# Brian Neiswander

### MathWorks

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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**Content Feed**

Submitted

"Getting Started with Simulink for Controls" example files

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

2 years ago | 169 downloads |

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...

3 years ago | 1

| accepted

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...

6 years ago | 0

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...

6 years ago | 0

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...

6 years ago | 1

| accepted

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...

6 years ago | 0

| accepted

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...

6 years ago | 0

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...

6 years ago | 3

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...

6 years ago | 3

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 ...

6 years ago | 1

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...

6 years ago | 3

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...

6 years ago | 1

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...

6 years ago | 2

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...

6 years ago | 1

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...

6 years ago | 0

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...

6 years ago | 2

| accepted

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...

6 years ago | 2

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: ...

6 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 ...

6 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...

6 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 ...

6 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...

6 years ago

Solved

Determine if input is odd

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

6 years ago

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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 ...

6 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...

6 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:...

6 years ago