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# Ayden Clay

Last seen: 1 month ago Active since 2019

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Question

Diagnose Infeasibility of Simple 3-DoF Trajectory Optimization
I am trying to write a simple optimization program which finds the best initial launch angle and velocity to arrive at a target ...

6 months ago | 1 answer | 0

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Question

Jacobian of Massive Equations
As the title states I am trying to find the Jacobian of a few massive equations. Per the documentation I have set up the proble...

2 years ago | 0 answers | 0

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How to make nPr formula as the perms function makes nPn only ?
Hey Abdelrhman, The nchoosek function ought to be what you're looking for. It can provide the binomial coefficient for b = n...

2 years ago | 0

How to add a colorbar in a heatmap?
Hi Julia! In 2006a MATLAB introduced the colorbar command that automatically adds a colorbar and it can be included underneath ...

2 years ago | 0

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Why do I get Inf for this complex expression?
Hi Daniel, So in MATLAB there are only a few ways to get an output of "inf". The most common in equations is that we are dividi...

2 years ago | 0

Question

Creating a Datastore from either two Datastores, or a number of files populated in different folders.
Hello, I'm working with some large data sets, and have been using tall arrays and datastores. Now I have two datastores created ...

2 years ago | 1 answer | 1

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Taking the Inverse of a Tall Array To Solve a Linear System of Equations
So! I'm a collossal idiot. The error note was incredibly well written, and described my exact problem. Turns out that if I repea...

2 years ago | 0

Question

Taking the Inverse of a Tall Array To Solve a Linear System of Equations
Hi, I'm working with some large data sets and have begun using tall arrays for the first time. I was happy to hear that the inve...

2 years ago | 1 answer | 0

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Attempt to Plot a Coloured Surface to Visualize 4D data.
As the comments have mentioned, slice/isosurface/scatter3/etc. will all do the trick, you can input the three dimensions as the ...

2 years ago | 0

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Question

Attempt to Plot a Coloured Surface to Visualize 4D data.
Hello, I'm attempting to visualize some 4D data in order to understand the toplogy of an optimization problem that I've been set...

2 years ago | 1 answer | 0

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Question

More Efficient ismember Calculation
Hello, I'm working on an interpolation for a specific project that I'm working on and have managed to produce a very fast interp...

2 years ago | 1 answer | 0

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Question

Accessing an element of an array using an array as its index.
Hello, I am writing up an interpolation function and need to define the vertices of the hypercube surrounding the current value...

2 years ago | 1 answer | 0

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Question

Creating a multi-dimensional array out of many lower-dimensional arrays
Hello! I currently have a hundred or so large datasets that are MxN (thus 2-D), for the external program that I use to gather t...

2 years ago | 1 answer | 0

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Question

Access Elements of a Matrix, via an array of varying size
Hello, I would like to access elements of an N-D matrix, by inputting an Nx1 vector as it's element. Currently, I have an arra...

2 years ago | 1 answer | 0