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Sky Sartorius


Last seen: 2 days ago
258 total contributions since 2010

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

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Answered
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, ...

3 days ago | 1

| accepted

Answered
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...

8 days ago | 0

Answered
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...

8 days ago | 3

Answered
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

9 days ago | 0

Answered
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...

9 days ago | 0

Answered
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...

9 days ago | 0

Answered
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...

10 days ago | 0

Answered
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 ...

10 days 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.

1 month ago | 8 downloads |

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Submitted


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

4 months ago | 2 downloads |

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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.

4 months ago | 73 downloads |

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Submitted


File Exchange Library Builder
A tool to download your favorite files (or necessary project dependencies) from the File Exchange.

8 months ago | 2 downloads |

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Submitted


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

1 year ago | 1 download |

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Submitted


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

1 year ago | 7 downloads |

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Submitted


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

2 years ago | 40 downloads |

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Submitted


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

2 years ago | 11 downloads |

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Submitted


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

2 years ago | 1 download |

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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...

2 years ago | 0 answers | 0

0

answers

Answered
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...

2 years ago | 0

| accepted

Answered
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...

2 years ago | 0

Answered
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...

2 years ago | 0

Submitted


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

2 years ago | 14 downloads |

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Submitted


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

2 years ago | 5 downloads |

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Submitted


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

3 years ago | 3 downloads |

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Submitted


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

3 years ago | 1 download |

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Answered
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 ...

3 years ago | 0

| accepted

Submitted


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

3 years ago | 1 download |

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Submitted


TXTMENU - Text-Based Menu for the Command Window
Like the built-in MENU function, but all in the command prompt so fingers never leave the keyboard.

3 years ago | 3 downloads |

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Answered
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'...

3 years ago | 0

| accepted

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

4 years ago | 2 downloads |

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