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Eric Diaz


University of California San Diego

Attivo dal 2012

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

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MATLAB Answers

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

quasi 10 anni fa | 2 risposte | 0

2

risposte

Risposto
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.

circa 10 anni fa | 0

Domanda


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 ...

circa 10 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

circa 10 anni fa | 1 risposta | 0

1

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Domanda


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(...

oltre 10 anni fa | 1 risposta | 0

1

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Domanda


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? ...

oltre 11 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 11 anni fa | 1 risposta | 0

1

risposta

Risposto
[DEPRECATED] What frustrates you about MATLAB?
The only thing that I can really think of is cost. MATLAB is an extraordinary programming environment. I would love to work i...

oltre 11 anni fa | 1

Domanda


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? ...

oltre 11 anni fa | 1 risposta | 0

1

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Domanda


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

quasi 12 anni fa | 2 risposte | 0

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Risolto


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 ...

quasi 14 anni fa

Risolto


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

quasi 14 anni fa

Risolto


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:...

quasi 14 anni fa