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Rollin Baker

MathWorks

Active since 2017

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I'm an engineer at MathWorks with an education in computer science and hardware design.

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Answered
Can't install any toolboxes because can't write to /usr/local/MATLAB/R2017
Hi Paul, For any installation issues, you will want to contact MathWorks Technical Support. They will likely be able to help ...

7 years ago | 1

Answered
Why is there an error when I call my function?
You are seeing this error because you are trying to access 'z(2)', but 'z' only contains one element. It seems that you are expe...

7 years ago | 0

Answered
after scatter3(), how to draw a contour line in the same figure？
Hi Hong, As KSSV said, you just need to call 'hold on;' to plot both graphs on the same figure. I don't know exactly what you...

7 years ago | 0

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Answered
Changing solution when using sparsity pattern with ode15s
Hi Carsten, I'm not totally sure if I understand your workflow, but I found a documentation page that details how MATLAB solv...

7 years ago | 0

Answered
How to display different graphs depending on the position of the mouse pointer on an image?
Hi Guillaume, If your image is on a figure, then you could use the 'WindowButtonMotionFcn' callback to invoke a custom funct...

7 years ago | 0

| accepted

Answered
Im having problems with the reconstruction through two-channel filter bank when I use my audio files.
Hi Christian, The reason you are seeing zeros for your final result is because you are overwriting all previous values for 'h...

7 years ago | 0

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Answered
Extraction of a touchstone file from rlcg data for the multi-port file
Hi YoungGon, Have you looked at the 'rfwrite' function yet? It can handle multiple ports and seems like a good fit for what y...

7 years ago | 0

Answered
ROS Indigo Virtual Machine Download
Hi Anastasios, The link worked for me, and seems to work for other users, so the issue must be somehow specific to your envir...

7 years ago | 0

Answered
Here is my code so far, how would I code a checkWin function that will determine the winner of the tic tac toe game?
Hi Sterling, You didn't specify exactly how you were modeling your tic-tac-toe board, but I'm going to assume you are storing...

7 years ago | 1

Answered
setting parameters for 4 Blocks (wrong number of input arguments, should be odd?)
Hi Bünyamin, The reason you are seeing this error is because the 'set_param' function is only meant to be called on a single ...

7 years ago | 1

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Answered
What is the difference in capability for DSP and Signal Analysis?
Hi Andrew, There are two toolboxes that jump out to me that seem like a good fit for your project. 1) <https://www.mathwo...

7 years ago | 0

Answered
i want a code for hsv space quantization in which hue(0,360) divided in 8 channel, and S [0,1]and v [0,1]divided in to 3 shares. and also if possible code for dominnant color descriptor.
Hi Harsh, Assuming you have the RGB values for the image you want to convert, you can simply use the rgb2hsv function. The do...

7 years ago | 0

Answered
How do I write individual 'labels' for each slice (e.g. ImageJ) of a multi-page TIF in Matlab?
Hi Dhrubajyoti, Looking through the MATLAB documentation, I was able to find a "PageName" tag for TIFF objects. You can use t...

7 years ago | 0

Answered
If i have 10 random (x,y) coordinates in form of Z given below gives the location of nodes.How to give number labelling to these coordinates?And how to construct a (node and link i.e G(v,e) )graph with weights equal to the distance between the nodes?
Hi Sneha, You can create your graph using the "digraph" function, and determine the weights using the "pdist" function. This ...

7 years ago | 0

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Answered
Any MATLAB functions for prediction index and Brier score
Hi Eric, MATLAB has quite a few options for your use case, particularly within the Statistics and Machine Learning Toolbox....

7 years ago | 0

Answered
Unable to connect arduino to MATLAB R2016b through the MATLAB Support Package for Arduino Hardware
Hi Giulia, Some users have reported that connecting to an Arduino can be very slow if your computer's Bluetooth is turned on....

7 years ago | 0

Answered
Can I implement a spatial derivative in a simscape custom component?
The beginning of your question is a bit unclear. You mention you want to take the derivative of H with respect to M, but you the...

7 years ago | 0