5.792 total contributions since 2014

Suspensa Vix Via Fit

Answered

How to create new file in another folder?

" But I have create the new file in another folder . How can I do this?" All MATLAB functions that read/write to data files acc...

How to create new file in another folder?

" But I have create the new file in another folder . How can I do this?" All MATLAB functions that read/write to data files acc...

32 minuten ago | 0

Answered

how to load a variable in a loop

D = dir('CC*/Rest/ROI_epi.mat'); for k = 1:numel(D) F = fullfile(D(k).folder,D(k).name); S = load(F); ROI = S.RO...

how to load a variable in a loop

D = dir('CC*/Rest/ROI_epi.mat'); for k = 1:numel(D) F = fullfile(D(k).folder,D(k).name); S = load(F); ROI = S.RO...

ongeveer 5 uur ago | 0

Answered

Why use x=load('myFile.mat')?

From the discussion following this answer: "why should people never ever load mat files into the workspace?" Because load-ing ...

Why use x=load('myFile.mat')?

From the discussion following this answer: "why should people never ever load mat files into the workspace?" Because load-ing ...

ongeveer 6 uur ago | 1

Answered

Increasing number of points in a plot without ruining the shape

Try using method spline or pchip and see if they do what you want: interp1(...,'pchip') https://www.mathworks.com/help/matlab/...

Increasing number of points in a plot without ruining the shape

Try using method spline or pchip and see if they do what you want: interp1(...,'pchip') https://www.mathworks.com/help/matlab/...

ongeveer 6 uur ago | 0

Answered

Testing if an input is numeric or character

if isnan(Sbase_gerador) ... end

Testing if an input is numeric or character

if isnan(Sbase_gerador) ... end

ongeveer 14 uur ago | 0

Answered

how to call different functions of a matlab file to another matlab file

Local functions are only visible to other functions within the same M-file: https://www.mathworks.com/help/matlab/matlab_prog/l...

how to call different functions of a matlab file to another matlab file

Local functions are only visible to other functions within the same M-file: https://www.mathworks.com/help/matlab/matlab_prog/l...

2 dagen ago | 0

Answered

saving for loop results not working

"Can anyone please explain to me what im doing wrong and how to fix it." Your first code does not store/allocate/sum the output...

saving for loop results not working

"Can anyone please explain to me what im doing wrong and how to fix it." Your first code does not store/allocate/sum the output...

2 dagen ago | 0

Answered

lsqcurvefit Error using /

Replacing both of the mrdivide operators with rdivide operators gets rid of the error: >> fun = @(x,xd) (x(1)*(1+(sqrt(1+xd./x(...

lsqcurvefit Error using /

Replacing both of the mrdivide operators with rdivide operators gets rid of the error: >> fun = @(x,xd) (x(1)*(1+(sqrt(1+xd./x(...

2 dagen ago | 0

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Answered

Find mean of rows containing decimal numbers in between integers in a column

>> Y = [1,0.098,0.00076,0.01,2,0.099,0.007,2,0.003,0.04,0.1,4]; >> X = cumsum([1;diff(~mod(Y(:),1))]~=0); >> Z = accumarray(X(...

Find mean of rows containing decimal numbers in between integers in a column

>> Y = [1,0.098,0.00076,0.01,2,0.099,0.007,2,0.003,0.04,0.1,4]; >> X = cumsum([1;diff(~mod(Y(:),1))]~=0); >> Z = accumarray(X(...

2 dagen ago | 4

Answered

How to set constraints of griddata results are all non-negative?

"Is there any way to control the range of interpolation results?" You could simply adjust the output data yourself: A = max(0,...

How to set constraints of griddata results are all non-negative?

"Is there any way to control the range of interpolation results?" You could simply adjust the output data yourself: A = max(0,...

2 dagen ago | 0

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Answered

fopen does not work when put text code

You are adding extra single quotes, here: lgttext = (".lgt'"); % ^ superfluous Roriginaltitle = insertBefore(sp...

fopen does not work when put text code

You are adding extra single quotes, here: lgttext = (".lgt'"); % ^ superfluous Roriginaltitle = insertBefore(sp...

