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...

2 years 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...

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...

2 years 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'...

2 years ago | 0

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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}, ...

2 years 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)))

2 years 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...

2 years ago | 0

Answered

How to run script without MATLAB asking to press any key to continue

Remove pause MATLAB commad from your script

How to run script without MATLAB asking to press any key to continue

Remove pause MATLAB commad from your script

2 years ago | 0

Answered

How would i extract ONLY even numbered elements of an image?

Part ii % for even values even_values = imgroup1(mod(imgroup1, 2) == 0); % for display purpose evens = imgroup1.*uint8(mod(i...

How would i extract ONLY even numbered elements of an image?

Part ii % for even values even_values = imgroup1(mod(imgroup1, 2) == 0); % for display purpose evens = imgroup1.*uint8(mod(i...

2 years ago | 0

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Answered

how to get/extract x,y values from scatter function

You need to apply thresholding to the 3rd column of the x variable upto blue colour as it is normalized colour. If you apply co...

how to get/extract x,y values from scatter function

You need to apply thresholding to the 3rd column of the x variable upto blue colour as it is normalized colour. If you apply co...

2 years ago | 1

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Answered

How to save indices of a certain region of a matrix

ind = find(ismember(A(:), B(:)))

How to save indices of a certain region of a matrix

ind = find(ismember(A(:), B(:)))

2 years ago | 1

Answered

how to extract one variable elements from a function

[~, ~, E]=GenEllResidue(a,b,n); For more details read https://in.mathworks.com/help/matlab/matlab_prog/ignore-function-inputs...

how to extract one variable elements from a function

[~, ~, E]=GenEllResidue(a,b,n); For more details read https://in.mathworks.com/help/matlab/matlab_prog/ignore-function-inputs...

2 years ago | 0

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Answered

Renames a lot of files in directory

fileTo = sprintf('Flight 1000%d.mat',kk);

Renames a lot of files in directory

fileTo = sprintf('Flight 1000%d.mat',kk);

2 years ago | 0

Answered

Convert cell array into array

result = cellfun(@vertcat, vertcat(your_array{:}))

Convert cell array into array

result = cellfun(@vertcat, vertcat(your_array{:}))

3 years ago | 0

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Answered

How to save data from every file in a folder

It is not recommended to create table in loop, get the data in variable(say cell data) then form table out of the loop folderDa...

How to save data from every file in a folder

It is not recommended to create table in loop, get the data in variable(say cell data) then form table out of the loop folderDa...

3 years ago | 0

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Answered

Simplest way to save a vector to a variable with commas and braces

You can't save the variable data like that but you can store as in string format a = '[1, 2, 3, 4, 5]' save matfile a load ma...

Simplest way to save a vector to a variable with commas and braces

You can't save the variable data like that but you can store as in string format a = '[1, 2, 3, 4, 5]' save matfile a load ma...

3 years ago | 0

Answered

How to filter winter months

Do you mean to get the time values between 1 to 4 and 10 to 12 (winter )? if yes x = 1:12; data = x(x >= 1 & x <= 4 | x>9 & x<...

How to filter winter months

Do you mean to get the time values between 1 to 4 and 10 to 12 (winter )? if yes x = 1:12; data = x(x >= 1 & x <= 4 | x>9 & x<...

3 years ago | 0

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Answered

how to calculate the average of two values data that side by side and place it between those two values

mn = movmean(A, 2, 'Endpoints','discard'); Result = zeros(1, length(A)+length(mn)); Result(1:2:end) = A; Result(2:2:end) = mn...

how to calculate the average of two values data that side by side and place it between those two values

mn = movmean(A, 2, 'Endpoints','discard'); Result = zeros(1, length(A)+length(mn)); Result(1:2:end) = A; Result(2:2:end) = mn...

3 years ago | 0

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Answered

Error reading through all images in a directory

currentImage = fullfile(imageList(k).folder, imageList(k).name);

Error reading through all images in a directory

currentImage = fullfile(imageList(k).folder, imageList(k).name);

3 years ago | 0

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Answered

Read every netcdf files in a folder

Try this with full path filename folderData = 'D:\Valerio\data\TEST'; filePattern = fullfile(folderData, '*.nc'); ncfiles = ...

Read every netcdf files in a folder

Try this with full path filename folderData = 'D:\Valerio\data\TEST'; filePattern = fullfile(folderData, '*.nc'); ncfiles = ...

3 years ago | 0

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Answered

how can I use mean for cell arrays within cell

result = cellfun(@(x)mean(x, 'omitnan'), [T_mon{:}])

how can I use mean for cell arrays within cell

result = cellfun(@(x)mean(x, 'omitnan'), [T_mon{:}])

3 years ago | 0

Answered

Colormap for multline plot

"A colormap is matrix of values between 0 and 1 that define the colors for graphics objects such as surface, image, and patch ob...

Colormap for multline plot

"A colormap is matrix of values between 0 and 1 that define the colors for graphics objects such as surface, image, and patch ob...

3 years ago | 0

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Answered

How do I read in a text file (CREATED FROM BINARY IMAGE OF ROWS-420 AND COLUMNS 680) and sort it by a ROW

x = logical(randi([0,1], 420, 680 )); % assumed that x is your extracted data from the text file x_sorted = sort(x, 2); % s...

How do I read in a text file (CREATED FROM BINARY IMAGE OF ROWS-420 AND COLUMNS 680) and sort it by a ROW

x = logical(randi([0,1], 420, 680 )); % assumed that x is your extracted data from the text file x_sorted = sort(x, 2); % s...

3 years ago | 0

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Answered

fid =fopen returns -1 when creating a new file

You forgot the coma fid=fopen('pressure_output.txt','w'); For more details read https://in.mathworks.com/help/matlab/ref/fope...

fid =fopen returns -1 when creating a new file

You forgot the coma fid=fopen('pressure_output.txt','w'); For more details read https://in.mathworks.com/help/matlab/ref/fope...

3 years ago | 0

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Answered

Insert a string section on the numbers in a vector

res = arrayfun(@(x)strcat('CH_', num2str(x)), A, 'UniformOutput', false); res{1}, res{2} % to get each element

Insert a string section on the numbers in a vector

res = arrayfun(@(x)strcat('CH_', num2str(x)), A, 'UniformOutput', false); res{1}, res{2} % to get each element

3 years ago | 0

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Answered

Expected one output from a curly brace or dot indexing expression, but there were 4 results.

Could you specify, what are you trying to do? The error because of punneeSquare of size 5x5 and you are trying to assign one va...

Expected one output from a curly brace or dot indexing expression, but there were 4 results.

Could you specify, what are you trying to do? The error because of punneeSquare of size 5x5 and you are trying to assign one va...

3 years ago | 0