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Jonas


Last seen: Today Aktiv seit 2020

Programming Languages:
C++, Java, MATLAB
Spoken Languages:
English, French, German

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  • 6 Month Streak
  • Knowledgeable Level 5
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  • Thankful Level 3
  • Revival Level 2
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Beantwortet
How to extract data from a table format HTML?
without digging deeper into html, we can use just text seach: d=webread('http://www.knapsackfamily.com/knapsack_core/informatio...

etwa 11 Stunden vor | 0

Frage


How to ensure that a MATLAB executable can communicate with NI Data Acquisition Cards
Dear community, I want to create a small Matlab GUI which can handle NI DAQ devices. Later, I want to compile my application to...

ein Tag vor | 0 Antworten | 0

0

Antworten

Beantwortet
How to interpolate a set of data wher the X size is different for the Y size
you can usw meshgrid to prepare your xq and yq: Y=9:13;X=1:2:5;Z=rand(5,3); [xq,yq]=meshgrid(1:0.5:5,9:0.5:13); inter...

12 Tage vor | 0

Beantwortet
Find number in vector
find(A>3,1)

12 Tage vor | 1

| akzeptiert

Frage


Reading uint8 from raw data takes much more RAM then expected
I am trying to read some MB of data from big files of several GB. I am using the follwing code: fid=fopen(filename,'r'); fseek...

15 Tage vor | 1 Antwort | 0

1

Antwort

Beantwortet
Help in 2D plot of coefficients
why not use normal plot command? RealCoefficient= [0.0723, -11.0000, 0.001, 0.0011, 0.0012, 0.0013, 0.0014, 0.0015, 0.0016, 0.0...

22 Tage vor | 0

| akzeptiert

Frage


audioDeviceReader: error when choosing ASIO driver for input mic
Dear community, I have an error when I want to choose the Device for the audio device reader interactively. Altough the String ...

22 Tage vor | 0 Antworten | 0

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Beantwortet
open software and run script via command line
without looking into the detail, you have to chain commands in the system commands using a & sign also: use the output argument...

etwa ein Monat vor | 1

Beantwortet
How to put subscript in uilabel text and can I specify location on same line?
for subscript, use other text interpreters, e.g. tex uilabel("Text","K_a","HorizontalAlignment","center",'Interpreter','tex'); ...

etwa ein Monat vor | 1

| akzeptiert

Beantwortet
Smoothing curve plot with some data points
x = [-27.59;-32.36;-32.36;-24.99;-25.12;-32.62;-37.62;-42.62;-37.62;-37.62;-40.11;-40.11;-37.61;-33.36;-29.11;-27.11;-25.11;-20....

etwa ein Monat vor | 0

| akzeptiert

Beantwortet
Is it possible to use vertcat with dot notation?
if you just want to have all file names available, you could use { } e.g. in a cell array {filename.name} if you do not need ...

etwa 2 Monate vor | 1

Beantwortet
Action on close of spectrumAnalyzer() object/windows
alright, I now got it. we can close and open the scope Window using show(scope) and hide(scope) und we can check if the scope wi...

etwa 2 Monate vor | 0

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Beantwortet
Action on close of spectrumAnalyzer() object/windows
my insight so far: I have seen, that a new Process is created, and the Window Name has the title "Spectrum Analyzer". we could ...

etwa 2 Monate vor | 0

Beantwortet
How to plot two .fig file as subplots in a new figure window ?
here a kind of manual solution, adapted from the function given on file exchange: h(1) = openfig('fog.fig','invisible'); ax(1)...

etwa 2 Monate vor | 0

| akzeptiert

Beantwortet
matrix per minute in plot per hour
you mean something like that? or do you want another format? plot((1:96)/4,rand(96,1)); xticks(0:3:24) xlim([0 24]); xlabel(...

etwa 2 Monate vor | 0

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Beantwortet
How to save a high resolution image in MTALB?
exportgraphics() is available since 2020a which release are you using?

etwa 2 Monate vor | 0

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Beantwortet
How do I make a specific range of numbers and increment?
use colon operator T=100:50:500

etwa 2 Monate vor | 0

Beantwortet
Buffer around a value in a matrix.
A=[ 0 0 0 0 1 0 0 1 1 0 0 0 0 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 0 1 0 0 0 1 1 0 0]; B=imfilter(A,ones(3...

etwa 2 Monate vor | 0

| akzeptiert

Beantwortet
efficient way of importing excel sheet
if you activate MultiSelect in uigetfile, you can select more than one file. The resulting variables are then cell arrays with t...

etwa 2 Monate vor | 0

Frage


Action on close of spectrumAnalyzer() object/windows
Dear community, at the moment I am preparing for some real time processing on audio recordings. I want to end the inifinite rec...

etwa 2 Monate vor | 2 Antworten | 0

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Antworten

Beantwortet
How to sort a part of a given array?
just use indexing to reassign those numbers data=20:-1:1 data(1:5)=sort(data(1:5),'ascend')

etwa 2 Monate vor | 0

Beantwortet
how to create different matrices?
you could split them into multiple 400x1 vectors by this data=rand(30000,1); data=reshape(data,400,1,[]); size(data) you can...

etwa 2 Monate vor | 1

| akzeptiert

Beantwortet
Summing the values with looping
you could generate all values you asked for with a single expression. if you want the sum until a specific n, use cumsum() on th...

etwa 2 Monate vor | 0

Beantwortet
How can I draw contour lines with a given excel Data sheet
you mean something like that? mtx=readmatrix('F_22_Project Data.xlsx','Range','D9:V32'); contour(0:20:360,0:20:460,mtx)

etwa 2 Monate vor | 0

| akzeptiert

Beantwortet
i want to know the fitness
i guess you are seraching for the correlation of X and Y coordinates see corr() and corrplot()

2 Monate vor | 0

Beantwortet
How do I plot grid points in a wedge-shaped volume?
you could add the third dimension like that: x=-6:6; [X,Y,Z]=meshgrid(x); r=5; phi=pi/2; % from [0,pi] theta=pi/4; % ...

2 Monate vor | 0

Beantwortet
MATLAB 2022b removing spaces from strings in concatenation?
"For character array inputs, strcat removes trailing ASCII whitespace characters: space, tab, vertical tab, newline, carriage re...

2 Monate vor | 1

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Beantwortet
How can i find the Majoraxislength and Minoraxislength of each cell present in binary image ?
a call to regionprops should suffice: clear; im=imread("image.png"); im=rgb2gray(im); % to grayscale im=im~=0; % make bina...

2 Monate vor | 0

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Beantwortet
Name points on a plot based on their order
you could add the line text(ri(:,1),ri(:,2)+0.05,cellstr(num2str((1:size(ri,1))'))) or text(ri(:,1),ri(:,2)+0.05,strsplit(num...

2 Monate vor | 0

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Beantwortet
Traslate and Rotate a point cloud
if you have a matrix nx3, with each row being one set of point corrdinates you can translate first and rotate afterwards using s...

2 Monate vor | 0

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