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Bhaskar R

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387 total contributions since 2017

MATLAB enthusiastic

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Answered
Multiple specific elements in an array
Assuming a, b,c, d, ..g are values in the vector say X X = 1:7; sum([2:4].*[sum(reshape(x(1:6), 2,3))]);

13 hours ago | 1

Answered
writing in excel in loop in matlab
First get the all data (A1, A2, A3...) as one(say A) variable using loops, after loop ending write variable A (whole data) to ex...

13 hours ago | 0

Answered
How to Read and plot CSV file and delete infinity values from CSV file
opt = detectImportOptions('sensor.csv', 'MissingRule', 'fill', 'NumHeaderLines', 2); T = readtable('sensor.csv', op); header =...

14 hours ago | 0

Answered
How to assign timetable as cell type?
Suppose TT is your timetable variable cell_array = table2cell(timetable2table(TT)); %timetable to cell

1 day ago | 0

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Select values from cell array with condition using cellfun
Res = A(find(~cellfun(@(x)any(x>5 | x<-5, 'all'), A)));

1 day ago | 0

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How do I create a matrix that expands with new column vectors added to it?
% it is recommended to prellocate x before operation but in your case x is not predetermined so assign columns directly n = 5; ...

1 day ago | 0

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How to condense a plot with a shorter x-axis?
Normalize your data t = 1:1000000; % assumed data d = linspace(0, 1, numel(t)); % create vector of length t from 0 to 1 p...

1 day ago | 0

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add zero time in timeseries date time column
Suppose dt is date time series, apply dt.Format = 'dd/MM/yyy HH:mm:ss'

2 days ago | 0

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Finding matching strings from a table and making a new table
T_1 = T(strcmp(T.A, 'AFG'), :);

2 days ago | 1

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Answered
Plotting graph with for-end loop in
%Setting all original variables Em=2.4e9; Ef=76e9; vm=0.34; vf_samll=0.22; theta=30; Vf=0:0.1:1; Ex = zeros(1, length(Vf)...

2 days ago | 1

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Answered
I have a c file written using mex functions, run by Matlab using mex compiler. Now I want to run those mex type .c files without Matlab environment. So, is there any way to convert mex type .c file to normal .c file.
You can convert an apple to juice, but it is like to convert back juice to an apple For more info based MATLAB experts saying ...

2 days ago | 0

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Answered
How to select certain columns of a matrix only when the values in the 4th row are bigger than three values of the other four rows in that particular column?
mat = abs(your matrix say urmat); ind = mat(4,:)>mat([1:3, 5], :); ind_4 = ind(4,:); desired_col = urmat(:, ind_4); % or m...

2 days ago | 0

Answered
Accepting multiple inputs in the form of an array
n_entr = 6; low_lim = 1; high_lim = 100; arr = zeros(1, n_entr); c = 1; fl =1; while fl in = input('Enter unique valu...

3 days ago | 0

Answered
Shift array by one element backwards or forward
x = -5:5; % array fr = circshift(x, 1); % forward bk = circshift(x, -1); % backward

3 days ago | 1

Answered
Delete rows or column with NaN for a cell array
nan_loc = cellfun(@(x)any(isnan(x)), P_QC, 'UniformOutput', false); for ii=1:length(P_QC) P_QC{ii}(:,nan_loc{ii}) = []; e...

3 days ago | 0

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Answered
Coding a quadratic root finder
You no need to do program to find roots of the quadratic quation, MATLAB has built in command roots a=input('a=') b=input('b='...

4 days ago | 0

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How to extract data in excel file in matlab
data = readmatrix('2014-2015 KU Basketball.xlsx'); [val, ind] = max(data(:, 2)); game_num = data(ind, 1);

4 days ago | 0

Answered
How to Access and Rename Doubles that are Stored in a Large Cell
You no need to rename every elecment(500x100 double) of the cell which leads much complications, you can perform your operation...

4 days ago | 1

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How to generate a fixed number of float numbers and their sum is a fixed float number?
This can help you ! res = randfixedsum(9, 1, 0.7, 0,1)

4 days ago | 0

Answered
How to copy columns in a matrix.
1) res = circshift(mat, [0 -1]); % mat assumed as your matrix 2) mat = [zeros(size(mat, 1),1), mat] % Append zeros as firs...

4 days ago | 0

Solved

Find the index of elements in a string vector
In the vector of v, find the index of elements specified by a. v = ["Lion","Koara","Elephant","Snake","Dog","Cat","Camel"]; ...

4 days ago

Answered
Rounding numbers below 0.7 to 0.7
efficiency_final(efficiency_final<0.7) = 0.7

5 days ago | 0

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Locating entered vector values
ind = find(ismember(x, a))

5 days ago | 0

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Answered
How to store corrcoef values?
If the size of the corrcoef is consistent through out the loop % row = should write the rows of the corrcoef result % col = s...

6 days ago | 0

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I having error in fileID=fopen(filename). Anyone can help with it? thanks
That means your are trying to run function without giving input filename. You should run the function in script file or command ...

6 days ago | 0

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Delete files with specific sizes
Get the directory files files = dir('your directory'); Apply loop and delete with your condition for ii = 1:length(files) ...

6 days ago | 1

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Answered
Problem creating video mp4 from animation.
VideoWriter % correct one you have give videowriter(not case sensitive)

6 days ago | 1

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Answered
how can I read huge asc files with textread?
Get file names and apply ext_date = datetime(extractBetween(<your file name(here ppt_19990101_asc)>, '_', '_'), 'Format', 'yyy...

6 days ago | 0

Answered
rename files from subfolders
Get all files structure to one variable cd <your directory> d = dir('**/*.bmp') Apply loop to get every file to structure fi...

6 days ago | 0

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Answered
Error using == Number of array dimensions must match for binary array op.
You are comparing character array with image matrix that is why you got error if(a==imageArray) disp('yes'); end % ...

6 days ago | 0

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