Niklas Kurz
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Content Feed
Frage
App designer: How to define self-referring properties?
I'm getting into app designer once again, and right from the start I'm getting desperate. When defining a property, I receive a...
etwa 2 Monate vor | 1 Antwort | 0
1
AntwortFrage
How to convert a string into a variable name and assign it a cell of data?
I've read multiple post: converting a string into a variable name seems quite problematic, but in my case convenient. It's abou...
4 Monate vor | 1 Antwort | 0
1
AntwortFrage
How to use string as plot arguments
I was fiddling around a lot: Having two plots, I want to spare some work and define a common string to feed into both plots argu...
4 Monate vor | 1 Antwort | 0
1
AntwortFrage
Increasing speed by fixing axis and grid outside of a loop
Heres a minimal example of what I mean: Axis and grid are set before the loop Pos = [0 0]; axis([0 1 0 1]); grid on ...
5 Monate vor | 1 Antwort | 0
1
AntwortFrage
While loop with all elements meeting the conditions
How do I set a while loop that runs until all elements meet the condition? For instance: t = -100:200; F = t; ind...
5 Monate vor | 1 Antwort | 0
1
AntwortFrage
How to combine 2 function handles of different variables?
Strangely enough I was not able finding an answere to this sinewy problem: Given 2 function handles mu = @(n, dmu, mubar)...
5 Monate vor | 2 Antworten | 0
2
AntwortenFrage
Using Matlab to create a LaTex document (for image import)
In order to import multiple figures in LaTex from one folder I have found following code: fileID = fopen('./incl_img_latex.t...
11 Monate vor | 1 Antwort | 0
1
AntwortFrage
How to give trail to particles/ How to fade out plots with time (complex example)
Inspired from a webproject I have created this n-body-simulation: First of a function to acces on: % calculating accelerati...
12 Monate vor | 2 Antworten | 0
2
AntwortenFrage
Matlab simulation for planet motion
There were some attemps simulating planetary motion already, but I think mine is straightforward by solving and updating positi...
etwa ein Jahr vor | 2 Antworten | 0
2
AntwortenFrage
How to plot wave function for finite square well? [Physics question]
A question addressed to other physicist among the MATLAB community: Considering a finite sqaure well potential: It turns o...
etwa ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
LaTex for Titles in Appdesigner now possible?
I'm now finding into appdesigner myself and have saw multiple people asking how to incorporate LaTex. There are some workaro...
etwa ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
How to plot symbolic function with string specification?
Briefly I want to execute syms x f = x fplot(f,'b','LineWidth',2) but a little fancier. I want the specification to be a ...
etwa ein Jahr vor | 2 Antworten | 0
2
AntwortenFrage
Matlab wouldn't find simple inverse
Given the function defined via syms x a real; f = x^(a-1) Why Matlab won't find an inverse to that? finverse(f) is resulti...
mehr als ein Jahr vor | 2 Antworten | 0
2
AntwortenFrage
How to plot vectors exactly on the edge of another graph?
The best I've got is expressed by the following: clear [u,v] = meshgrid(-2:0.2:2); f = u.^2+v.^2-1; [du,dv] = grad...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
Matlab warning when using log
I have quiete a long script basically just consiting of comments for plotting pairs of points and customizing the resulting plo...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
How to fit a gaussian to unnormalized data
I do know this question has been asked in several kinds plus it's rather a mathematical question for mathstack like sites. But...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
Does order of multiplication really matter when using simplify ?
I noticed, when I type the following commands: syms x; syms n integer; cn = int(abs(x)*exp(-i*n*x),x,-pi,pi); cnp = ...
mehr als ein Jahr vor | 2 Antworten | 0
2
AntwortenFrage
expand and simplify are not reverse?
I thought any symbolic function that I expand I can simplify getting same results in both direction. But it seems to be just one...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
How to show axis in 3D
Any time I plot in 3D I get a little confused because of aggravated orientation. The main reason is the missing default visualis...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
improper integral: exp(ikx) undefined in Matlab?
I wanna integrate: With solution: But Matlab gives NAN: syms x k; assume(k,'integer'); int(exp(1i*k*x),x,-inf,inf)
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to fill a volume plot of a vector valued functions (with 3 variables)
Again, I'm ascending new ground, now dealing with volume plots. I'm aware of Matlabs documentary concering this topic. But it do...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Filling inside of a plot with color (gradient)
I'm coming back to filling areas with color, trying this time to get the most beautiful result: Here I've got the plain vect...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to include function in legend
I tried all possibl string2functions of Matlab, but not getting quiete the result. Here's my best try: syms x F = x^2; % ...
fast 2 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Two different solutions for one differential equation (population model)
I'll try solving the ODE: Substituting Transforming to: Solving I get: Finally, after back substitution: complete so...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Error when using variable in axis
I've: syms w we B U A = (w*U)/(sqrt((-w^2+we)^2+(B*w)^2)); syms R L C Aw = subs(A,{B,we},{R/L,1/(L*C)}); fplot(su...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to set Assumptions for function handle?
easy case: I'v gut a function handle: f = @(x,y,z)x.^2+y.^2+z.^2-1; fimplicit3(f) for plotting an implicit function. Now ...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Defining a simple function with text/string 'on'
The Idea I'm thinking about really is simple and actually just for getting used to 'functions' My Code is just based on: ax = ...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Quiver with color: Add-on
Sadly Matlab didn't enabled color-coded vectors in their ever so neat function quiver Therefore there are endless detours open ...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Matlab: differential equation: starting conditions are wrong?
I solved manually: with but if I solve it with Matlab: syms v(t) g alpha m v0; D = diff(v,t) == g - alpha/m*v; ...
fast 2 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
How to get multiple variables in 'assume' ?
For example If I were to set syms v m g k t real and I want all of them to be handled as variables greater than 0, but not b...
fast 2 Jahre vor | 1 Antwort | 1
1
Antwort
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