Benjamin Großmann

Last seen: etwa ein Jahr vor | Aktiv seit 2016

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How can I save a UIaxes-figure in a Matlab-Web-App by button callback
You can use exportgraphics(obj,filename) to write a graphics object obj to filename on the web app server temporarily. Afterward...

etwa ein Jahr vor | 0

Beantwortet
What MATLAB functions are underappreciated?
arguments declaration within functions, introduced in 2019b, is very powerful (pythonic? ;-)) for writing generic and reusable f...

mehr als ein Jahr vor | 0

Beantwortet
Batch input for image preprocessing and KNN classification
You could do one of these three things (incomplete list): Use an imageDatastore object for your image collection and the ReadF...

mehr als ein Jahr vor | 0

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how to plot 2D contour lines from the data file
contour(x, y, z) gives you the contour plot, z is the intensity value Contour plot of matrix - MATLAB contour EDIT: To create...

mehr als ein Jahr vor | 0

Gelöst

An Ohm's Law Calculator
*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...

mehr als ein Jahr vor

Gelöst

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

mehr als ein Jahr vor

Beantwortet
How to merge two matrixes by position vector?
Maybe this works. Hard to tell because the randi images are not so comparable to your image. Basic idea is to combine the coord...

mehr als ein Jahr vor | 0

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How to write a function that utilizes unit vectors?
If you can calculate the vector components (i.e. directions) than you only have to arrange them into an array. Suppose that you ...

mehr als ein Jahr vor | 1

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Same code line works outside but not inside for loop.
The problem is, that the xlsx file contains protected spaces ( char(160) ) and you are comparing to normal spaces. Quick and v...

mehr als ein Jahr vor | 0

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How to load and and open multiple files in one loop?
I do not see the definition of Ftarget1ref. Moreover, the variable "filename" is overwritten in every step of the for loop. I r...

mehr als ein Jahr vor | 0

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Trying to build an app for user to define dimensions for a m*n grid that can tell the app to automatically make the dimensions of check boxes that were requested.
In app designer add two "edit field (numeric)", name the first one editN and the second one editM. Next, add a button, named "Bu...

mehr als ein Jahr vor | 0

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how to add variable to array
Okay, maybe I understood the problem: If you have an array of PPG and ECG values and a constant fs you could do something like:...

fast 2 Jahre vor | 0

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show a digit matrix with segmentation line
matrix = [ 1 1 1 1 2 2 2 2; 1 1 1 2 2 2 2 2; 3 3 3 3 3 2 2 2; 3 3 3 3 3 3 3 3]; heatmap(matrix, 'Colormap', [1 0 0; ...

fast 2 Jahre vor | 0

Beantwortet
Finding the maximum time of ode45
The max function is able to output the index of the max value: [ymax, idx_max] = max(abs(y)) tmax = t(idx_max)

fast 2 Jahre vor | 0

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Question regarding strange outputs from histogram plot
If you do not provide any code, it is hard to tell what went wrong here. If I use your image, everything looks fine: imageURL =...

fast 2 Jahre vor | 0

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How can I save the output in a loop to an external text file?
There are a few problems inside your loop. In each step you set m equal to zero and increment it to one. So m is not growing as ...

fast 2 Jahre vor | 0

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Beantwortet
How to plot this equation?
I assume that p is a dependent variable (pressure?), r is radius (spatial), and t is time (temporal). With this assumption, you ...

fast 2 Jahre vor | 0

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Source and Target to simmetrical adjacency matrix
Use graph(source, target) for undirected graph or digraph(source, target) for directed graph to define a graph. I assume you hav...

fast 2 Jahre vor | 1

Beantwortet
How to recover check box value?
get(chkBox, 'Value') as well as chkBox.Value should work with visible and invisible uifigures equally. % Create invisible uifig...

fast 2 Jahre vor | 1

Beantwortet
Removing values from plot and applying curve
You can remove values from an array by setting them to empty. Use logical indexing to address the values that you want to delete...

fast 2 Jahre vor | 0

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Gelöst

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

fast 2 Jahre vor

Gesendet

Merge PDF-Documents
Merges multiple pdf documents into one pdf document

fast 2 Jahre vor | 40 Downloads |

Beantwortet
Merging pdf without ghostscript
Four years later ... I contributed a tiny function to FEX to merge multiple pdfs without third party tools: mergePdfs - File Ex...

fast 2 Jahre vor | 3

Beantwortet
Multiple plots to one pdf
Save each figure to one pdf-Document (using print, exportgraphics, ...) and try out my new FEX submission to merge the pdf-docu...

fast 2 Jahre vor | 0

Beantwortet
SIMILAR COMMANDS FOR CREATING .TXT FILES
You can use dlmwrite to write an array into a text file and specify the delimiter or use fprintf to have more control about the ...

mehr als 2 Jahre vor | 0

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Save a .FIG as .JPG (syntax error?)
To save a jpg with saveas() you have to give a proper figure handle (at least gcf) as first argument and change '.jpg' to 'jpeg'...

mehr als 2 Jahre vor | 1

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Kanal

firstChannel

fast 3 Jahre vor

Gesendet

RTP_SystemIdentification
App to create simulink systems based on series of first/second order numerators/denomitaors

fast 3 Jahre vor | 2 Downloads |

Beantwortet
deleting a part of a column - date to date??
clearvars close all clc % lets create the date column (I only use 1 hour with increment of 1 minute), but this should works...

fast 3 Jahre vor | 0

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Beantwortet
How to create a confusion matrix.
Lets use the cifar10 demo included in Matlab for your question clearvars close all clc load('Cifar10Labels.mat','trueLabel...

fast 3 Jahre vor | 0

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