# Sky Sartorius

Last seen: 5 dagen ago Active since 2010

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Aerospace engineer Professional Interests: aircraft design, UAVs, optimization, rotorcraft, education

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Submitted

Actuator Disc Momentum Theory, with Inverse
Actuator Disc Momentum Theory with Inverse Formulation

Submitted

is___ - isodd, ispositive, isint, isnatural, etc.
A small set of simple is___ utility functions convenient to have on the path.

Solved

Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

meer dan een jaar ago

Problem

Create spiral matrices
Create a matrix of a given size with sequential elements spiraling inward. For matrix height m and width n, the output should ...

meer dan een jaar ago | 0 | 3 solvers

Solved

Return the middle element of an NxN square matrix where N is odd
Let's say you are given an NxN square matrix where N is always going to be an odd number: x = [ 1 2 3 4 5 6 7 8 ...

meer dan een jaar ago

Solved

ZigZag - 04
Given a matrix, print all its elements in the spiral form (clockwise direction). For example, a=[16 2 3 13 ...

meer dan een jaar ago

Solved

Wind outward from the center ...
Create an n-by-n matrix with elements ranging from 1 to n^2 in a rectangular spiral pattern. Example if n = 5 : 21 ...

meer dan een jaar ago

Submitted

Piecewise and blended functions
Create piecewise functions or smoothly blend functions.

Randomly select a number from a column of a stored matrix, stores the respective row
You can use randi to randomly generate the index you need, rowInd = randi(256,1); then use that index to pull out the row from...

bijna 3 jaar ago | 1

| accepted

Submitted

Physical Units Toolbox
Enables operations using hundreds of supported physical units of measurement and physical constants.

Submitted

Check Matlab code that is supposed to throw errors or warnings.

Submitted

Standard Atmosphere Functions
Standard atmosphere gas properties. Support for n-dim inputs, non-standard atmospheres, units, etc.

Submitted

Similar to a character string, but displays itself in the command window as a clickable link.

Plot x^2+y^2=4
There are a few ways to go about this. One that is somewhat agnostic to what the equation is trying to represent (in this case, ...

meer dan 4 jaar ago | 1

| accepted

select random number from an array with probabilities
You can query the cumulative probabilities: S = [4, 3.9, 3.8]; w = [0.5, 0.4, 0.1]; w = w/sum(w); % Make sure probabilites ad...

meer dan 4 jaar ago | 1

get the x-value of a point on curve
This is a table lookup / interpolation problem. For your data, you'll first have to make sure there aren't any repeated y values...

meer dan 4 jaar ago | 5

how do i open a browser in matlab ?
Use uigetfile: https://www.mathworks.com/help/matlab/ref/uigetfile.html Or if you have the toolbox, help uigetimagefile

meer dan 4 jaar ago | 0

Size of a figure that I copy from Matlab to Powerpoint
I find that MS products sometimes have behavior as though they're taking a guess at what the pasted figure size should be. I fin...

meer dan 4 jaar ago | 0

How can I create a 3D plot of data with dots of different color?
Use a scatter plot and CData: n = 100; xData = 1:n; % Placeholder - I assume you have additional information about the data to...

meer dan 4 jaar ago | 0

How to create an object using class name
A quick and dirty approach that will work in many cases is to use eval: function new = createNewObjectOfThisClass(original) ne...

meer dan 4 jaar ago | 0

Converting a row to diagonal matrix
Another guess at the intended meaning of the question could be that the values should be filled along the diagonals (instead of ...

meer dan 4 jaar ago | 0

Submitted

MATLAB Style Guide Wiki access and search function
Tips for writing clear code. Search the MATLAB Programming Style Guide Wiki from the command line.

Submitted

fig - faster, more intuitive alternative to figure function
Manage figure windows by name and prevent figure window clutter.

Submitted

Bisection Method Root Finding
Very simple to use and robust method that takes array inputs, so it even has advantages over fzero.

Submitted

File Exchange Library Builder

Submitted

Pseudorandom number generation for engineering estimates
Tools for generating pseudorandom numbers, primarily geared toward making engineering estimates.

Submitted

Matrix plotting
Plot using single 2 x n (or 3 x n) matrices as inputs instead of x, y, (and z) vectors.

Question

What method do I overload to control display behavior in the workspace window?
When using a subclass of double (for example the ExtendDouble class from the <https://www.mathworks.com/help/matlab/matlab_oop/b...

meer dan 6 jaar ago | 0 answers | 0