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x I'm tc


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Harvard Medical School

7 total contributions since 2015

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Question


How to determine if points fall above an arbitrary line?
Hello all, I am trying to find a way to determine if points are above or below an arbitrary line. For example, the code numXY...

1 year ago | 1 answer | 0

1

answer

Question


Fit a conic section without mirror image hyperbola
I would like to fit conic sections to my data using something like the general form a.*x.^2+b.*x.*y+c.*y.^2+d.*x+e.*y+f. I have...

1 year ago | 2 answers | 1

2

answers

Question


Determining units for a variable
Hi all, I think I know the answer for the specific problem below, but I wonder if there is a more general process that could...

2 years ago | 1 answer | 0

1

answer

Question


Looking to duplicate SPSS MIXED in MATLAB
I have a repeated measures data-set with some missing data. Subjects from three different groups were randomly assigned to eith...

2 years ago | 0 answers | 0

0

answers

Question


Finding points of zero slope from 3D function
I will be fitting 3D differences of Gaussians to data, and from these fits I want to be able to identify troughs and peaks (poin...

3 years ago | 1 answer | 0

1

answer

Question


Solve cannot find solutions where plotting shows they exist
I am trying to find points in a function, after fitting to some data, where the slope is zero. The obvious (to me) way to do th...

5 years ago | 1 answer | 0

1

answer

Question


Converting from Zernike's Polynomials values to a Point Spread and Modulation Transfer Function
Dear all, I have a dataset obtained from a wavefront sensor that provides me with the values of the first 36 Zernike's Polyno...

5 years ago | 1 answer | 0

1

answer