# 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...

5 dagar 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...

5 dagar 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') ;...

7 dagar ago | 0

Extracting Histogram data for plot generation

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

15 dagar 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...

15 dagar 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)

15 dagar 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 ; ...

19 dagar 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(...

19 dagar 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...

20 dagar 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

21 dagar 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...

26 dagar 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)) ; ...

26 dagar 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. ...

ungefär en månad 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)+(...

2 månader 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...

3 månader 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 månader ago | 1

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

REad about getpts

3 månader 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 månader 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 månader ago | 0

FE triangle mesh without the mesh node connections visible

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

4 månader 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 månader 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 månader 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')

6 månader 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 månader ago | 1

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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 månader ago | 1

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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 månader 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 månader 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 månader 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 månader ago | 0

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

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

6 månader ago | 0