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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 dagen 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 dagen ago | 0

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

7 dagen 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 dagen 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 dagen ago | 0

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

16 dagen ago | 0

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

16 dagen 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 dagen 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 dagen 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 dagen ago | 0

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

17 dagen ago | 0

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

17 dagen 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 dagen 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 dagen 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 dagen ago | 0

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

21 dagen 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 dagen 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 dagen ago | 0

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

22 dagen ago | 0

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area of a circle function file / prompt and fprintf() output
function area_circle() radius = input('Enter the radius: '); area_cir = pi.*radius.^2; disp(['Area of circle: ', num2str(area...

22 dagen 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...

22 dagen 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 dagen ago | 0

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

24 dagen 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 dagen 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 dagen 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 dagen 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 dagen 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 dagen ago | 0