Answered
How can I quickly find the difference in function usage between different MATLAB versions? For example, the Name-Value Arguments "QuoteStrings" of the function writetable
A few releases ago Mathworks introduced a changes section at the bottom of the documentation page. Other than that, it is simply...
How can I quickly find the difference in function usage between different MATLAB versions? For example, the Name-Value Arguments "QuoteStrings" of the function writetable
A few releases ago Mathworks introduced a changes section at the bottom of the documentation page. Other than that, it is simply...
3 years ago | 0
| accepted
Answered
How to write a variable in a Vector with a loop
If you have trouble with Matlab basics you may consider doing the Onramp tutorial (which is provided for free by Mathworks). See...
How to write a variable in a Vector with a loop
If you have trouble with Matlab basics you may consider doing the Onramp tutorial (which is provided for free by Mathworks). See...
3 years ago | 0
| accepted
Answered
How to pass filepath to MATLAB executable
You're using Matlab syntax to define a char vector, but that is something that will happen automatically. You can experiment wi...
How to pass filepath to MATLAB executable
You're using Matlab syntax to define a char vector, but that is something that will happen automatically. You can experiment wi...
3 years ago | 2
| accepted
Answered
input parser on a cell array
You can implement a custom validationFcn to check your requirements, as you can read in the documentation. A = {'1234','4567','...
input parser on a cell array
You can implement a custom validationFcn to check your requirements, as you can read in the documentation. A = {'1234','4567','...
3 years ago | 0
| accepted
Answered
Why does unicode2native returns different values on different Matlab versions?
I couldn't find this in the release notes, but apparently the default encoding changed between these versions (the documentation...
Why does unicode2native returns different values on different Matlab versions?
I couldn't find this in the release notes, but apparently the default encoding changed between these versions (the documentation...
3 years ago | 1
| accepted
Answered
can we share our original code here,?
The main point of plagiarism is not that text cannot exist anywhere else, but that you are clear about authorship. Some style gu...
can we share our original code here,?
The main point of plagiarism is not that text cannot exist anywhere else, but that you are clear about authorship. Some style gu...
3 years ago | 2
Answered
How to point to actual file for LISTDLG selection?
You selected a file name. Now you need to use the load function to read the variables. S=load(fn{indx});
How to point to actual file for LISTDLG selection?
You selected a file name. Now you need to use the load function to read the variables. S=load(fn{indx});
3 years ago | 0
| accepted
Answered
Is it possible to make an app after you have written a large program?
In my personal opinion, a GUI should only be an interface to your function (that is after what the I stands for). That means it ...
Is it possible to make an app after you have written a large program?
In my personal opinion, a GUI should only be an interface to your function (that is after what the I stands for). That means it ...
3 years ago | 0
Answered
Solve Eror Saveas nome
Perhaps you meant saveas(gcf,[num2str(zz) '.png']) instead, since you never define kk in your code.
Solve Eror Saveas nome
Perhaps you meant saveas(gcf,[num2str(zz) '.png']) instead, since you never define kk in your code.
3 years ago | 1
Answered
How to make the modfunc function work ?
A function should exist in an m file. If you want to put it in a script file, it needs to have a closing end keyword, and no oth...
How to make the modfunc function work ?
A function should exist in an m file. If you want to put it in a script file, it needs to have a closing end keyword, and no oth...
3 years ago | 0
Answered
Calculate the sum of two RMS values and theoretical RMS.
With vectors of the same size you shouldn't notice a difference, but you are calculating a root sum square, not a root mean squa...
Calculate the sum of two RMS values and theoretical RMS.
With vectors of the same size you shouldn't notice a difference, but you are calculating a root sum square, not a root mean squa...
3 years ago | 0
| accepted
Answered
Why is sum(f,1) slower than sum(g,2) for g=f'?
I expect this has to do with how a matrix is stored in memory. If I recall correctly, this is column major, so summing along row...
Why is sum(f,1) slower than sum(g,2) for g=f'?
I expect this has to do with how a matrix is stored in memory. If I recall correctly, this is column major, so summing along row...
3 years ago | 2
| accepted
Answered
Is it possible to make the program faster?
Below you will see my attempt and vectorizing your code. As you may notice, this is not actually faster, which shows you that th...
Is it possible to make the program faster?
Below you will see my attempt and vectorizing your code. As you may notice, this is not actually faster, which shows you that th...
3 years ago | 1
| accepted
Discussion
MATLAB Answers Wish-list #6 (and bug reports)
This is the 6th installment of the wish-list and bug report thread. This topic is the follow on to the first Wish-list for MATL...
3 years ago | 1
Question
MATLAB Answers Wish-list #6 (and bug reports)
This is the 6th installment of the wish-list and bug report thread. This topic is the follow on to the first Wish-list for MATL...
3 years ago | 6 answers | 1
6
answersAnswered
How to save multiple polts with the source file name using loop?
