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# Eric Diaz

### University of California San Diego

Active since 2012

Professional Interests: Medicine, Radiology, BioEngineering, Image Processing, Signal Processing, Statistics, Physics

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Question

TroubleShoot FMinSearch with subscript assignment mismatch
I keep getting the following error: Subscripted assignment dimension mismatch. Error in fminsearch (line 190) fv(...

5 years ago | 2 answers | 0

### 2

How do you fit non-negative exponential decay that is biased with non-uniform noise over time?
If anyone can clarify John's last response or help in replying to my last comment, I would greatly appreciate it.

5 years ago | 0

Question

How do you fit non-negative exponential decay that is biased with non-uniform noise over time?
We often make assumptions when we model exponential decays. The most common assumptions that I know of are, 1) the signal is ...

5 years ago | 2 answers | 0

### 2

Question

Does anyone know how to figure out a workaround to avoid computing overflow/underflow/NaN/inf in this algorithm?
M14 = Signal.^14; M12 = Signal.^12 ; M10 = Signal.^10; M8 = Signal.^8 ; M6 = Signal...

5 years ago | 1 answer | 0

### 1

Question

How to use the function 'fit' on array of data and create an array of 'fit objects'
The 'fit' function does not seem to be friendly with arrays / matrices / variables. for ii = 1:size(Y,2) fitVar(ii)=fit(...

6 years ago | 1 answer | 0

### 1

Question

Please explain difference in image variance algorithms ... E-10 for all tests
Can someone please explain why these different algorithms are giving slightly different results for the variance of an image? ...

7 years ago | 1 answer | 0

### 1

Question

Automatically trim/remove/crop black borders/margins from images / volumes
Is there any way to easily and efficiently automate "trimming / removing / cropping" of "black / 0", "borders / margins" from "i...

7 years ago | 1 answer | 0

### 1

The only thing that I can really think of is cost. MATLAB is an extraordinary programming environment. I would love to work i...

7 years ago | 1

Question

Please explain difference in results between these variance algorithms which should be null?
Can someone please explain why these different algorithms are giving slightly different results for the variance of an image? ...

7 years ago | 1 answer | 0

### 1

Question

I am completely new to simulink and don't know where to start. I would like to create an object with certain intrinsic properti...

7 years ago | 2 answers | 0

### 2

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