size = cellfun(@length,DD); idx.padded = max(idx.size)-idx.size; DDpadded = cellfun(@(...

2 mois ago | 1

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Differentiate between oval and circle shaped images using MATLAB

You may try function bwconvhull by adding the following 2 lines. However, I am not sure how robust it is for other pictures. B...

2 mois ago | 0

how to join the values of different cells in different columns in one cell ?

Suppose you read the file using function readtable and the name of the table is T, then variable C in the following will give yo...

2 mois ago | 0

How to change the color of my plots

Just put the color code for the markers. May try the following: for n=.3*N:N x=(1-d).*x.*exp(a.*(1-x).*((x/0.2)-1))+d.*y.*...

2 mois ago | 0

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Fix "index exceeds number of array elements"

j is going to be the index and hence theta_x should not be use Try the following: for j=1:length(theta_x) s(j)=L1(j)^2+L2...

2 mois ago | 0

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How to use writematrix to create a single xlsx file with multiple sheets with name of the analysis file?

Use function <https://www.mathworks.com/help/matlab/ref/fileparts.html fileparts> to extract the name instead of the entire file...

3 mois ago | 1

find ID's of repeated values in array

You may use a for loop as follows: idx = zeros(1,length(t1)); for k = 1:length(t1) idx(k) = find(ismember(t2,t1(k))); en...

3 mois ago | 0

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cration of contents inside the cell array of uniform size

May try the following to add NaN to the new rows load('data.mat'); addrow = cellfun(@(x) 8-size(x,1),Data,'uni',0); result = ...

3 mois ago | 0

Why is it not working?

Index jj is not defined inside the for-loop, i guess the code should be modified as the following for ii=1:26 for jj = 1:2...

3 mois ago | 0

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Index in position 2 exceeds array bounds (must not exceed 1) ?

One of the input argument is variable 'c' and you use the same name again for the size of variable 'a' and hence gives you an er...

3 mois ago | 1

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Area fill under a curve

Check the MATLAB documentation about area. w is a function handle and it is not supported. Try the following: x=linspace(0,2*...

3 mois ago | 0

Separate 24 digits single array of data loaded from file into 6 different arrays

Try the following by converting the text using function num2cell. clear; clc; fid = fopen('data.txt'); d = textscan(fid,'%s')...

3 mois ago | 0

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Edge detection in gradient images

Try Otsu's method rawdata=imread('capture 1.png'); I = rgb2gray(rawdata); level = graythresh(I); BW = imbinarize(I,level); ...

3 mois ago | 1

what happened to my install ?how to solve this proplem?

If your installation runs on WIndows, please check whether you have adminstrator right or not. On the other hand, you may refer...

3 mois ago | 0

Plot 3D surface from Excel .csv File

You may extract the data using function readmatrix. clear; clc; rawdata = readmatrix('data.csv'); x = reshape(rawdata(:,1),[]...

3 mois ago | 1

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How to write new data to the existing excel file?

You may replace the entire loop by using 'Append' as follows: writetable(T,'Results.xlsx','UseExcel', true, 'WriteMode','Append...

3 mois ago | 0

Plots with different colors

Put the index and hold on inside the loop figure(1) for i=1:length(Re) if Re(i) < 2*10^3 loglog(Re(i),f(i),'xb','Lin...

3 mois ago | 0

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How can I set the colorbar for a specific series of value ?

Adjust the Limits and Ticks as follows: cb = colorbar cb.Limits = [300 2100]; cb.Ticks=300:300:2100;

3 mois ago | 0

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Best fit line in log-log scale

Like this? p=polyfit(log(X),log(Y),1); y=polyval(p,log(X)); figure(1) loglog(Re,f,'x','LineWidth',1) hold on loglog(X,exp(...

3 mois ago | 0

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How to sort a 3D matrix according to the value of each element?

If I understand correctly, you would like the larger value(s) in the last rows and the largest one on the bottom right hand cor...

3 mois ago | 0