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How to sum the diagonal numbers and numbers after the diagonal of a matrix
function summa = halfsum(inp_mat) summa = zeros(2,1); % first element is sum of diagonal elements, second is sum of dia...

2 days ago | 0

create zero column vector
zeros is the MATLAB function already, its not recommended to create again a function "createzerocolumnvector(x)", use direct com...

7 days ago | 0

How to combine rows of cell array into corresponding single cell
c = cellfun(@(x, y){x,y}, a,b,'UniformOutput',false)

7 days ago | 1

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Writing data to a file
fileid= fopen('data.dat','w'); fprintf(fileid, '%d\n', [1:20]'); fclose(fileid)

7 days ago | 0

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for loop, multiple plots in single plot
Vi = 25; t1 = [0:0.1:86.3]; t2 = [0:0.1:13.5]; t3 = [0:0.1:13.5]; t4 = [0:0.1:6]; g = [0.58 3.7 3.71 8.87]; hPluto = Vi .*...

15 days ago | 0

fprintf cell array of two classes
require = string(cell2mat(strcat(charArr,{' '}, num2str(doubArr))));

16 days ago | 0

How to use 2 forloop in matlab?
required = output(1:51);

16 days ago | 0

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fprintf handles.Value?
if handles.Value is a string fprintf(f,'%s',handles.Value); if handles.Value is a float value fprintf(f,'%3.2f',str2num(ha...

16 days ago | 0

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How to get common sub string in cell array string?
fund_cell = regexp(cell_arr , 'A.A1', 'match'); result = [fund_cell{:}]

16 days ago | 0

Binarize a metrix with some threshold
A = randi([0, 1000], 5) % dummy marix A = 392 277 317 766 646 656 46 951 795 710 171 97 ...

17 days ago | 0

save values in array
all_el = unique([A{:}]);

17 days ago | 0

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# 1:end
You need to use g(sub2ind(size(g), r,c)) = 1

17 days ago | 0

if statement with vector
You are checking all values in the if conditioning, it gives pass condition if and only of all values are true, to avoid your si...

21 days ago | 2

How to find the middle element of a square array
function middleElement = FindMiddle(squareArray) % FindMiddle: Return the element in the center of squareArray % Inputs: sq...

21 days ago | 0

Populate .csv with specific times and dates
required_times = t(hour(t)>12 & hour(t)<17) % where timings between 12 to 17 hours of the data

21 days ago | 0

If statement - comparing single value to whole array
if any(B>A) % your code end

21 days ago | 0

Xor operation on two numbers
Since decimal to binary conversion may not produce same length of inputs to xor, we need to append 0's before the binary value ...

22 days ago | 0

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Index in position 1 is invalid. Array indices must be positive integers or logical values.
Index of the array start from 1 and it must be positive integer in MATLAB. In your code for loop i = 0:366 starting from 0 that...

22 days ago | 0

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How to read and arrange certain data in multiple text file?

22 days ago | 0

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area of a circle function file / prompt and fprintf() output

22 days ago | 0

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Creating groups of 2 people from a cell array of names
n = 26; x = cellstr(char([65:65+n-1]')); % your cell data assumed rand_nums = reshape(randsample(n,n), n/2, 2); % random numbe...

23 days ago | 0

Multiplying an entire table by a column from another table.
t1 = table; t2 = table; % table t1 t1.a = rand(10,1); t1.b = rand(10,1); % table t2 t2.c = rand(10, 1); %processed_data ...

23 days ago | 0

pick elements from an array
new_a = a(a>=0.5 & a<=0.8);

24 days ago | 0

Question

Validate and get exact number of characters using the regular expression
Hi all, I am using MATLAB R2016a version and working on a chacters set like str = 'ENGINE-45'; % this is okay(digits are 2 a...

25 days ago | 2 answers | 0

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How to use unique function here
inn_A = [A{:}]; str_A = cellfun(@(x)num2str(x(:)'),inn_A,'UniformOutput',false); [~,idx,idx2] = unique(str_A); Result = inn_A...

27 days ago | 0

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I want to plot the Point directly on the highest point of the graph
[MaxPower, MaxPow_loc] = max(Power); % then apply hold on; plot(MaxPow_loc,MaxPower,'or','MarkerFaceColor', 'r', 'MarkerSize'...

27 days ago | 0

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Combine two column vectors when importing data from .csv into one
f = fopen('your file name.csv', 'r') % data = textscan(f, '%s'); fclose(f); your_data = cellfun(@str2num, strrep(data{1}, ...

28 days ago | 0

skip legend entries in property editor?
ax = gca; ax_data = ax.Children; legend(ax_data(1:5), fliplr(ax.Legend.String(9:end)))

28 days ago | 0