# KSSV

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

**Programming Languages:**

Python, MATLAB, Fortran

**Spoken Languages:**

English, Hindi, Telugu

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**Feeds**

Rearranging a vector into a matrix according to other two vectors

x = unique(lat) ; y = unique(depth) ; [X,Y] = meshgrid(x,y) ; F = scatteredInterpolant(lat,depth,concentration,'linear','n...

3 dagen ago | 1

how to store total numbers from for loop in variables

x = xlsread('grades.xlsx'); % Initialise all variables to zero fa = 0; pa = 0; cr = 0; di = 0; hd = 0; % Write your cod...

3 dagen ago | 1

Plot time-series data

Let A be your table. wavelength = A(:,1) ; Time = 1:size(A,2)-1 ; data = A(:,2:end) ; h = pcolor(wavelength,Time,data') ;...

5 dagen ago | 0

Extracting Histogram data for plot generation

h = histogram(rand(100,1)) data = h.Data ; BinEdges = h.BinEdges ; Values = h.Values ;

13 dagen ago | 0

Trying to find pi using when loops to a tolerance of 10^-4.

Try somewthing l;ike this: % summation of pi = 4 * (-1^(k+1))/(2*k-1) ; n_digits = 10 ; iteration = 0 ; % starting iteratio...

13 dagen ago | 0

hi how can i evaluate the function below from x=1,x=2 into a step of 0.1 y=x/(x2+1)

x = 1:0.1:2; % Define the range of x with a step of 0.1 y = x./(x.^2 + 1); % Evaluate the function plot(x,y)

13 dagen ago | 0

convert a .mat to excel file

matFiles = dir('*.mat') ; N = length(matFiles) ; T = table; for i =1:N load(matFiles(i).name) ; T.(i) = val ; ...

17 dagen ago | 0

Solving a system of Non Linear Differential Equations

This is the code..I am getting hight values...you may check and modify the code. tspan = [0 1]; y0 = [0 0 100]; sol = ode45(...

17 dagen ago | 0

Why does it give error in spectrogram plotting?

Replace data = @(filename)fullfile('D:\Rahul\Data_tokamak\data&plot\data_paper1\H-mode data\H-mode bistable model\set1_neoAno_r...

18 dagen ago | 0

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Plot a time series plot in customized rectangle

plot(time,pm_1,'b','LineWidth',1); % You may change line width

19 dagen ago | 1

Hi, I'd like to see the temperature on a surface map of lon (-20 20) and lat (-10 10).I'd like to have an idea so that this script gives me a better visual like on the figure?

You need to make the values lying outside the given scattered points to NaN. For outside values, the function will extrapolate w...

24 dagen ago | 0

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fsurf(sym(1), [0 1 0 1], 'y', 'EdgeColor', 'none'), this is fun for z axis , how about y axis?

What you gave is similiar to: x = linspace(0,1,35) ; y = linspace(0,1,35) ; [X,Y] = meshgrid(x,y) ; Z = ones(size(X)) ; ...

24 dagen ago | 1

Using the clear command in functions?

Becuase clc, clear clears your input variables which are saved in the workspace. You need not to use it inside the function. ...

ongeveer een maand ago | 1

Error using surf Z must be a matrix, not a scalar or vector.

You have to use X and Y i.e matrix in the calculation Z. x=(0:0.1:pi); y=(0:0.1:pi); [X, Y]= meshgrid(x,y); Z=(sin(0.3*X)+(...

ongeveer 2 maanden ago | 0

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How to fill/interpolate missing data to nearest geospatial coordinate?

% Prepare dummy data [X,Y] = meshgrid(1:10,1:10) ; Z = rand(size(X)) ; % Make random nan's idx = sort(randsample(numel(X...

2 maanden ago | 0

Loading a .fig file in MATLAB without losing information

h1 = openfig('test1.fig','reuse'); % open existing/ saved figure ax1 = gca; % get handle to axes of figure h2 = figure; % cr...

3 maanden ago | 1

| accepted

How to get the plot x&y when a user clicks on a point I have plotted

REad about getpts

3 maanden ago | 0

I wonder how to make the lines thicker in rlocus graph

sys = tf([2 5 1],[1 2 3]); rlocus(sys) set(findall(gca, 'Type', 'Line'),'LineWidth',5);

4 maanden ago | 0

How to get output of multiple variables in xls

Let the variables be x, y, z. T = table(x,y,z) ; writetable(T,'text.xlsx')

4 maanden ago | 0

FE triangle mesh without the mesh node connections visible

h1 = trisurf(meshConnections, X, Y, Z, permittivity); h1.EdgeColor = 'none' ;

4 maanden ago | 0

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Searching a string on a table to get time

You may try using functions like contains, strcmp T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/...

4 maanden ago | 0

Why dot indexing is not supported for variables of this type using EMD method in MATLAB R2019a version ? What can I do?

It seems IMF is not a sturcutre. Check class(IMF) If it is double. Try max(IMF)

5 maanden ago | 0

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How to plot the graph from the data table as attached.

load matlab.mat ; x = LineProfile.(1) ; y = LineProfile.(2) ; plot(X,y,'r') hold on plot(x,smooth(y),'b')

5 maanden ago | 0

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Matlab Error (Z must be a matrix, not a scalar or vector.)?

P_air = .1:.1:4; alpha = .0125:.0125:.5; [alpha,P_air] = meshgrid(alpha,P_air); T_air_dry = (1/0.0408)*log((0.42*P_air.*(1-al...

6 maanden ago | 1

| accepted

I am having a problem using corelation with table variables.

M(k,p) = corr(data_array1.(1),data_array2.(1)) OR M(k,p) = corr(table2array(data_array1),table2array(data_array2))

6 maanden ago | 1

| accepted

How to assign a mean of a variable to every year ?

T = readtable(myfile) ; [c,ia,ib] = unique(T.(1)) ; % gewt unique values of years N = length(c) ; iwant = zeros(N,2) ; ...

6 maanden ago | 1

Finding the roots for an equation

syms x a eqn = x^4+5*a*x^2+6*a==0 ; s = solve(eqn,x)

6 maanden ago | 0

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Right hand side of an assignment into a table must be another table or a cell array.

bias = table('Size',[1,11], 'VariableTypes', {'datetime', 'string', 'double', 'double', 'double', 'double', 'double', 'double', ...

6 maanden ago | 0

Filtering Values in Matlab in the Same Matrix Size

A = [2 5 8; 2 6 7; 1 9 5] ; A(A<=5) = 0

6 maanden ago | 0

| accepted

How do you plot a line on a function defined by colors?

[X,Y,Z] = peaks(100) ; contourf(X,Y,Z)

6 maanden ago | 0