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Brian Neiswander

MathWorks

Last seen: 6 days ago |  Active since 2015

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All comments and opinions expressed here are mine alone and do not necessarily reflect those of my employers, past or present.

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"Getting Started with Simulink for Controls" example files
Models for the solar panel example shown in the "Getting Started with Simulink for Controls" video

5 years ago | 125 downloads |

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Answered
Assigning Attributes to the entity in simulink
You can use a |<https://www.mathworks.com/help/matlab/ref/switch.html switch>| statement to assign values to the |ServiceTime| a...

6 years ago | 1

| accepted

Answered
finddelay returns identical value (0) for "best" and "worst" case.
Hi Evan, The "finddelay" function does not consider the strength of the correlation found. Given two signals, it simply retu...

9 years ago | 0

Answered
re-build time series from pwelch after removing peaks in the spectra
Hi Richard, I recommend using a band-stop filter rather than manually removing a peak from the spectra and then recreating th...

9 years ago | 0

Answered
Multitaper spectral estimation (pmtm.m)
I was able to run the code you posted in R2015a without an error. The error you see may be caused by a local "dpss" function th...

9 years ago | 1

| accepted

Answered
How I can remove orbital error from ROI-PAC result?
I understand that you would like to remove orbital fringes from unwrapped SAR data. This really depends on the nature of the de...

9 years ago | 0

| accepted

Answered
Simulink Data Cube Accumulation
One approach is to use the "Buffer" block to create data frames and then use a "To Workspace" block to write the frames to a wor...

9 years ago | 0

Answered
Separate touching drops in Binary image
The "watershed" approach should be able to handle this problem. Even though the "watershed" function splits the edges into sepa...

9 years ago | 3

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Many small Eigenvalue Decompositions in parallel on GPU?
The "pagefun" function does not currently support the function "eig". However, note that the "eig" function will accept GPU a...

9 years ago | 3

Answered
Creating Karatsuba's algorithm with Matlab
From your description of the problem, it sounds to me like you need to create a recursive algorithm to solve this problem. See ...

9 years ago | 1

Answered
How do I calibrate array in MATLAB using 3 variables??
I understand that you have three distinct vectors "a", "b", and "c". From your descriptions: * "a" contains un-calibrated m...

9 years ago | 3

Answered
Plotting hourly values using datetick
One approach is to explicitly set the "XTick" property of the axes using date number values. As an example, let's assume that y...

9 years ago | 1

Answered
Use of time Series
Using a simple linear interpolation should be the easiest method to accomplish this. Let's say you have some sample measureme...

9 years ago | 2

Answered
getting error when activating
This issue can occur if your system (eg. Windows) username contains special characters. To resolve this issue, try creating a n...

9 years ago | 1

Answered
Oblate Spheroid Class setting C
Given the general equation of an ellipsoid: (x/A)^2 + (y/B)^2 + (z/C)^2 = 1 The spheroid is a special case of an ellipso...

9 years ago | 0

Answered
Extract Frequency, Amplitude and Phase of Logarithmic chirp
You can get instantaneous amplitude envelope, phase, and frequency information from a signal using the Hilbert transform. In MAT...

9 years ago | 2

| accepted

Answered
Can i add an image to an axes without a push button
As Brendan mentioned, you can accomplish this using the "KeyPressFcn" property of the figure window. This property allows you t...

9 years ago | 2

Answered
Save an image with a different name using GUI
The function "savefig" was introduced in MATLAB R2013b. If you are using a version earlier than MATLAB R2013b, try using: ...

9 years ago | 1

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

9 years ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

9 years ago

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

9 years ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

9 years ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

9 years ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

9 years ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

9 years ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

9 years ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

9 years ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

9 years ago