You have all elements already in your code. Why not uncomment savefig and use files(i).name?
How to save multiple polts with the source file name using loop?
You have all elements already in your code. Why not uncomment savefig and use files(i).name?
3 years ago | 0
Answered
read value from an external file .txt
You can do it with fscanf, but it you get a lot more flexibility if you use a regular expression instead. If you want to use thi...
read value from an external file .txt
You can do it with fscanf, but it you get a lot more flexibility if you use a regular expression instead. If you want to use thi...
3 years ago | 0
Answered
Shuffle row order within every N rows in a matrix
Just use a loop with randperm: data=[ 1 2 4 1 1 1 2 4 2 1 1 2 4 1 2 1 2 4 2 2 1 2 4 1 1 1 2 4 2 ...
Shuffle row order within every N rows in a matrix
Just use a loop with randperm: data=[ 1 2 4 1 1 1 2 4 2 1 1 2 4 1 2 1 2 4 2 2 1 2 4 1 1 1 2 4 2 ...
3 years ago | 0
Answered
A compact way to horizontally concatenate rows of many cell arrays ?
Two calls to horzcat and a loop do the trick, although this can probably be improved a lot. % Input a{1} = {[0 0 1 4 1] ...
A compact way to horizontally concatenate rows of many cell arrays ?
Two calls to horzcat and a loop do the trick, although this can probably be improved a lot. % Input a{1} = {[0 0 1 4 1] ...
3 years ago | 1
Answered
Is Matlab generally faster at computing polynomials or trigonometric functions?
You mean you want to approximate your complicated function with many calls by a single polynomial? If that is possible with your...
Is Matlab generally faster at computing polynomials or trigonometric functions?
You mean you want to approximate your complicated function with many calls by a single polynomial? If that is possible with your...
3 years ago | 0
Answered
Calculations wrong in appdesigner
app.mdot_P33 = 1.2; app.mdot_P3 = 2.4; app.T3 = 315; app.mdot_P4 = 1.2; app.T4 = 316; app.T5 = (app.mdot_P33/app.mdot_P3)*a...
Calculations wrong in appdesigner
app.mdot_P33 = 1.2; app.mdot_P3 = 2.4; app.T3 = 315; app.mdot_P4 = 1.2; app.T4 = 316; app.T5 = (app.mdot_P33/app.mdot_P3)*a...
3 years ago | 0
Answered
Selecting a file to create a plot on MATLAB
You mean like uigetfile and prompt?
Selecting a file to create a plot on MATLAB
You mean like uigetfile and prompt?
3 years ago | 0
Answered
Is it possible to implement a GUI in a Matlab script?
For general advice and examples for how to create a GUI (and avoid using GUIDE), have look at this thread. It will show you dif...
Is it possible to implement a GUI in a Matlab script?
For general advice and examples for how to create a GUI (and avoid using GUIDE), have look at this thread. It will show you dif...
3 years ago | 0
| accepted
Answered
Sound files with 4 channels in MATLAB
S = load('handel'); new_y = repmat(S.y,1,4); size(new_y) Now you can no longer use the sound function, as that only supports ...
Sound files with 4 channels in MATLAB
S = load('handel'); new_y = repmat(S.y,1,4); size(new_y) Now you can no longer use the sound function, as that only supports ...
3 years ago | 0
| accepted
Answered
How to present this equation for plotting
You need either power or .^ (otherwise you perform a matrix power). So apart from that correction, either will work. I would ...
How to present this equation for plotting
You need either power or .^ (otherwise you perform a matrix power). So apart from that correction, either will work. I would ...
3 years ago | 0
Answered
2012 and 2018 compatibility
It is not completely true that all code that runs without error on R2012a (or b) will run with the same effect on R2018a (or b)....
2012 and 2018 compatibility
It is not completely true that all code that runs without error on R2012a (or b) will run with the same effect on R2018a (or b)....
3 years ago | 0
Answered
Why does subtracting '0' from an array of char appear to convert it to a numerical double.
The minus function is not really defined for char, so the operands need to be converted to a datatype that is supported. Since ...
Why does subtracting '0' from an array of char appear to convert it to a numerical double.
The minus function is not really defined for char, so the operands need to be converted to a datatype that is supported. Since ...
3 years ago | 1
| accepted
Answered
Range variables callback issue
I fully agree with Stephen that you should not use global variables. There are more legitimate uses than eval, but not many. ...
Range variables callback issue
I fully agree with Stephen that you should not use global variables. There are more legitimate uses than eval, but not many. ...
3 years ago | 0
| accepted
Answered
How to change the symbol size of the legend
This is only possible by increasing the size of the markers themselves in the plot. If you don't want that, you will need to cre...
How to change the symbol size of the legend
This is only possible by increasing the size of the markers themselves in the plot. If you don't want that, you will need to cre...
3 years ago | 0