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Sky Sartorius


Last seen: circa un mese fa |  Attivo dal 2010

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

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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...

circa 3 anni fa | 1

| accettato

Risposto
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, ...

oltre 4 anni fa | 1

| accettato

Risposto
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...

oltre 4 anni fa | 1

Risposto
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...

oltre 4 anni fa | 5

Risposto
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

oltre 4 anni fa | 0

Risposto
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...

oltre 4 anni fa | 0

Risposto
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...

oltre 4 anni fa | 0

Risposto
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...

oltre 4 anni fa | 0

Risposto
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 ...

oltre 4 anni fa | 0

Domanda


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...

oltre 6 anni fa | 0 risposte | 0

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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...

quasi 7 anni fa | 0

| accettato

Risposto
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...

quasi 7 anni fa | 0

Risposto
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...

quasi 7 anni fa | 0

Risposto
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 ...

oltre 7 anni fa | 0

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Risposto
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'...

oltre 7 anni fa | 0

| accettato