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**Content Feed**

How to read '.webp' image file

This option! Save in the web & you can try using complete web path Reference : Link https://in.mathworks.com/matlabcentral/a...

12 dagen ago | 0

| accepted

Why doesn't it work ?

s = 1.25; t1 = 0:0.01:pi/2; t2 = pi/2:0.01:pi; t = [t1 t2]; x1=4*sin(2*t1).*sin(2*t1).*exp(-(t1/s))+2; x2=4*sin(2*t2).*sin(...

13 dagen ago | 0

error on piecewise 'First argument must be a condition.'

As per the syntax definition of the piecewise funtion piecewise(condition, value, condition, value....) In the above code SN...

13 dagen ago | 0

| accepted

Finding a certain random value in which row and how many times has been appeared

This is a Matlab forum, Matlab answer, try to replicate in other langauges- rand_data=randi([0 20],[1, 20]) num=input('Enter a...

25 dagen ago | 0

Solving trigonometric equation.

You are suggested to go through MATLAB Onramp- https://www.mathworks.com/learn/tutorials/matlab-onramp.html Seems like homewor...

25 dagen ago | 0

| accepted

Cropping an image with coordinate values

[rows,colm]=find(image==1); Get the indices as rows & colm

26 dagen ago | 1

How can I merge the matrices that produce different dimensions in the loop

#Example data_store=cell(5,1) for i=1:5 data=rand(i,3) data_store{i}=data; end dat=cell2mat(data_store)

ongeveer 2 maanden ago | 0

Taking one figure out of a thousand figures

You can do that in multiple ways, easiest way Save the all data points in cell array { } Once the plots done and exited from f...

ongeveer 2 maanden ago | 0

| accepted

hold on producing separate graphs

Remove all "figure" statements, also one hold on is sufficient. Same Figures: x = I y1 = 4*I.^20 hold on plot(x,y1) x = ...

ongeveer 2 maanden ago | 0

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]}; ...

2 maanden ago | 0

| accepted

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...

2 maanden 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,...

3 maanden 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...

3 maanden 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,...

3 maanden ago | 0

| accepted

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...

3 maanden 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...

3 maanden 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 ...

3 maanden 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...

3 maanden 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...

3 maanden 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...

3 maanden 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...

3 maanden ago | 0

| accepted

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...

3 maanden ago | 0

| accepted

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...

3 maanden 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...

3 maanden 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...

3 maanden ago | 1

| accepted

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 ...

3 maanden 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/

3 maanden 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...

3 maanden 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...

3 maanden ago | 0

| accepted

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...

3 maanden ago | 0

| accepted