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KALYAN ACHARJYA

Last seen: 11 dagen ago Active since 2017

Alma #Tezpur University Assam

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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

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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(...

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

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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...

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

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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

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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 = ...

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

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

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

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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 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

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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 maanden 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...

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

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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 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

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