Answered

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...

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

Answered

create zero column vector

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

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

Answered

How to combine rows of cell array into corresponding single cell

c = cellfun(@(x, y){x,y}, a,b,'UniformOutput',false)

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

| accepted

Answered

Writing data to a file

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

Writing data to a file

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

7 days ago | 0

| accepted

Answered

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 .*...

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

Answered

fprintf cell array of two classes

require = string(cell2mat(strcat(charArr,{' '}, num2str(doubArr))));

fprintf cell array of two classes

require = string(cell2mat(strcat(charArr,{' '}, num2str(doubArr))));

16 days ago | 0

Answered

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...

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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Answered

How to get common sub string in cell array string?

fund_cell = regexp(cell_arr , 'A.A1', 'match'); result = [fund_cell{:}]

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

Answered

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 ...

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

Answered

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...

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

Answered

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...

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

Answered

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

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

Answered

If statement - comparing single value to whole array

if any(B>A) % your code end

If statement - comparing single value to whole array

if any(B>A) % your code end

21 days ago | 0

Answered

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 ...

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

| accepted

Answered

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...

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

| accepted

Answered

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

FAM_data = readmatrix('FAM.txt'); FCC_data = readmatrix('FCC.txt'); FM2_data = readmatrix('FM2.txt');

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

FAM_data = readmatrix('FAM.txt'); FCC_data = readmatrix('FCC.txt'); FM2_data = readmatrix('FM2.txt');

22 days ago | 0

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Answered

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...

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 days ago | 0

| accepted

Answered

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...

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

Answered

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 ...

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

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

Answered

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...

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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Answered

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'...

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

| accepted

Answered

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}, ...

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

Answered

skip legend entries in property editor?

ax = gca; ax_data = ax.Children; legend(ax_data(1:5), fliplr(ax.Legend.String(9:end)))

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

Answered

Save a non scalar struct

Here the MATLAB variable scope and life time plays. For each iteration of for loop calling in the function fun variable ss is n...

Save a non scalar struct

Here the MATLAB variable scope and life time plays. For each iteration of for loop calling in the function fun variable ss is n...

28 days ago | 0