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Stijn Haenen


Last seen: 9 maanden ago |  Active since 2019

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Answered
Plot points with different brightness
That is possible by making a RGB matrix, for each point you need one row with RGB values. In the example below i used gray scale...

ongeveer 2 jaar ago | 1

Question


Error using powershell.exe: 'Select-Object' is not recognized
I want to get information about serial ports via the powershell. I got the results i want, when I write some line of code in co...

meer dan 3 jaar ago | 0 answers | 0

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answers

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

ongeveer 4 jaar ago | 0

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

ongeveer 4 jaar ago | 0

| accepted

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...

ongeveer 4 jaar 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...

ongeveer 4 jaar 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...

ongeveer 4 jaar ago | 1

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

meer dan 4 jaar 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...

meer dan 4 jaar 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)=[];

meer dan 4 jaar 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)

meer dan 4 jaar 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);

meer dan 4 jaar ago | 0

| accepted

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...

meer dan 4 jaar 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

meer dan 4 jaar ago | 0

| accepted

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...

meer dan 4 jaar ago | 0

| accepted

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...

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar ago | 0

| accepted

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)

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar ago | 0

Submitted


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

meer dan 4 jaar 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 ...

meer dan 4 jaar ago | 0

| accepted

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?

meer dan 4 jaar 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

meer dan 4 jaar ago | 3

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...

meer dan 4 jaar 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...

meer dan 4 jaar ago | 0

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

meer dan 4 jaar 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 ...

meer dan 4 jaar 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...

meer dan 4 jaar ago | 0

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