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Stijn Haenen


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93 total contributions since 2019

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Answered
objects of one class into another class
If you have these two classes: classdef clwinding properties d w end methods function...

5 days ago | 1

Answered
objects of one class into another class
If you define for example your class like this, you can multiply two object values: classdef BasicClass properties V...

5 days ago | 1

Answered
How to delete/copy (store) rows of a struct?
You can delete the last 13 rows with: struc.data=[1:45]'; struc.data(end-12:end)=[];

8 days ago | 0

Answered
how to solve a 5th degree equation and write a loop function with it
use the functions syms and solve: syms x solve(x==a*b*(1-x)^5)

2 months ago | 0

Answered
Create results .txt files with loop
you can create txt files with: FP=fopen(sprintf('test%g.txt',1),'wt'); fprintf(FP,num2str(data)); fclose(FP);

3 months ago | 0

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Answered
How can I make a scatter plot with different markers ?
maybe somthing like this: symbol_list=['*';'+';'o';'<']; for i=1:4 scatter(x(:,i),y(:,i),symbol_list(i)) hold on en...

3 months ago | 0

Answered
Create row with text from loop for a table
you can create table headers with: a=table(); for i=1:10; a.(sprintf('bar %g',i))=i; end

3 months ago | 0

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Answered
Continuous Spectrogram from multiple wav files.
Something like this: data_tot=[]; >> for i=1:numel(files) data=audioread(files(i)); data_tot=[data_tot ; data]; end...

3 months ago | 0

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Answered
how to identify leap years
There is a leap year every four years, so you can use this: if mod(year,4)==0 'leap year' else 'not a leap year' en...

3 months ago | 0

Answered
Creating a data matrix that self generates.
somthing like this: count=0; m=zeros(100,1); rand_int=datasample(1:100,1); m(rand_int)=1; old_matrix=reshape(m,[10 10]); f...

3 months ago | 1

Answered
how can i solve this error?
You should use this: x=1:0.1:6; for i=1:numel(x) h(i,:)=z2+(x(i)-ls)*z4; end or even without ':' x=1:0.1:6; for i=1:numel...

3 months ago | 0

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Answered
print the element of a matrix
a=-Inf; for i=1:numel(matrix(:,1)) if matrix(i,1)>a; a=matrix(i,1); end end disp(a)

3 months ago | 1

Answered
print the element of a matrix
You can use: a=max(matrix(1,:)); disp(a) to disp the max value from the first row, or b=max(matrix(:,1)); disp(b) to ge...

3 months ago | 0

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Answered
How to join two points, on a 'map', created with the command 'ginput'?
You can use this code, which contains the function ginput_norm: https://nl.mathworks.com/matlabcentral/fileexchange/75469-ginput...

3 months ago | 0

Submitted


ginput with normalized coordinates of the figure window.
Graphical input from mouse.

3 months ago | 4 downloads |

Answered
replace updated data with previous data in Matlab while Matlab and excel are linked.
Make a while loop in which matlab reads the data from the excel file every minute or every hour. You can generate a script that ...

4 months ago | 0

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Answered
Reading and Replace lines in input data for many lines
What about creating a new txt file in every loop and overwriting the existing file2.txt instead of replacing lines?

4 months ago | 0

Answered
What is z1 appearing when solving this nonlinear system for x y and z?
You can try to use the function vpasolve instead of solve

4 months ago | 1

Answered
Legend with different text color and Latex Interpreter
I dont think it is possible to change the color with the latex interpreter. It can be used to make text bold for example and ins...

4 months ago | 0

Answered
How can I create a point shapefile from a csv (or matrix) with lat/long columns?
Im not sure what you want, but maybe this can help: for i=1:1780 T.(sprintf('var%g',i))=sprintf('var%g',i); end This cre...

4 months ago | 0

Answered
plot fails with -Inf
you can use Px(isinf(abs(Px)))=0; to set all -Inf values to 0

4 months ago | 0

Answered
How do I display the output of my stats_
Im not sure what you mean. With the command 'gcf' you get all the stats of the figure. The stats of the maskImage are in your ...

5 months ago | 0

Answered
How can I perform region growing with two seed points?
Can you upload an image, and give examples of the values: I,x,y,x2,y2,reg_maxdist1,reg_maxdist2, then we can run the code and ch...

5 months ago | 0

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Answered
Creating a run log/count with a for loop within a table.
I think this is what you are looking for: switch_list=zeros(length(data),1); switch_list(2:end)=data(2:end,2)-data(1:end-1,2);...

5 months ago | 0

Answered
How to extract values from an array?
val1 contains the numbers x(1), x(2) x(3) and x(4). val2 contains the numbers between x(1) and x(4) with steps on 1, but x(4) is...

5 months ago | 0

Answered
How do I find a center of rotation having a set of 3D points ?
If each point represent the same amount of mass, the center of rotation is just the average position of all poisitions, when eac...

5 months ago | 0

Answered
how can i split a 400*400 matrix into smaller one
what about this: num_list=0:40:400; data=[]; Image=zeros(400); for a=1:numel(num_list)-1 for b=1:numel(num_list)-1 ...

6 months ago | 0

Answered
save data to a new row in a table for each iteration of a for loop
something like this might be useful for you: data=[]; for i=1:0.1:10 data(:,end+1)=[i^2;i^3];%just example of data end

6 months ago | 0

Answered
It's posible to make figure always maximized and block minimized option?
You can do this with position function of a handle: h=figure(); h.Position=[1,41,1536,749] % depends on your screen size, 1 41...

6 months ago | 0

Answered
How not to delete one element of a figure when using cla?
Maybe you can delete one of the 'Children' of the figure. type: h.Children and check if there is any data that can be delete...

6 months ago | 0

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