# KSSV

Last seen: Today 2011 年からアクティブ

Followers: 9   Following: 0

Programming Languages:
Python, MATLAB, Fortran
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English, Hindi, Telugu

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#### Feeds

Data Reshape for Contour Plot

35分 前 | 0

how to delete the files in a folder using matlab?

If f1(x,y)≤z≤f2(x,y), how to draw the range of z?
x=-5:0.1:5; y=-5:0.1:5; [m,n] = meshgrid(x,y) ; z1 = m.^2+n.^2; z2 = 3*m.^3+n.^2+1 ; surf(x,y,z1,"EdgeColor","none")...

8日 前 | 0

Vectorize scalar and colon
A = zeros(6,10) ; A(:,1:3) = 1 ; A(4:6,4:5) = 1;

21日 前 | 0

Pearson correlation graph between variables
clc; clear ; R = zeros(6,1) ; for i = 1:6 X = rand(100,1) ; y = rand(100,1) ; R(i) = regression(X',y') ; ...

21日 前 | 0

how to plot from .csv file?

Multiple text entries over plots
You can use the text to add the strings. You need to specify the position where you want to place the string. You may find centr...

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How to Extract photos at Each frame from a Video in MATLAB?
vidObj = VideoReader('C:\Users\Public\Videos\Sample Videos\Wildlife.wmv'); numFrames = 0; while hasFrame(vidObj) F = read...

Interpolation of two-dimensional within a given space window

copping grayscale image and remove any other borders or details

Script has no errors, but no plot is given
% Constants hbar = 1.0545718e-34; % Planck's constant m = 9.10938356e-31; % Electron mass l = 1; % angular momentum quantum...

2ヶ月 前 | 0

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Index in position 1 is invalid. Array indices must be positive integers or logical values.
You need to proceed like this: tic % Specifying the length of the array N = 1000; % Making phi and theta array lengths th...

2ヶ月 前 | 0

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How to move colorbar in scatter3 plot and keep it inside the figure
You need to play with the position. cb.Position = [x y L w] ; The position have the details of position (x,y) of the colorbar...

3ヶ月 前 | 0

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How do I plot a polynomial equation and set of x-y coordinates on the same graph?
x = [2 5 8 11 14 20]; y = [0.20 0.29 0.44 0.50 0.66 0.56]; p = polyfit(x,y,3) ; yi = polyval(p,x) ; figure hold on plo...

4ヶ月 前 | 0

How can I perform time averaging of a signal acquired with an accelerometer?

5ヶ月 前 | 1

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ヶ月 前 | 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ヶ月 前 | 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ヶ月 前 | 0

Extracting Histogram data for plot generation
h = histogram(rand(100,1)) data = h.Data ; BinEdges = h.BinEdges ; Values = h.Values ;

5ヶ月 前 | 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...

6ヶ月 前 | 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)

6ヶ月 前 | 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 ; ...

6ヶ月 前 | 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(...

6ヶ月 前 | 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...

6ヶ月 前 | 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

6ヶ月 前 | 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...

6ヶ月 前 | 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)) ; ...

6ヶ月 前 | 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. ...

6ヶ月 前 | 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)+(...

7ヶ月 前 | 0

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