Community Profile

# KSSV

Last seen: Today 2011 年からアクティブ

Programming Languages:
Python, MATLAB, Fortran
Spoken Languages:
English, Hindi, Telugu
Professional Interests:

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Animate a line in polar coordinates
In your case r is comlex number which is not allowed. You need to get r as shown below. theta = 0:0.001:2*pi; R = 1 ; x = R...

How to discretize the color in contour bar at smallest possible range?
% Make data for demo [X,Y,Z] = peaks ; vals = [0.000 0.005; 0.005 0.009 ; 0.01 0.05 ; 0.05 0.1; ...

3日 前 | 0

How to plot the graph for a given signal over a range of frequency
w = [0 pi/8 pi/4 pi/2 pi] ; n = 1 ; x = cos(w*n) ; plot(w,x)

3日 前 | 0

How to convert cell char array in Table With Column
You can use regexp to extract the data. load('Data.mat') [m,n] = size(Datawebsite) ; predictedClass = cell(m,1) ; maximum...

4日 前 | 0

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Using masking and native string functions to find the longest word in a string.
str = 'Today is a good day' ; s = strsplit(str) ; L = cellfun(@length,s) ; [val,idx] = max(L) ; longest_string = s{idx} ; f...

4日 前 | 1

Maximum perpendicular distance between lines
You have to use the foot of the perpendicular formula. clc; clear all ; x = [120 150 180 210 240 270 300 330 ...

5日 前 | 0

Indexing in complex cell arrays
% Make dummy data for demo a = cell(10,1) ; for i = 1:10 m = randsample(5:10,1) ; b = cell(m,1) ; for j = 1:m...

5日 前 | 0

Generate a Random Point inside a box/plane
A = [0 0] ; % (p,q) B = [1 1] ; % (x,y) a = 50; b = 100; r = (b-a).*rand(1000,1) + a; x = (B(1)-A(1))*rand(100,1)+A(1) ; ...

5日 前 | 0

How to plot This graph in matlab?
I have shown one plot for you reference. You may extend the same to others. x=1.0:0.1:3.0; y=-2.03*10^-3*x.^2+5.76*10^-3*x+1*...

5日 前 | 0

Expected a scalar value. This expression has size [:? x 1].
Try this: % Sample Code tol = 10^-3 ; % can be changed idx = find(abs(sample.data1-values)<tol) ; max_index = idx(1) ;

5日 前 | 1

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Fisher Discriminant analysis - issues with classes
You should use: % Compute mean of each class mu = zeros(k,C); % k = 3 i.e. number rows and C is number of classes i.e.5 for...

5日 前 | 0

How to check whether point is inside high dimensional convex hull?

6日 前 | 0

Extract area of matrices (lat, lon, data) by shapefile. "Requested array exceeds the maximum possible variable size."
You need not to use meshgrid. Already your lon, lat values are in meshgrid. Remove these lines: lat = %MyLat 8000x8192; lon = ...

6日 前 | 0

extractin values from a struct that is in a table
rain = data.rain ; iwant = zeros(length(rain),1) ; for i = 1:length(rain) if ~isempty(rain{i}) iwant(i) = rain{...

6日 前 | 0

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Find unknowns from inequations

6日 前 | 0

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How to find first 10 minimum values in a table array?
You can sort the array you want and arrange the other arrays/ table into that order. You can pick the first whatever number you ...

7日 前 | 0

How do I plot values taken from a for loop function?
clc B0=-0.00356616 ; %Lapse Rate T0=518.67 ; B=B0 ; %Lapse Rate a=0.1:36089.2 ; %Altutude in ft T...

8日 前 | 0

A general question about syntax regarding an Excel file's rows and columns in MATLAB
T = readtable(file,'HeaderLines',1) ; data = table2array(T) ; m = mean(data) [SL: fixed typo]

8日 前 | 0

Filling area common to two inequalities?
clc; clear all; E11=0.041057; E12=-0.117734; E21=0.029952; E22=-0.042564; A=[1 -E22/E11]; D0=E11*E22-E12*E21 ; ...

10日 前 | 0

Approximate Value Using Taylor Polynomial
syms x f = (sin(x).^2).*(cos(x)) T = taylor(f,x,'order',10) double(subs(T,5))

10日 前 | 0

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Index in position 2 exceeds array bounds. Index must not exceed 1. Error in refPose = data.ActorSpecifications(1,46).Waypoints;
Change this line: refPose = data.ActorSpecifications(1,46).Waypoints; to refPose = data.ActorSpecifications(46,1).Waypoints;

12日 前 | 0

reshape help doing PCA when all images contained in one .mat file
Your X data is of size 3240X20, you cannot reshape its each column to size 64X56..because 64X56=3584~=3240. So you need to use y...

12日 前 | 0

txtFiles = dir('*.txt') ; N = length(txtFiles) ; for i = 1:N T = readtable(txtFiles(i).name) end

13日 前 | 0

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3D matrix transpose and dimensioning
% Data for demo A{1,1} = rand(3,3,3) ; A{2,1} = rand(3,3,3) ; A{3,1} = rand(3,3,3) ; A{4,1} = rand(3,3,3) ; A % Conversio...

13日 前 | 1

How can I split the excuation of multiple for loops ?
for k = 1:10 for i=1:5 X1(i) = do some calculation X2(i) = do some calculation end en...

13日 前 | 0

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Hello, I've got the problem. Can any one help me with that error?
It looks there is some problem with conditions. Check the conditions. Without the conditions it is working fine. syms x(t) Dx...

13日 前 | 0

How to name axes from the script
plot(rand(1,10)) labelx = input('Input Xlabel:') ; labely = input('Input Ylabel:') ; xlabel(labelx) ylabel(labely)

14日 前 | 0

how can I calculate A^n when n is a symbolic positive integer?
A = [1/2,1/2,0,0;1/2,0,1/2,0;1/2,0,0,1/2;0,0,0,1] syms n positive integer A.^n

14日 前 | 0

Find the minimum and maximum value of internal intervals in an array
clc; clear all ; array = [1 2 3 NaN NaN NaN -1 0 5 NaN 0.25 NaN 5 6 7]; M = array' ; idx = isnan(M); ...

16日 前 | 1

Find coordinates of point on original image after using interp2
A=round(rand(10).*10); [nx,ny] = size(A) ; [X,Y] = meshgrid(1:ny,1:nx) ; [x_a,y_a] = meshgrid (linspace(1,10,8),linspace(1...

16日 前 | 0