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KSSV


Last seen: Today Active since 2011

https://sites.google.com/site/kolukulasivasrinivas/
Professional Interests: Mathematical Computing

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Answered
How to search closest coordinate values in a Lat Long Z data
Read about knnsearch. https://in.mathworks.com/help/stats/knnsearch.html

etwa 5 Stunden ago | 0

Answered
How to set specific colors in horizontal error bars?
h = herrorbar(x,y,z) ; Check the handle h, it has options to change color. You may play around with that. Like: h(1).Color =...

etwa 9 Stunden ago | 0

Answered
how to solve the error "Unable to perform assignment because the indices on the left side are not compatible with the size of the right side"
The error is clear, this error pops out when you are trying to save more number of elements than the initialized array. Exampl...

etwa 12 Stunden ago | 0

Answered
Remake a single file data plot to multiselect file data plot script
Why you want to use uiget ? You can think of the below option. txtFiles = dir('*.txt') ; N = length(txtFiles) ; for i = 1:...

etwa 12 Stunden ago | 0

Answered
Put arrows on a continuous line plot to show direction of evolution
Try this: data = importdata('Quiver_Data.txt') ; x = data(:,1) ; y = data(:,2) ; dx = gradient(x) ; dy = gradient(y) ; ...

etwa 24 Stunden ago | 0

Answered
How to save a plot with multiple overlays as a single variable and/or plot the regression for all points as one line?
Read about function regression to get the regression value and read about plotregression to get the regression plot.

ein Tag ago | 0

Answered
what should I include in the code that read the data from specific sheet of excel file
T = readtable('myfile.xlsx','Sheet','1');

ein Tag ago | 0

| accepted

Answered
Resampling a Vector of a specific length between 0 to 100% (ie 100 points)
load('GRF.mat') x = 1:length(GRF) ; plot(x,GRF) ; xi = linspace(1,length(GRF)) ; GRFi = interp1(x,GRF,xi) ; plot(x,...

ein Tag ago | 0

Answered
how to vectorize squared function
r2 = (X-Y).*L.*(X-Y)';

ein Tag ago | 0

Answered
replace array value with if condition
Let A be your array. A(A>=5) = 5 ; A(A<4) = 2 ;

ein Tag ago | 0

Answered
Create a graph from 2 vectors and a matrix
Read about pcolor and surf. pcolor(X,Y,Z') shading interp colorbar

ein Tag ago | 0

Answered
sorting a matrix of 4 rows by the fourth element and outputting of combinations that make the 4th row element
NOTE: Never use a function name as the variable. You have used length as variable, this is problematic. clc; clear all ; %x: ...

ein Tag ago | 0

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Answered
to compare two matrix element by element
You can use inequalities straight away. idx = A>B ;

ein Tag ago | 0

Answered
Against value plot different value
This is a simple problem, you sould learn about MATLAB basics. This time I am answering your question; next I am not going to he...

ein Tag ago | 1

Answered
combine Latitude and longitude country data from multiple arrays into one array
Let A be your data of size 249*64800 [m,n] = size(A) ; iwant = zeros(180,360,m) ; for i = 1:m iwant(:,:,i) = reshape(...

ein Tag ago | 0

Answered
How to concatenate strings
str = 'Matlab Is Fun' ; iwant = cellfun(@(v)v(1),strsplit(str))

2 Tage ago | 0

| accepted

Answered
Matlab Crashes when paste from excel
Why you want to paste data from excel into MATLAB? You should not do this. You have to load/ read the data from excel into MATLA...

2 Tage ago | 0

| accepted

Answered
How to convert images as array to images and save them in folder
Refer this: https://in.mathworks.com/matlabcentral/answers/362262-i-have-a-32-32-matrix-i-want-to-take-mean-of-each-4-4-so-that-...

2 Tage ago | 0

Answered
How to convert a .mat vector into a .csv file?
To load the matfile data into MATLAB use load. To write that variable into csv file use writetable. Read about both the function...

4 Tage ago | 0

Answered
How to map subdivisions in a squared geometry
x = 1:5 ; y = 1:5 ; [X,Y] = meshgrid(x,y) ; X(3,3) = NaN ; Y(3,3) = NaN ; plot(X,Y,'r',X',Y','r')

4 Tage ago | 0

Answered
MAE and RMSE in percentage
MAE_Perc=mae((True-Predict)/.True); % <-- bracket needed here RMSE_Perc=sqrt(mse(Tru-Predict)/.True);

4 Tage ago | 0

Answered
Scatter plot: dots in two different colors
scatter(pts1, ptcmems700,[],ptcmems700) xlabel('S1 θ (°C)'); ylabel('cmems θ (°C)');

4 Tage ago | 0

Answered
Can anyone help me to rectify this matlab code? i
clc; clear variables; close all; N = 10.^6; d1 = 0.3; %Source to user 1 distance d2 = 1; %Source to user 2 distance ...

4 Tage ago | 0

Answered
concatenating with readtable function
xmlFiles = dir('*.xml') ; N = length(xmlFiles) ; T = cell(N,1) ; for i = 1:N T{i} = readtable(xmlFiles(i).name) ; end...

4 Tage ago | 0

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Answered
Variable lamb1 appears to change size on every loop iteration
You have to initialize that variable before using it in a llop to save/ fill the values. lamb1 = zeros(m,n) ; % specify your ...

4 Tage ago | 0

Answered
Arrangement of real and complex values of a matrix
A = rand(5)+1i*rand(5) ; [m,n] = size(A) ; iwant = zeros(2*m,n) ; iwant(1:2:end,:) = real(A) ; iwant(2:2:end,:) = im...

4 Tage ago | 1

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Answered
Converting .MF4 files into .mat files.
If the function lies in that toolbox then it is mandatory to have that toolbox installed to access the file. If you don't have...

4 Tage ago | 0

Answered
creating a contour correlation plot from 2 existing contourplots
Read about corrcoef. https://in.mathworks.com/help/matlab/ref/corrcoef.html

5 Tage ago | 0

Answered
I find a parse error in this following MATLAB code.
calibration = struct ; calibration.rms = result(0) ; calibration.camera_matrix = result(1).tolist(); calibration.dist_coef...

5 Tage ago | 0

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Answered
could anyone help me how to find the difference between two cell arrays
Run a loop or use: C=cellfun(@minus,A,B,'UniformOutput',false);

5 Tage ago | 0

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