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Rik


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1,733 2017 이후 총 참여 횟수

E-mails with feedback/questions about FEX submissions are welcomed. In general I will post e-mails about Answers on the related page, unless there is good cause not to do so.

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Delete certain entries in a 3D matrix
I'm assuming the last page of your example is incorrect. clear A A(:,:,1) = [1 2 3; 4 5 6; 7 8 9];...

약 5시간 전 | 0

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What is this error in my iterative program?
Your code has some minor issues. I fixed some of them below. I also added a block of code where you need to add either an error ...

1일 전 | 0

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where is the origin of the coordinate system when I use the stlread function to get the coordinates of an stl file?
In general an stl reader function will use the origin that is encoded in the file itself. If you open the file file with a plain...

2일 전 | 1

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Alternative for eval of dynamic variables
If you use a cell array you can store everything in a single array even if the size are different. Because you can index into th...

5일 전 | 1

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figure adding plot to named figures?
You can modify the NextPlot property of your axes objects. You can do this by modifying the property, or by using hold on. h=st...

5일 전 | 0

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How to pass the same function to different columns?
You need to specify the target axes, otherwise the function will use gca for each call, so that will be the same axes. figure(1...

5일 전 | 0

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Reading Workspace variable into csv file
The most important thing to do first is to reshape the data to a 2D array. Then we can use the writematrix function as normal. ...

6일 전 | 1

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How to concatenate different rows
You can't concatenate files. (Technically you can, but showing how you could do it will not be helpful for you) What you need t...

6일 전 | 1

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I can't get to diplay values in a edit box. HELP!!!
It looks like you are trying to set a numeric value as the String property. You will first have to convert your symbolic values ...

6일 전 | 0

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Creating a Path to a sub folder
As mentioned in the documentation for uigetfile you can capture the path of the selected files as the second output.

6일 전 | 0

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How to read .params file via matlab?
Reading text files to Matlab variables is one of the most commons tasks. One of the many, many functions is my readfile function...

7일 전 | 0

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Global variables when doing Matlab array job in a cluster
I don't have a direct link to the doc, but I'll take Walter's word for it: "The initial value of the global variables will not ...

7일 전 | 0

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Outputs for smoothdata function
As you can read in the documention for the smoothdata function the first output is the smoothed data. It will not actually produ...

7일 전 | 0

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splitapply with own created function
You can probably get around this by wrapping your function in an anonymous function: fun=@(input1)maxperinterval(input1,s); ...

7일 전 | 0

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can a struct function access struct elements ?
When defining an anonymous function it will have access to all the variables in scope. It doesn't matter how you store that anon...

7일 전 | 0

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How to simulate the outage probability of user data rate versus signal to noise ratio?
Since that apparently was the solution, I'll post it as an answer: SNR_vector_dB=-20:10:30; %the SNR vector R_th = 0.512; % ...

7일 전 | 0

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Pause until input from one of two buttons
You can also unpause uiwait with uiresume, not just by closing the figure.

8일 전 | 0

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2 popup menus connected
Ynumber=[1;1;2;3;5]; Version={'AP'; 'AP_R' ;'AP' ;'TI1' ;'TI2'}; mytable= table(Ynumber,Version); %Y_selected=get(handles.d...

8일 전 | 0

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请问画三维曲面图时,如果自变量的区间边界是一个函数怎么办?
Use meshgrid or ndgrid to generate a full grid of coordinates. Then you mark all points outside your triangle with inpolygon. Th...

9일 전 | 0

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Conversion to char from logical is not possible.
You need to pass the option as a parameter to the integral function instead of defining it earlier. I= @(x)((x.^(3).*exp(-x...

10일 전 | 0

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How can I optimize the value of a matrix?
The code below will fit a value for B with the fminsearch function. Note that it is relatively sensitive to a good initial guess...

10일 전 | 0

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Index exceeds the number of array elements (1).
If you set a breakpoint just before that line you will notice the values of all your variables: s is a scalar and L has a value ...

10일 전 | 0

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How to remove rows in a matrix based on the first column
I guess this is what you need: data=600000*rand(224836,3); L=data(:,1)<=300000 data(L,:)=[] ;

10일 전 | 0

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Hello guys, I need help.
The indices you get in your last operation can be converted to subscripts, which will correspond to your three inputs. ind=ind(...

12일 전 | 1

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Hi, there is a (1x6) vector that i want to extract values from. I used strings to pick-up the subtitle and now the problem is that i have to extract every value under the subtitle (e.g Oxygen). How to i extract those values without hardcoding ?
It would probably make a more sense to use the table data type instead of a string array that is parsed to separate variables. ...

12일 전 | 0

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Why my GUI keeps producing error when I run it?
You define T like this: Th_1=str2double(handles.Theta_1.String)*pi/180; Th_2=str2double(handles.Theta_2.String)*pi/180; Th_3=...

13일 전 | 0

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How to perform robust line fitting in a binary image
They key is in how you define what a good fit is. The code below uses the root-mean-square of the orthogonal distance between al...

14일 전 | 0

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How do I remove a set of repeated values in a x by 2 matrix?
I think the code below is what you need. There may be much more efficient methods, but this will do as long as this will not be ...

14일 전 | 0

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find the next row of an element in a matrix
This probably isn't the fastest solution, but it does get the output you describe. The last loop I had to guess, so let me know ...

14일 전 | 1

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ButtonDownFcn disabled after using matlab rotate 3D tool
As you can read in the <https://www.mathworks.com/help/matlab/ref/rotate3d.html doc>, using the rotate3d function without any in...

14일 전 | 0

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