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**Content Feed**

How to iterate over multiple vectors or using a function to draw multiple vectors without using the same piece of code again and again?

% FEC = 3.8x10^-3 % % For Phi/Psi = +/-10 CoverageArea_mean_10 = {[84.4735,21.1779,6.4247,2.1416],[45.2112,8.8043,1.1898,0]}; ...

19 hours ago | 0

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Any one give me the solution of this question or guide me how to solve this problem.

Is this: Manually as asked for data=randi(255,[3,3]); pad_data=zeros(5,5); pad_data(2:end-1,2:end-1)=data Using function pad...

3 days ago | 0

How to identify sensor patterns?

"The Problem is when i run this code, the count does not increment when the object passes the two sensors" If this is the case,...

15 days ago | 0

how to resize the image

"I would like to increase the size of the image. How can I do that?" imresize https://in.mathworks.com/help/matlab/ref/imresiz...

20 days ago | 0

I would like to create a subfolder without numbering

Just remove %d new_folder = fullfile(folder_DATA, sprintf('%s', name_SF)); If you're generating a single folder, that's fine,...

20 days ago | 0

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Getting following error while making Contourf plot [ Error using contourf Z must be at least a 2x2 matrix]

You may be look for other data visulization options, as its a 3 column data e.g stem3, scatter3 or plot3 In mesh, surface, c...

20 days ago | 0

Generate a state space matrix of longitudinal dynamics of an aircraft and determine it's transfer function

If you check the Transfer fuction MATLAB docs, its clearly states that the values of the "Numerator" and "Denominator" propertie...

20 days ago | 0

generate an x-matrix at every iteration by for loop

for idx=1: 2000 H=sqrt(0.5)*(randn+1i*randn)*(1/sqrt(2)); % my H %cdf=... end #If you wish to save all generated ...

26 days ago | 0

How can I plot this signal?

gm = 0.04; RL = 10000; CL = 10^(-9); f = logspace(-1,2); Av = (-gm*RL)./(1 + RL*CL*f*1i); %magnitude subplot(2,1,1); logl...

26 days ago | 0

extraction of the bright blob

grayImage=imread('image_test11.png'); bw_Image=imbinarize(grayImage,0.99); % Change threshold as per desired output biggestBlo...

26 days ago | 0

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Iterating an equation through a range of values to satisfy a condition

Sufficint Hints: X = 11:increment spacing:15; % Initiate the loop. check the increment spacing Y = 1; V_i = 1; % Random ini...

27 days ago | 0

How to generate H-matrix at every iterations using for loop i

Hint: using For Loop for i=1:5000 H=sqrt(0.5)*(randn+1i*randn)*(1/sqrt(2)); end If you want to store the H in each it...

27 days ago | 0

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histogram from binary image

What does histogram mean: it counts the number of pixels as per pixel values. Binary number has only 0 and 1 pixel, lets have ex...

27 days ago | 0

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Determining pixel clarity in different images

Image clarity and quality is a subjective topics. There are several ways you can evaluate the quality metric of an image. Are yo...

27 days ago | 1

Angle between two 3D vectors

"I need to calculate angles between vector st_direction and each column vector from A matrix, for example:" st_direction =[0.63...

29 days ago | 1

Plotting a multivariable function

a_ft=28000; v_cal=0:500; CaltoTrue(a_ft,v_cal) function v_true=CaltoTrue(a_ft,v_cal) a=a_ft*0.3048; b=-0.0065; R=287.05287...

29 days ago | 1

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Using a nested for loop to create a matrix that square roots positive integers and adds 30 to negative integers.

X=[4,-5,13;19,-13,21;-33,77,144] [r,c]=size(X); Y=zeros(length(X)); for i=1:r for j=1:c if X(i,j)>=0 ...

29 days ago | 0

how to make an image like this in matlab?

Pls refer the Steve Eddins blogs https://blogs.mathworks.com/steve/2015/12/14/image-based-graphs/

29 days ago | 2

Saving images in .FIG format from a source code

for loop i= figure,imshow(Image_file) file_name=['image',num2str(i),'.fig'] savefig(gcf,file_name); % Set an oth...

30 days ago | 0

Make a video from images in while loop

#Ensure that all images having same size & format images_data=dir('*.jpg') ; writerObj=VideoWriter('Video_test.avi'); % Chang...

30 days ago | 0

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I don't know how to add the dots

x = [0 : 0.1 : 12] * pi; y = sin(x); z = cos(3 * x); figure(); plot3(x,y,z, '--d','color','b','markerfacecolor','y','markers...

30 days ago | 0

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Fusion of colour PET /MRI image of brain

Important Note: Color is just an perception (Human Eye), color may vary person to person (minor changes in color contrast) There...

1 month ago | 0

How to merge matrix in a loop?

% Just example A=rand(4,3); B=rand(4,3); C=rand(4,3); D=rand(4,3); data_mat={A,B,C,D}; % Created to handle data easily N=4...

1 month ago | 0

Magic square (( please help))

result=2*magic(3) You have to look for any such possibility for odds too.For any random function or fixed values too, checking...

1 month ago | 0

How to save the values of variables during each iteration(for loop) in a single variable?

If output is numeric use Array output=zero(1,total iteration); % Pre-allocate the variable for iter i=1:... output(i)=....Cal...

1 month ago | 1

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Can anyone check my code please?

Sufficints Hint: You can also do this in efficient way, I have shown work till D1 and D2, try the rest part yourself A1=randi(...

1 month ago | 0

How can I extract the numbers divisible by 3 from the diagonal of a nxn matrix composed of random integers?

n=input('Choose the number of lines and columns of the square matrix: ') A=randi([100,1000], n, n) D=diag(A) mat=D(mod(D,3)==...

1 month ago | 1

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How do you write a function that imports data from an .xlsx file and saves the data as a .mat?

Load the data using readmatrix function https://in.mathworks.com/help/matlab/ref/readmatrix.html data_excel=readmatrix('file_...

1 month ago | 0

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change the color of the pixels that are present in an image

It can be done in multiple ways, use morphological operations or see the regionprops function (very useful). Easyest way for spe...

1 month ago | 0

Exacting a constant range/window of values from a matrix (skipping one cell each time).

data=rand(1000,1); data(25:25:1000)=[]; temp=length(data)/24; cell_data=mat2cell(data,24*ones(1,temp))

1 month ago | 0

| accepted