Stijn Haenen

Last seen: 2 días ago

98 total contributions since 2019

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Answered
Using matlab find power dissapated by 8ohm resistor and current supplied by 10v source
That is not a matlab problem, just use the formulas: P=I*V & V=I*R

5 meses ago | 0

Answered
Serial port is not working
Oh i solved my own problem, i should use int8 commands: fwrite(s, [hex2dec('64')], 'int8');

5 meses ago | 0

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Question

Serial port is not working
Hello, I am working with the USB-RLY82 from robot-electronics.co.uk I have connected this device to the computer and it is av...

5 meses ago | 1 answer | 0

1

answer

Answered
Append a row to a workspace table
If you have two tables for example: a=table(); a.Var1(1,1) = 1; a.Var2(1,1) = 1; a.Var1(2,1) = 3; a.Var2(2,1) = 3; b=tab...

5 meses ago | 0

Answered
How to find all possible paths from point A to B in any direction in a matrix?
With this script you got all possible paths, but it is very slow so you have to optimize it (shouldnt be that hard but dont have...

5 meses ago | 1

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

7 meses ago | 1

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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...

7 meses ago | 1

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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)=[];

7 meses ago | 0

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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)

9 meses ago | 0

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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);

10 meses 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...

10 meses ago | 0

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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

10 meses 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...

10 meses 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...

10 meses ago | 0

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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...

10 meses 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...

10 meses 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)

10 meses 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...

10 meses 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...

10 meses ago | 0

Submitted

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

10 meses ago | 1 download |

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 ...

11 meses 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?

11 meses ago | 0

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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

12 meses ago | 1

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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...

12 meses 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...

12 meses ago | 0

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

12 meses 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 ...

12 meses 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...

12 meses 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);...

12 meses 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...

12 meses ago | 0