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# Sky Sartorius

249 total contributions since 2010

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

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Submitted

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

Submitted

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

Submitted

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

Submitted

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

Submitted

Simple propulsion performance estimation
Tools for simple estimation of aircraft propulsion performance.

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...

mehr als ein Jahr ago | 0 answers | 0

### 0

X Y Z coordinates matrix
You can use the |cat| command to 'stack' your three 2d matrices into a single 3d matrix: M = cat(3,x,y,z); This will giv...

mehr als ein Jahr ago | 0

| accepted

Generate Random numbers from a 2 D probability density function
Conceptually, you can generate random numbers for any arbitrary distributions by # Converting the pdf to a cdf. # Generating...

mehr als ein Jahr ago | 0

How to create an Object insertable in a 3D plot?
One approach could be to leverage the plotted object's XData, YData, and ZData, homogeneous coordinates, and the |makehgtform| f...

fast 2 Jahre ago | 0

Submitted

Surface area
Calculate surface area and centroid of a surface or mesh.

Submitted

File Exchange Library Builder

Submitted

Density altitude calculator
Finds altitude in the atmosphere as a function of air density.

Submitted

Show Origin
Sets the limits of axes such that the origin is shown.

Submitted

MCD - My change directory
Very quickly switch to a recent or preferred directory - all from the command line.

Reaching the element of an array passed to a function
The first step needs to be to find the indices of the array that correspond to the conditional statement. You can use something ...

etwa 2 Jahre ago | 0

| accepted

Submitted

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

Submitted

Like the built-in MENU function, but all in the command prompt so fingers never leave the keyboard.

How do i fit my data with two functions and a knot between them
The |tanh| function can be handy for creating a one-liner piece-wise function for feeding into a curve fitting tool. If you don'...

mehr als 2 Jahre ago | 0

| accepted

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

BLEND: utility for smoothly blending functions or creating piecewise functions
Returns a function that smoothly blends, with specified location and distance, between two functions

Submitted

VGRID: utility to help vectorize code
VGRID helps vectorize code to handle n-d variables as inputs for e.g. trapz.

Submitted

cch - close, clear, home
CCH saves keystrokes in resetting MATLAB by running the commands close, clear, and home.

Submitted

DISPDISP - verbose display of structures and objects

Submitted

Validated Input Function
Like the built-in input function but with the ability to impose constraints and checks on user input

Submitted

fevaln: feval with control of the order of the outputs
Return the nth output first. Especially useful for defining anonymous functions for use with search.

Submitted

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

Submitted

Fuel fraction sizing
Finds aircraft gross weight using the fuel fraction sizing method

Solved

poll: would you like the regexp (?@cmd) functionality to be banned in Cody?
This problem is a poll (and a little bit of "white hat hacktivism" as well) regarding Cody users sentiment about the use of rege...

etwa 4 Jahre ago

Solved

Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

etwa 4 Jahre ago