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KSSV


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7.916 total contributions since 2011

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

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Answered
plotting 2 graphs on the same axes
Read about hold on. plot(rand(1,10)) hold on plot(rand(1,10))

circa un'ora ago | 0

Answered
how to find values of y for a given x when both are arrays?
Let (x,y) be data you have. And you want to find yi for given xi. For this you have to do interpolation. Read about interp1. yi...

circa 3 ore ago | 0

Answered
Make series in matrix
x = 1:5 ; p = 1:5 ; A = x'.^p ; %% A = repmat(x,5,1) ; B = (A'.^p)'

circa 4 ore ago | 0

| accepted

Answered
what is wrong?
x=-3:0.1:3 y=sin(x).*cos(2*x)+1 ; % element by element multilication plot(x,y)

circa 4 ore ago | 0

Answered
Randomly Shuffle X and Y
Read about randperm. y = 1:5 ; n = length(y) ; idx = randperm(n) ; y(idx)

circa 7 ore ago | 0

Answered
Seek: more efficient implementation
function H_L1 = H2_GFL(N, max_periods) num_rows = max_periods * N; H_L1 = zeros(num_rows, 2, N); rand_supply = rand(num_ro...

circa 9 ore ago | 0

Answered
how can i generate 4 nodes lie in a straight line, and how to find midpoint between first and last point. Thank you
You need any two points to get a striaght line. So I am selecting two random points to plot a line here. % Random points to pl...

circa 11 ore ago | 0

Answered
Generate Specific noise(i.e. 60 or 70 Hz) Matlab
L = 60 ; % Length in sec f = 60 ; % Frequency in Hz...

circa 12 ore ago | 0

Answered
Interpolation and curve line
x=[-5 -4 -3 -2 -1 0 1 2 3 4 5]; y=[0 .254 .508 .762 1.016 1.27 1.016 .762 .508 .254 0]; % Interpolation xi = linspace(min(x...

circa 12 ore ago | 0

Answered
How to plot min and max values on graph
X = 0:0.1:10; Y = (X.^(1.01))+4*cos((3/4).*X.*pi) - 2*sin((2/3)*pi.*X)-0.25; % min [val0,idx0] = min(Y) ; % max [val1,id...

circa 23 ore ago | 0

| accepted

Answered
loop to count amount sin(x)>0.5 when 1>x>1000
To get what you want loop is not required. x = linspace(1,1000,10^5) ; y = sin(x) ; nnz(y>0.5) If you want loop: % loo...

circa 23 ore ago | 0

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Answered
Can you solve this??
You can read about roots, solve. I suggest you to read the function roots.

1 giorno ago | 0

Answered
Subscript indices must either be real positive integers or logicals.
clc close all clear all n=5; axis([0 100 0 100]) [p]=ginput(n) c=[]; f=[]; T=0:0.0001:1 ; for i = 1:length(T) % change...

1 giorno ago | 0

Answered
How to reshape and rearrange a matrix in a specific way
If A is matrix. USe iwant = A(:) Example: A = [0, 0; -0.001, 0; 0, 0.02] ; A = A' ; iwant = A(:)

1 giorno ago | 0

| accepted

Answered
how to empty cell from excel and [] those bracket also
If C is your cell array..to remove empty cells: C = C(~cellfun('isempty',C)) ;

1 giorno ago | 0

Answered
Index exceed number of elements when using data from an excel table
for i=1:length(t) fprintf(' %12s ',t{i}) end for i=1:length(p) fprintf(' %15s \n ',p{i}) end

1 giorno ago | 1

| accepted

Answered
How to solve a nonliner equation ?
If you want o find the intersection, you can use this: https://in.mathworks.com/matlabcentral/fileexchange/22441-curve-intersect...

1 giorno ago | 0

Answered
How to concatenate matrices to calculate mean
Let A be your matrix.....use iwant = mean(A,3) ;

1 giorno ago | 0

Answered
Find minimum points matlab
subs(d1,res) You will get it as zero.....so the value x = 2 is a root to d1. Also your d1 = 2*x-4. On solving manually 2*...

1 giorno ago | 0

Answered
how to count the number of terms in syms
You can get the number of sym variables present in the work spce using: s = whos ; iwant = nnz(strcmp({s(:).class},'sym'))

1 giorno ago | 0

Answered
basic error, help me
x = linspace(20,100000); y = 20*log10(1./(1+(2*3.14*x*985.1*(59*10.^-9)-(985.1./(2*3.14*x*(4.7*10.^-3))).^2).^0.5)); plot(x,y...

1 giorno ago | 0

Answered
How to write a script function matlab called myflip?
x = rand(1,10 ) ; xr = x ; n = length(x) ; for i = 1:n i xr(i) = x(n-i+1) ; end xr

1 giorno ago | 0

Answered
How to extract data from 3D matrix using shape file
Your lon, lat are already matrices...you need not to use meshgrid. You are creating unnecessary data. lon = squeeze(filelon) ;...

1 giorno ago | 0

Answered
colorplot of 3 columns
x = A(:,1) ; y = A(:,2) ; z = A(:,3) ; %%structured xi = unique(x) ; yi = unique(y) ; [X,Y] = meshgrid(xi,yi) ; Z = reshape...

1 giorno ago | 0

Answered
Triangular plot, Plotting, MATLAB, Ternary plot, color plot, Contour map
Let A be your m*3 column array. Try this: x = A(:,1) ; y = A(:,2) ; z = A(:,3) ; %%structured xi = unique(x) ; yi = unique...

1 giorno ago | 0

Answered
Error: Unable to perform assignment because the left and right sides have a different number of elements.
for a = 1: (N-1) vf(a+1) = ((-g)+((p-A*a)*(vol*g)/m)-((b*vf(a))/m))*dt+vf(a); end

1 giorno ago | 0

Answered
calculating simple 2 equations with matlab. give me matlab code please~~
That is pretty simple.....I will give some demo example..you have to extend it to your case. Say got give f I want to find y =...

2 giorni ago | 0

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Answered
matrix dimensions are not equal
Read about strcat. If str is your string of size 1*2...to append zero at tne end use: iwant1 = strcat(str,'0') % option 1 i...

2 giorni ago | 0

Answered
How to compare two variables data by using ifelse? if both variable contain same number and length of data, so condition becomes true it should perform desired functionality.
Read about isequal. a = -6:6; b = -3:3; c = 0:6; d = 0:12; % data = [-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6] % user selected dat...

2 giorni ago | 0

| accepted

Answered
Simple question loop for
Lear debugging code. It will be help ful for you and easy. https://in.mathworks.com/help/matlab/matlab_prog/debugging-proces...

2 giorni ago | 0

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