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Stijn Haenen


Last seen: 2 dagen ago Active since 2019

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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...

10 maanden ago | 0 answers | 0

0

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

meer dan een 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');

meer dan een 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...

meer dan een 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...

meer dan een 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...

meer dan een 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 een 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 een 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 een 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 een 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 een 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 een 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 een 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 een 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 een 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 een 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 een 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 een 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 een jaar ago | 0

| accepted

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 een jaar ago | 0

Submitted


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

meer dan een 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 ...

bijna 2 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?

bijna 2 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

bijna 2 jaar ago | 2

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...

bijna 2 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...

bijna 2 jaar ago | 0

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

bijna 2 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 ...

bijna 2 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...

bijna 2 jaar ago | 0

| accepted

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);...

bijna 2 jaar ago | 0

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