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Henry Gotjen


Last seen: 6 days ago

Naval Research Labratory

16 total contributions since 2017

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Answered
no output when coding
Do this without a for loop % Load data a = xlsread('outdoorall.xlsx','H2:H52364'); b=xlsread('indoorall.xlsx','H2:H52364'); %...

12 days ago | 1

| accepted

Answered
checking dataType instead typecast at property or argument validation
Hi Florian, I recently learned this property validation as well, and its been working for me. Your syntax is backwards, if you...

12 days ago | 0

Answered
Detection of cracks on scissor's surface using Image processing.
Hafiz, This looks already like a very challenging problem. There is not any kind of built in crack detection code. It would be ...

12 days ago | 0

Answered
How to create a vector?
In MATLAB, create an array by wrapping the data in brackets time_vector = [1 2 3] creates a row vector. Read all about it her...

13 days ago | 0

Answered
Column of matrices for arbitrary N.
Hi Mike. The way you're building phi is creating a matrix, not a vector, since zeros(m,n) creates an mxn matrix. I think this ...

18 days ago | 1

| accepted

Answered
Elegantly refer to the second output from a function
I wrote two or three functions that allow me to do this. I agree, its much nicer to be able to one line certain values from buil...

18 days ago | 0

Answered
Index and remove values in a cell array
Its hard to see what the purpose of this deletion is. It looks like you have multiple (499) datasets described by ixv (some kind...

3 months ago | 0

Answered
Legend doesn't match my plot style
It looks like R1M1V1 is plotting three different curves. This could happen if max_time1 is a vector but R1M1V1 is a Nx3 matrix. ...

3 months ago | 1

Answered
Matlab mapping toolbox and the wmmarker function: how to change “description” from a web page to a file on the computer?
I found the answer! I stumbled across this https://blogs.mathworks.com/community/2007/07/09/printing-hyperlinks-to-the-command-...

3 months ago | 1

Answered
How can I smooth this plot?
A little more crudely than Strider's answer, since you may not have some of those functions in R2017... Here is a function that...

3 months ago | 0

Answered
How to generate and plot multiple semicircle with fixed endpoints but different radius
Thats a neat looking graphic. I don't really understand what its for though. Why don't you just manually draw in the straight li...

3 months ago | 0

Answered
Matlab mapping toolbox and the wmmarker function: how to change “description” from a web page to a file on the computer?
According to the documentation page on wmmarker, "Description elements can be either plain text or HTML markup." HTML links to l...

3 months ago | 0

| accepted

Answered
Can I store and call functions from within a struct?
To further this question, I would like to use fields of the struct as parameters in the functions, hopefully without having to w...

10 months ago | 0

Question


Dot indexing is not supported for variables of this type
Hello all. I have a very nice piece of GUI code I wrote. Recently, MATLAB crashed while I was writing the code and now when I t...

1 year ago | 1 answer | 0

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answer

Answered
matlab code for eigenvalue problem
Try simplifying the problem you're having instead of dumping equations. I went cross-eyed and I don't know what you want.

2 years ago | 0

Question


Is the brush tool still supported in R2017b, programatically?
I'm trying to find the best way for a user to interactively select a subset of data in a scatter plot that will then be polyfit ...

2 years ago | 1 answer | 0

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