3 dagen ago | 3

Answered

How do I change a function name within a loop using variables?

You can store function handles in a cell array and use indexing: >> C = {@(x)2*x+3,@(x)sqrt(x)+1}; % {1st fun,2nd fun} >> C{1}...

How do I change a function name within a loop using variables?

You can store function handles in a cell array and use indexing: >> C = {@(x)2*x+3,@(x)sqrt(x)+1}; % {1st fun,2nd fun} >> C{1}...

3 dagen ago | 2

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Answered

How to split an array by same length and make a matrix?

>> a = 1:72; >> b = reshape(a,24,[]).' b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...

How to split an array by same length and make a matrix?

>> a = 1:72; >> b = reshape(a,24,[]).' b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...

3 dagen ago | 1

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Answered

Having trouble changing mouse cursor to "watch" to indicate that function is busy.

This worked for me: set(gcf, 'Pointer','watch') drawnow() % <- you need this ... set(gcf, 'pointer','arrow') Note that the ...

Having trouble changing mouse cursor to "watch" to indicate that function is busy.

This worked for me: set(gcf, 'Pointer','watch') drawnow() % <- you need this ... set(gcf, 'pointer','arrow') Note that the ...

4 dagen ago | 0

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Answered

Interpolating linearly between many values in a vector

>> t_old = 1:10; % times 1:N >> rate = 1000; % 1 kHz >> t_new = linspace(t_old(1),t_old(end),(numel(t_old)-1)*rate+1);

Interpolating linearly between many values in a vector

>> t_old = 1:10; % times 1:N >> rate = 1000; % 1 kHz >> t_new = linspace(t_old(1),t_old(end),(numel(t_old)-1)*rate+1);

4 dagen ago | 0

Answered

How to check if one of output variables is not called

You can use nargout to detect how many output arguments are requested: if nargout>0 varargout{1} = x+y; end if nargout>1...

How to check if one of output variables is not called

You can use nargout to detect how many output arguments are requested: if nargout>0 varargout{1} = x+y; end if nargout>1...

4 dagen ago | 0

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Answered

I have multiple equations that depend on a specific value and would like matlab to ask the user which equation to use and what the specific value is and then print that value but it's giving me trouble.

Your code is mixed up with the (meta-)data (i.e. the variable names named as material types), which is a very bad practice and s...

I have multiple equations that depend on a specific value and would like matlab to ask the user which equation to use and what the specific value is and then print that value but it's giving me trouble.

Your code is mixed up with the (meta-)data (i.e. the variable names named as material types), which is a very bad practice and s...

4 dagen ago | 0

Answered

cprintf not work in linux command window

"open a command window in Linux system" cprintf works in the MATLAB Command Window: https://www.mathworks.com/help/matlab/ref/...

cprintf not work in linux command window

"open a command window in Linux system" cprintf works in the MATLAB Command Window: https://www.mathworks.com/help/matlab/ref/...

4 dagen ago | 0

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Answered

Interrupting a Callback with a Push Button

" Is there another trick you recommend for this issue" The simplest solution is to use nested functions: simply define a logica...

Interrupting a Callback with a Push Button

" Is there another trick you recommend for this issue" The simplest solution is to use nested functions: simply define a logica...

4 dagen ago | 0

Answered

Conversion to cell from double is not possible

A = cell2mat(dataC(:,1)); B = A * pi * 2; dataC(:,3) = num2cell(B); % <- you need NUM2CELL!

Conversion to cell from double is not possible

A = cell2mat(dataC(:,1)); B = A * pi * 2; dataC(:,3) = num2cell(B); % <- you need NUM2CELL!

4 dagen ago | 1

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Answered

remove row of matrix inside cell

You could use cellfun like this: >> F = @(m,x) m(setdiff(1:size(m,1),x),:); >> C = cellfun(F,A,B,'uni',0); >> C{:} ans = ...

remove row of matrix inside cell

You could use cellfun like this: >> F = @(m,x) m(setdiff(1:size(m,1),x),:); >> C = cellfun(F,A,B,'uni',0); >> C{:} ans = ...

