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KSSV


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8,697 total contributions since 2011

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

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Answered
Why the for-loop doesn't work here?
You save all the values into an array and plot after the for-loop. %% ------------------------------Program-------------------...

20 minutes ago | 0

Answered
Storage elements from matrix in other one, with indexing.
A = [8 3 0 2 9 6 1 4 10 6 2 1 1 6 2 8 ]; a=2; b=4; [X,Y] = meshgrid([a b],[a b]) ; id = sub2ind(size(A)...

16 hours ago | 1

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Answered
How to merge x and y values to a (x,y) format?
As the dimensions of xi_total and yi_total remain same i.e. 201*1 in the entire loop of length 1:sample; you can save the data i...

17 hours ago | 1

Answered
How to plot a Bar Graph without a uniform spacing on the horizontal axis
You can plot the values by index and show the respective values uisng text. Example: x = [5 10 100 1000] ; y = rand(size(x)...

17 hours ago | 0

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Answered
Input data size does not match network inputs size
Replace the line: net=newff([-1 1], [130,150,1], {'tansig','tansig','purelin'},'traingd'); with: PR = [min(P,[],2) max(P,[],...

18 hours ago | 1

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Answered
How to change output in FOR Loop
X = zeros(12,1) ; for k = 1:1:12 X(k) = find(DateVector(:,2) == k)'; end The above is fine enough. You should go by in...

18 hours ago | 0

Answered
How to compute weighted average
A = [54 50 ; 40 60 ; 30 70] ; A(:,3) = 0.4*A(:,1)+0.6*A(:,2)

19 hours ago | 0

Answered
Preallocating array error problem
You need to initialize the variable before the loop. Initialize using: error_history = zeros([],1) ; Note: Don't show your co...

20 hours ago | 0

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Answered
How to generate random vector with boundary limit and with fixed sum? Also ensure to same value when called the function with same parameters.
rand creates random number every time. If you fix the seed, then you will get the same random number. Read about rng.

21 hours ago | 1

Answered
How do I draw the same graph as the picture?
x1 = [4.158236141 6.153599506 -4.535940798 7.598349019 1.546377884 -1.345068203 9.996482015 -0.173832303 -4.963945249 7.60191503...

21 hours ago | 0

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Answered
How do you get the value for any point on the response plane?
x1 = [4.158236141 6.153599506 -4.535940798 7.598349019 1.546377884 -1.345068203 9.996482015 -0.173832303 -4.963945249 7.60191503...

22 hours ago | 0

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Answered
how to merge two tables with same column names into one table?
T1 = array2table(rand(4,3), 'VariableNames', {'A', 'B', 'C'}) ; T2 = array2table(rand(4,3), 'VariableNames', {'A', 'B', 'C'}) ;...

23 hours ago | 0

Answered
Changing Data in a Table
Name = {'Al Pacino', 'Angelina Jolie','Robert De Niro','Russel Crowe','Kate Winslet','Julia Roberts'} ; Sex = {'M','F','M','M',...

23 hours ago | 0

Answered
calculate the sum of a discert series and then limit the the result
syms k n f = symsum(1/(k+n),k,1,n) s = limit(f,n,inf)

23 hours ago | 0

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Answered
How to create an animation between 2 points
A = [0 0] ; B = [5 4] ; x = [A(1) B(1)] ; y = [A(2) B(2)] ; p = polyfit(x,y,1) ; xi = linspace(x(1),x(2)) ; y...

1 day ago | 0

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Answered
Help with plotting an image on 3D
Try image instead of surf. If you use surf, try reversing the y-axis direction.

4 days ago | 0

Answered
is there a matlab visualiser
Read about debugging a code here: https://in.mathworks.com/help/matlab/matlab_prog/debugging-process-and-features.html

4 days ago | 0

Answered
What does xlim() do in my code and why are its brackets empty?
xlim() The above takes the x-values based on the plot/ the input x you give. It will draw a line along x-axes in the range as t...

4 days ago | 0

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Answered
Which function should I use to fill an ouput matrix based on information in two other matrices
Index = [1 2 1; 5 4 4]; Data = [12 16 10; 13 16 18; 12 11 14; 18 19 22; 23 60 17] ; Output = [12 13 12; 60 19 19] ; iwant = ...

4 days ago | 0

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Answered
Interpolating to latitude, longitude and time
Read about interp1 and interp2.

4 days ago | 0

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Answered
Check if point lies inside error ellipse
REad about inpolygon. This will tell you whether given set of points lies inside the given closed polygon.

4 days ago | 0

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Answered
Continuous Wavelet 2D Plot Help.
Let A be your data matrix. %% Structured grid x = A(:,1) ; y = A(:,2) ; z = A(:,3) ; nx = length(unique(x)) ; ny =...

4 days ago | 0

Answered
How to do spatial correlation
As the data B is at a location......Pick the same location data from the grid 20x25 and then find the corelation. Read about plo...

4 days ago | 0

Answered
How to split 1 matrix into 3 parts
m = 9; % number of rows (should be multiple of 3) n = 10 ; % number of columns p = 3 ; % three parts wanted % Range of ...

4 days ago | 1

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Answered
Delete NaN in arrays in a cell
Let C be your cell array; iwant = C ; for i = 1:length(C) idx = isnan(C{i}) ; iwant{i} = C{i}(~idx) ; end

5 days ago | 1

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Answered
turn a sentence into matrix of words
str = 'I Love MATLAB' ; iwant = strsplit(str)

5 days ago | 0

Answered
MATLAB: Index exceeds the number of array elements (1)
You are trying to extract more number of elements then present in the array. Example: A = rand(1,3) ; A(1) % no error A...

5 days ago | 0

Answered
index in safe-title
saveas(gcf,[title_t{n},'jpeg'])

5 days ago | 0

Answered
Concatenate 3-D matrix in a for loop
A = rand(2,3,4) ; B = rand(2,3,4) ; C = cat(1,A,B)

5 days ago | 0

Answered
How to replace elements in a table using loops or any other method ?
C1 = {'Y' 'Y' 'N' 'Y' 'N'}' ; C2 = rand(size(C1)) ; T = table(C1,C2) ; % replace Y a 1 and N as 0 C = zeros(size(C1)) ; ...

5 days ago | 0

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