KALYAN ACHARJYA
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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 días hace | 0
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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(...
12 días hace | 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 días hace | 0
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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...
24 días hace | 0
Solving trigonometric equation.
You are suggested to go through MATLAB Onramp- https://www.mathworks.com/learn/tutorials/matlab-onramp.html Seems like homewor...
24 días hace | 0
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Cropping an image with coordinate values
[rows,colm]=find(image==1); Get the indices as rows & colm
25 días hace | 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)
alrededor de 2 meses hace | 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...
alrededor de 2 meses hace | 0
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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 = ...
alrededor de 2 meses hace | 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 meses hace | 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...
2 meses hace | 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,...
2 meses hace | 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 meses hace | 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 meses hace | 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...
3 meses hace | 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 meses hace | 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 meses hace | 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 meses hace | 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 meses hace | 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 meses hace | 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 meses hace | 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...
3 meses hace | 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...
3 meses hace | 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 meses hace | 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 meses hace | 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 ...
3 meses hace | 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 meses hace | 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 meses hace | 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 meses hace | 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...
3 meses hace | 0
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