4 dagen ago | 0

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Answered

Writing table variables with quotations marks ("Placeholder variable name")

'QuoteStrings',true https://www.mathworks.com/help/matlab/ref/writetable.html#btyc9ne-1_sep_btyc9ne-1-QuoteStrings Otherwise i...

Writing table variables with quotations marks ("Placeholder variable name")

'QuoteStrings',true https://www.mathworks.com/help/matlab/ref/writetable.html#btyc9ne-1_sep_btyc9ne-1-QuoteStrings Otherwise i...

5 dagen ago | 1

Answered

Taking out entries of a Vector to make a new Vector

Where V is your vector: X = V(4:4:end); Y = V; Y(4:4:end) = [];

Taking out entries of a Vector to make a new Vector

Where V is your vector: X = V(4:4:end); Y = V; Y(4:4:end) = [];

9 dagen ago | 0

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Answered

automatically filling a matrix

Method one: eye and kron: >> n = 5; >> j = 6; >> M = kron(-eye(j),ones(n,1)) M = -1 0 0 0 0 0 ...

automatically filling a matrix

Method one: eye and kron: >> n = 5; >> j = 6; >> M = kron(-eye(j),ones(n,1)) M = -1 0 0 0 0 0 ...

11 dagen ago | 0

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Answered

Looping within a structure

You can easily loop over the fieldnames: F = fieldnames(mystruct); for k = 1:numel(F) A = mystruct.(F{k}); ... do wh...

Looping within a structure

You can easily loop over the fieldnames: F = fieldnames(mystruct); for k = 1:numel(F) A = mystruct.(F{k}); ... do wh...

11 dagen ago | 0

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Answered

How to convert a structure array into vector

S(1).F1 = [1,2,3,4,5]; S(2).F1 = [10,20]; S(1).F2 = [2,4,6,8,10]; S(2).F2 = [150,200]; F = fieldnames(S); C = num2cell(stru...

How to convert a structure array into vector

S(1).F1 = [1,2,3,4,5]; S(2).F1 = [10,20]; S(1).F2 = [2,4,6,8,10]; S(2).F2 = [150,200]; F = fieldnames(S); C = num2cell(stru...

11 dagen ago | 1

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Answered

Storing multiple matrices created by multiple executions of a function

Method one: input/output arguments: function [A,B] = mainfun(N) [A,B] = recfun(N,{},{}); end function [A,B] = recfun(N,A,B) ...

Storing multiple matrices created by multiple executions of a function

Method one: input/output arguments: function [A,B] = mainfun(N) [A,B] = recfun(N,{},{}); end function [A,B] = recfun(N,A,B) ...

11 dagen ago | 0

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Answered

How can I find consecutive digits seperated by spaces?

Simple solution using a dynamic match expression: >> str = '1 1 1 4 4 6 7 7 7 7'; >> out = regexprep(str,'(\d)(??( $1)*)','${n...

How can I find consecutive digits seperated by spaces?

Simple solution using a dynamic match expression: >> str = '1 1 1 4 4 6 7 7 7 7'; >> out = regexprep(str,'(\d)(??( $1)*)','${n...

11 dagen ago | 1

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Answered

Output from nested struct into numerical / string array

string({mystruct.somenesting.objecttype.name}) cat(1,mystruct.somenesting.somethingelse.size) % ^ change this to suit the si...

Output from nested struct into numerical / string array

string({mystruct.somenesting.objecttype.name}) cat(1,mystruct.somenesting.somethingelse.size) % ^ change this to suit the si...

11 dagen ago | 0

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Answered

convert a 10x2 matrix into x,y coordinates

>> M = [1,2;3,4;5,6] M = 1 2 3 4 5 6 >> V = 1:size(M,1); >> fprintf('(x%d,y%d)=(%d,%d)\n',[V;V;M.']) (x1,y1)=(1,...

convert a 10x2 matrix into x,y coordinates

>> M = [1,2;3,4;5,6] M = 1 2 3 4 5 6 >> V = 1:size(M,1); >> fprintf('(x%d,y%d)=(%d,%d)\n',[V;V;M.']) (x1,y1)=(1,...

13 dagen ago | 0

| accepted