# Benjamin Großmann

Last seen: más de 2 años hace Con actividad desde 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...

más de 2 años hace | 0

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

casi 3 años hace | 0

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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...

casi 3 años hace | 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...

casi 3 años hace | 0

Resuelto

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

alrededor de 3 años hace

Resuelto

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

alrededor de 3 años hace

Respondida
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...

alrededor de 3 años hace | 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 ...

alrededor de 3 años hace | 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...

alrededor de 3 años hace | 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...

alrededor de 3 años hace | 0

Respondida
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...

alrededor de 3 años hace | 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:...

alrededor de 3 años hace | 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; ...

alrededor de 3 años hace | 0

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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)

alrededor de 3 años hace | 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 =...

alrededor de 3 años hace | 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 ...

alrededor de 3 años hace | 0

Respondida
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 ...

alrededor de 3 años hace | 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...

alrededor de 3 años hace | 1

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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...

alrededor de 3 años hace | 1

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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...

alrededor de 3 años hace | 0

Resuelto

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

alrededor de 3 años hace

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

alrededor de 3 años hace | 32 descargas |

Respondida
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...

alrededor de 3 años hace | 4

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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...

alrededor de 3 años hace | 0

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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 ...

alrededor de 4 años hace | 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'...

alrededor de 4 años hace | 1

Canal

firstChannel

alrededor de 4 años hace

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

alrededor de 4 años hace | 1 descarga |

Respondida
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...

alrededor de 4 años hace | 0