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# Bhaskar R

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380 total contributions since 2017

MATLAB enthusiastic

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

10 hours ago | 0

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

11 hours ago | 1

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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)...

13 hours ago | 1

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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 ...

13 hours 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...

13 hours 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...

1 day 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

1 day ago | 1

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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...

1 day ago | 0

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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='...

1 day 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);

2 days ago | 0

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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...

2 days ago | 1

Answered
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)

2 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...

2 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"]; ...

2 days ago

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

3 days ago | 0

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

3 days ago | 0

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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...

4 days ago | 0

Answered
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 ...

4 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) ...

4 days ago | 1

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

4 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...

5 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...

5 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 % ...

5 days ago | 0

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I want to create a code that tells me the location of the number I entered whenever the function varies from trial to trial.
Am I correct? number = input('Please enter a number'); % input number matrix(number) = []; % delete corresponding number p...

5 days ago | 0

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I'm doing an engineering practice report and I need to remove arbitrary data from 2 arrays used in a plot.
Suppose data is like x= -2:0.1:2; % x axis y = 1:41; % ydata z = plot(x, y); % Plot x,y to variable z x_data_ls_0 =...

5 days ago | 0

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Answered
Multiply number of days for each month to data column
for i = 1:numel(test) test{i}.precip = test{i}.precip.*eomday(year(test{i}.date),month(test{i}.date)); end

6 days ago | 0

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Answered
Calculating grades in a while loop
grade_A = sum(score>=90); grade_B = sum(score>=80 & score<90); For more details on loops and conditionings read https://in.m...

6 days ago | 1

Answered
Sub-plots properties
subplot(1, 2,1), plot(1:10); subplot(1, 2,2), plot(2*1:10); ax = gca; % using gca fields you can do ax.Children.Marker = ...

6 days ago | 1

Answered
Rename Excel column heading to MATLAB
data = readtable('<your xlsx file name>'); % read your file as table data.Properties.VariableNames = {'Var1', 'Var2', ..... ...

6 days ago | 0

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Answered
Unrecognized function or variable
val=input('Centigrade: '); When you give w MATLAB thinks as its a variable not string, if you give "w" in double quotes(not sin...

6 days ago | 0

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