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Konrad


Universität Freiburg

Last seen: Today Active since 2017

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  • 6 Month Streak
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Answered
find the average pixel value of matrix of images
Hi Michael, allImages{i} = ... creates a cell-array containing the images. If your images are all grayscale and of the same si...

ongeveer een maand ago | 0

Submitted


PyColormap4Matlab
Simple Matlab and python script that import colormaps from matplotlib into Matlab.

ongeveer een maand ago | 69 downloads |

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Answered
How to call python Script in specified environment in Matlab?
Hi, please see this answer by Walter. I think pyenv() affects only python calls using the py.-prefix. But calling python via s...

2 maanden ago | 1

| accepted

Answered
How to recenter spatial data?
hi, maybe I didn't get it, but why not just add 180? lonW = lon + 180;

3 maanden ago | 0

| accepted

Answered
Precision of numbers problem (I think)
Hi Phillip, yes, it has to do with precision. ismember(phys_diffs,new_data(:,2)) % ans = % 1×7 logical array % 1 0 ...

4 maanden ago | 0

Answered
Mean and median at each interval
Hi data = readtable('Data.xlsx'); % read data data = data(~ismember(data.Volume,[0 1]),:); % exclude rows where volume=0 or vo...

4 maanden ago | 0

| accepted

Answered
Auto update row index to match the variable length
Hi you can use b(1:numel(a),k) = a if k is scalar. Best, K

4 maanden ago | 0

Answered
Wie kann ich einen unbekannten String in einem Array finden? | finding an unknown string in an string array
Hi Patrick wenn ich richtig verstehe möchtest Du alle strings im array finden die mit * anfangen?! Das kannst Du so machen: st...

4 maanden ago | 0

| accepted

Answered
String to number from array
Hi Nicle you need str2double() (or str2num()), not double(). double() gives you the UTF(?) code corresponding to the input st...

4 maanden ago | 1

| accepted

Answered
Why am I getting wrong outputs with this MATLAB code?
Hi, i've rewritten the code without all the hard-coded indices, which I couldn't make sense of and which made your code very ha...

4 maanden ago | 0

Answered
enter a string of characters and numbers, add and return the sum of the numbers in matlab, for example: 'there are two blue birds and 4 red birds on the branch'--> return 6
Hi if you only need to handle numeric type, I'd recommend regular expressions: strng = ' 2 blue birds and 4 red birds'; res_s...

5 maanden ago | 0

Answered
Get values of the particular line from surf plot
Hi Ramesh, the contour3() function returns the contour matrix (see help) containing x- and y-coordinates of the contour. You ca...

5 maanden ago | 1

| accepted

Answered
Calculate mean of matrix for specific interval
Hi Pelle, you need to index your variable DEM correctly: DEM_mean2 = mean(DEM(11:110,:)); Best, Konrad

5 maanden ago | 1

| accepted

Answered
Animation video from data points, giving error below
Hi Muhammad, it seems that the video you are trying to create is too large to fit into memory. You can either run the code on ...

5 maanden ago | 1

| accepted

Answered
could someone please tell me why my code returns complex answers while it is about room temperature ?
Hi, One quick guess: in your equation (eqn(number_of_nodes) = ...) you are raising to the power of .24, which means you are ta...

5 maanden ago | 0

Answered
Help reorganizing data in a table
Hi Andrew, I think unstack() is what you're looking for: T=readtable('example_sheet.xlsx'); uT = unstack(T,{'Duration' 'Ratin...

6 maanden ago | 0

Answered
Is it possible to extract 2 separated sections from the same table?
Hi Ruth, you can create indices into rawdata for your subjects and pilots programmatically like this: filename='RES_IAS (1).xl...

6 maanden ago | 0

| accepted

Answered
3D bar graph of Z with data in X Y Z array
Hi, provided that x and y are always positive integers, this may be a good start: tab = readtable('XYZ_Data.txt'); zarray = z...

6 maanden ago | 1

Answered
How do I plot points coming from a for loop without using vectors?
Hi, values on the x-axis are not equally spaced because on every interation you increase L by i, which itself is increased by 1...

6 maanden ago | 0

| accepted

Answered
How to stackplot a table?
Hi Oliver, does this code produce the plot you need? load('example.mat', 'table') figure; nvar = size(table,2)-3; t = [tabl...

6 maanden ago | 0

Submitted


uniqueCells
Implementation of unique for ND cell arrays of mixed type. Avoids num2str and provides switches for unique rows and to treat NaN...

meer dan 3 jaar ago | 1 download |

Answered
How to read files from sub folders in sorted order?
Hi, one solution would be to convert the time suffix to numeric and sort the numbers: d = dir('Time*'); n = {d.name}; ...

meer dan 3 jaar ago | 0

Solved


5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

meer dan 3 jaar ago

Solved


"Cody" * 5 == "CodyCodyCodyCodyCody"
*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...

meer dan 3 jaar ago

Submitted


RNG-Indices-of-Randomness
Implementation of various indices of randomness as measures of RandomNumberGeneration performance; a task assessing executive fu...

meer dan 3 jaar ago | 1 download |

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Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

ongeveer 4 jaar ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

ongeveer 4 jaar ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

ongeveer 4 jaar ago

Solved


The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

meer dan 4 jaar ago

Solved


Number of Even Elements in Fibonacci Sequence
Find how many even fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

meer dan 4 jaar ago

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