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# KSSV

Last seen: Today Active since 2011

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

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How to save matrixes resulted from a running loop for further use in MATLAB
Let mxn be your matrix size and you are running loop ntimes. In this case you can save the matrix in the loop using the below co...

40 minutes ago | 0

how i can solve this problem? unrecognized function or variable to run my code
I think this is what you need. % Define the operating frequencies in Hz freqs = linspace(1e9, 6e9, 100); % 100 equally spaced ...

44 minutes ago | 0

how to convert cell to mat
REad about real and imag R = real(htemp); C = imag(htemp) ;

3 hours ago | 0

2D array to 1D with rows appending after another row
A =[1 2 3 ; 4 5 6] ; iwant = reshape(A',1,[])

1 day ago | 1

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how to plot such figure in MATLAB?

1 day ago | 0

Vector plots by Quiver in MATLAB
[X,Y,Z] = peaks(100) ; [u,v] = gradient(Z) ; w = sqrt(u.^2+v.^2) ; pcolor(X,Y,w) ; shading interp ; colormap(jet); hol...

1 day ago | 1

How can I avoid using for loop in this functions
function y=Besselj_approx(n,z) i = n ; y=zeros(1,length(n)); y(1:end)=-z.^2/4+1; y(i>0) = 1./gamma(i(i>0)+1).*(z/2).^i(i>0);...

2 days ago | 0

How do I save a file in excel to matlab current folder?

4 days ago | 0

Given x= rcos(𝛼) ; y=rsin(α); write MATLAB program to plot a circle of unit radius (r=1).
This is a simple homework... You should do it your self. Read about: Linspace for making angle between 0 to 360 i.e. 0 to 2*pi ...

4 days ago | 1

Plotting 3D by rotate 2D plot around y-axis
This might be useful. Checkout: https://in.mathworks.com/matlabcentral/communitycontests/contests/4/entries/4996

5 days ago | 0

Averaging data between two integer and corresponding column of a matrix
A = [1 2 3 4 5 6; 1.234 1.11 1.3 2.31 2.3 2.4]' ; idx = fix(A(:,2))==2 ; mean(A(idx,1))

7 days ago | 0

How to make a linear regression coefficient algorithm
x = 1:10 ; y = rand(1,10) ; [a,b] = linreg(x,y) ; % Check p = polyfit(x,y,1) ; [a b ; p(2) p(1)] function [alpha, b...

7 days ago | 0

How to create a custom colormap ("seismic" from python)
Refer this: https://in.mathworks.com/matlabcentral/fileexchange/45208-colorbrewer-attractive-and-distinctive-colormaps https:/...

7 days ago | 1

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what is the meaning of this error? how to stop this error?
You have copied this function named 'Forward_model' under a script/ code whose file name is also same as the function i.e. Forwa...

10 days ago | 0

Keeping same colors for the same groups in different group scatter plot
P = rand(1000,2) ; x = P(:,1) ; y = P(:,2) ; idx = kmeans(P,4) ; figure h = gscatter(x,y,idx) ; % Get colors C = resha...

11 days ago | 1

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dt = 0.01; t = 4; T = 0:dt:t; % First Quarter r1 = 0:dt:t/4 ; p1 = sin(pi.*r1) ; plot (r1,p1) % Define second Qua...

12 days ago | 0

matlab polyfit multiple sets of y data
Run a loop for each set..... Let y be your mxn data and x be your 1xn data. p = cell(m,1) ; for i = 1:m p{i} = polyfut...

12 days ago | 0

Can't run my 'if, elseif, else' code
score= randi(100); if score < 20 grade = 'D'; elseif score < 40 grade= 'C'; elseif score < 60 grade= '...

13 days ago | 0

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cell array into matrix

13 days ago | 0

Not enough input arguments
f = @(x,y) x.*y + 10*sin(x).*cos(y); x = linspace(0,2*pi) ; y = linspace(0,2*pi) ; [X,Y] = meshgrid(x,y) ; Z = f(X,Y) ; su...

13 days ago | 1

can you help me to solve this equation?
syms x P = sqrt(27.8*exp(5*x)-1) == cos((120*x^2+sqrt(2*x))/(17*x-65))^(-1) ; s = vpasolve(P,x)

21 days ago | 0

Syntax problem with a user-defined function with sine
function r = my_function(thet) r = pi*(3-sin(theta)^5) ; end Save the above, it will be saved on he name my_function.m. ...

25 days ago | 0

Matrix multiplication gives different result than manual dot products with each column
As you are comparing floatting point number, you should not use isequal. You should proceed like shown below: N = 1000; B = 10...

26 days ago | 0

How to plot the streamlines and arrow surface in MATLAB from columns of data?

26 days ago | 0

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trying to align multiple sin waves onto same graph with the period of the wave on the x axis.
Take same time array for all the waves. g = 9.807; T = 11; H = 4; d = 30; CD = 0.85; CM = 1.77; Rho = 1025; D = 1; u =...

27 days ago | 0

Double X-axis(t,p1) and single Y-axis(p2) depending on t

28 days ago | 0

How to apply the same style/color and axes labels to all subplots?
colors = ["k"; "r";"g";"r";"g"]; lines = ["-"; "-";"-";"--";"--"]; tiledlayout(2,2); ax(1) = nexttile ; plot(rand(10,1)...

28 days ago | 1

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Generating lognormal random numbers

29 days ago | 0