Jan
Last seen: 2 días ago
13.266 total contributions since 2009It is easier to solve a problem than to guess, what the problem is.
Questions about FileExchange submissions are welcome - get my address from the code. I do not answer mails concerning questions in the forum.
Jan's Badges
Download any 10 unique submissions
Awarded to Jan on 01 Apr 2021
Your submissions were downloaded 250 or more times in a month
Awarded to Jan on 01 Nov 2019
Your submission is selected as "Pick of The Week"
Awarded to Jan on 09 Oct 2019
Publish your first comment or rating
Awarded to Jan on 09 Oct 2019
Your submissions received 25 five star ratings
Awarded to Jan on 09 Oct 2019
Publish your first submission
Awarded to Jan on 09 Oct 2019
Reach 25000 reputation points
Awarded to Jan on 14 Aug 2018
Answer 50 questions that were unanswered for more than 30 days
Awarded to Jan on 14 Aug 2017
Contribute at least one answer each month for 36 consecutive months
Awarded to Jan on 20 Jul 2017
Accept 50 answers given by other contributors
Awarded to Jan on 20 Jul 2017
100 of your answers have been accepted
Awarded to Jan on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Jan on 20 Jul 2017
Like a problem or solution
Awarded to Jan on 27 Jan 2012
Comment on a problem or solution
Awarded to Jan on 26 Jan 2012
Solve a problem for the first time
Awarded to Jan on 26 Jan 2012
Not Enough Input Arguments
"when you click the Run button in the future" - This means, that you tried to run the programn pressing the green triangle, the ...
2 días ago | 0
How can I build my own randi function from scratch?
What exactly is "from scratch"? Which tools are included, which one are excluded? E.g. where do you want to take your random bit...
3 días ago | 0
How would I perform logical comparisons with times given in the form of a string vector?
Are you sure that this is working: temptime = IE322data{:,3}; What is the contents of IE322data ? The command works only, if t...
3 días ago | 0
Separate correctly values in array
A = [7.046, 15.66, 24.16, 31.476, 39.42, 62.86, 69.83, 91.326, 98.586,106.672, 114.722]; B = [0.53, 1.25, 2.01, 2.78, 3.51, 4.2...
3 días ago | 0
| accepted
How to get a license?
Ask the admin of your university to contact Matlab's sales team. You find the contact address on the web site.
3 días ago | 1
Print variable in new window
This is a smart tool to create text windows: https://www.mathworks.com/matlabcentral/fileexchange/8641-jprintf
3 días ago | 0
Need help with a While loop: Summation
You need this line: summedValue = summedValue + i; There is no need to call this function recursively, so omit the line Summa...
3 días ago | 0
How to use linspace on a matrix
A = [0.8112, 0.8861, 0.8112, 0.8861; ... 1, 1, 1, 1; ... 1, 1, 1, 1; ... 1, ...
3 días ago | 0
| accepted
saving image file using imread
The message tells you, that you image has unexpected dimensions. JPG and PNG accept 2D matrices and [M x N x 3] RGB arrays. The ...
4 días ago | 0
my graph looks weird
Maybe you want to remove the markers? stem(f,angle(X)*57.3,'linewidth',0.5, 'Marker', 'none'); If you want something else, exp...
4 días ago | 0
| accepted
Need help with a for loop implementation for the below code
Multi-dim sparse arrays are not implemented in Matlab. Try to omit the sparse() . Or use https://www.mathworks.com/matlabcentra...
4 días ago | 0
Loops: For or While?
If the number of iterations is known in advance, use a FOR loop. If the number of iterations is not known in advance, but deter...
5 días ago | 0
| accepted
How do I create a box in Matlab?
box is a built-in Matlab command. It seems, like your teacher has shadowed this function with his own function. This is a bad pr...
5 días ago | 0
Distance of a point to a patch
See: https://www.mathworks.com/matlabcentral/fileexchange/52882-point2trimesh-distance-between-point-and-triangulated-surface ...
5 días ago | 0
Discretize sphere into 3xN points
See: https://www.mathworks.com/matlabcentral/answers/353-uniform-distribution-of-n-points-within-a-sphere https://www.mathwor...
5 días ago | 0
| accepted
Not enough input arguments for bisection method function.
You have defined f() with 2 input: function y = f(pH,pCO2) but you call it with 1 input only: while f(xl)*f(xu)>0 I guess yo...
5 días ago | 0
| accepted
How to convert nested structure to contain its original data?
myFolder1 = ('C:\Users\User\Documents\Signals'); mysignals = dir(fullfile(myFolder1, '**', '*.mat')); N = numel(mysignals); m...
5 días ago | 0
| accepted
i am getting error in line 18 of invalid use of operator.please help me solving this
For me line 18 is: subplot (1 ,3 ,1); I do not see a problem here. But in the next line: plot ([0; modes (:,1)] ,0:3 ,’bo-’ )...
5 días ago | 0
Zeros between Sign Change of Values in column
data = [ ... 1 0; ... 2 0; ... 3 0.00047; ... 4 ...
5 días ago | 0
| accepted
FOR LOOP , beginner question.
disp ("ANSWER"); for x = [0.10, 0.15, 0.20] d = ((34.63 / x) - 5.126) / 2.54; fprintf("%12g%12g\n", x, d) end Or: x ...
5 días ago | 0
Use of break in if?
"MAtlab donot work in more than 6 (if() elseif() else end)" - of course Matlab handles much more nested IF branchs than 6. Chec...
5 días ago | 0
Intersect for multiple vectors
If this is the goal: "find elements that are common to at least two vectors": A = [1 2 3 7]; B = [2 2 4 6]; C = [1 3 2 5]; ...
5 días ago | 1
| accepted
Exiting if condition when condition is not met, but continue for loop
The continue statement does proceed the loop, exactly as you have described your needs. Why do you think, that "it does not prom...
5 días ago | 0
| accepted
Angles from different triangles calculated simultaneously - Matrix Dimension Problem and Storage of values
What about moving the code to display one triangle into a function? %First Triangle Second Triangle ShowTri([-0.06541...
5 días ago | 0
| accepted
How to find an array in a vector or matrix?
The output of FIND shows you, that qp100max is not the maximum value of q_p_d100, but it is not even an element of the vector: ...
6 días ago | 1
| accepted
Matlab don't show calculated variables.
I get a dfifferent output than you: syms C0 C1 C2 C3 X L P EI1 EI2 Y(X)=C0+C1*X+C2*X^2+C3*X^3; dY(X)=diff(Y(X),X); d2Y(X)=di...
6 días ago | 1
Granting MATLAB permissions to access folders
To modify Matlab's path variable, you need access to: fullfile(matlabroot, 'toolbox', 'local') Here the path is stored in path...
6 días ago | 0
Using randperm in a loop
a1=[]; for oz=1:999 index=randperm(numel(VID1),2); if ismember(index,a1)==1 continue end a1=[a1; index];...
6 días ago | 0
| accepted
Stop automatically showing "data tips"
Include this in the startup.m function: if ~verLessThan('MATLAB','9.7') set(groot, 'defaultAxesCreateFcn', @(ax,~) disable...
7 días ago | 0
| accepted
How to call a function, como llamar una funcion
Insert the code into a file called "bissecion.m" and save it to a folder, which is included in the PATH. See: doc addpath Then...
7 días ago | 1
| accepted
Select a Web Site
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
Select web siteYou can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)