# KSSV

https://sites.google.com/site/kolukulasivasrinivas/

Professional Interests: Mathematical Computing

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combined Filled area and contour plotting

Refer here: https://in.mathworks.com/matlabcentral/answers/412639-creating-surface-plot-from-a-matrix-with-3-columns

3 hours ago | 0

Change the value in multiple text file?

You need not to take a loop, you can straight away use the logical indexing. ZEE=xlsread('zee.xlsx','Area','B2:MP138'); ZEE=Z...

14 hours ago | 0

Generate training progress plot from saved trained model

[testnet,traininfo] = trainNetwork(augimdsTrain,lgraph,options); save('data.mat','testnet','traininfo') traininfo has the deta...

16 hours ago | 0

Is it possible to create a road at once in shp file data?

S = shaperead(filename) ; P = [[S(:).X]' [S(:).Y]'] ; plot(P(:,1),P(:,2))

16 hours ago | 0

Creating hourly average data with geographic coordinates to produce 3D matrix

T = readtable('New Text document.txt') ; t = T.hour ; lon = T.lon ; lat = T.lat ; temp = T.temp ; [c,ia,ib] = uniqu...

1 day ago | 0

how to plot by varying initial conditions

function myfun() %plot n vs x n vs y R = cell(10,1) ; figure hold on for n=1:10 [t,r]=ode45(@fn,[0 140],[0.01+n 0.01 ]) ;...

1 day ago | 0

scatter3 color projection

clc; clear all ; load('test_data.mat') x=test(:,1); y=test(:,2); z=test(:,3); figure scatter(x,y,1000,z,'s','filled'); ...

1 day ago | 0

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How to make scatter

Fit striaght line to the given data using polyfit. Plot the line using plot function. Use hold on Plot the given data using ...

2 days ago | 1

2D Colored Plot

You can get the indices of the required values and plot them with different colors. x = 0:.05:2*pi; y = sin(x); figure hold...

3 days ago | 1

How to search closest coordinate values in a Lat Long Z data

Read about knnsearch. https://in.mathworks.com/help/stats/knnsearch.html

3 days ago | 0

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 =...

4 days ago | 0

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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...

4 days ago | 0

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:...

4 days ago | 0

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) ; ...

4 days ago | 0

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.

4 days ago | 0

what should I include in the code that read the data from specific sheet of excel file

T = readtable('myfile.xlsx','Sheet','1');

4 days ago | 0

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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,...

4 days ago | 0

replace array value with if condition

Let A be your array. A(A>=5) = 5 ; A(A<4) = 2 ;

4 days ago | 0

Create a graph from 2 vectors and a matrix

Read about pcolor and surf. pcolor(X,Y,Z') shading interp colorbar

4 days ago | 0

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: ...

4 days ago | 0

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to compare two matrix element by element

You can use inequalities straight away. idx = A>B ;

5 days ago | 0

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...

5 days ago | 1

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(...

5 days ago | 0

How to concatenate strings

str = 'Matlab Is Fun' ; iwant = cellfun(@(v)v(1),strsplit(str))

5 days ago | 0

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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...

6 days ago | 0

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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-...

6 days ago | 0

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...

7 days ago | 0

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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')

7 days ago | 0

MAE and RMSE in percentage

MAE_Perc=mae((True-Predict)/.True); % <-- bracket needed here RMSE_Perc=sqrt(mse(Tru-Predict)/.True);

7 days ago | 0