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Adam Rish


Last seen: 1 year ago |  Active since 2021

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Difference between Cosine Similarity and Spectral Angle Mapper?
I have been doing some work with comparing spectral vector similarity using cosine similarity (CS). While I was exploring the li...

2 years ago | 1 answer | 0

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answer

Question


Why did my outputs change?
I ran a repeat of an optimization function I ran last week, but my outputs have changed as of today. I use the interior-point so...

3 years ago | 0 answers | 0

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answers

Question


What formula does PLS Toolbox use to calculate the Q-residual confidence limit?
I understand that the confidence limit for Q-residuals can be obtained by using the "residuallimit" function, but even with look...

3 years ago | 0 answers | 0

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answers

Question


Why does the pca function in MatLab and on mathworks indicate different outputs?
I am trying to run a simple pca on a data set using as indicated below as part of a function [~, scores, ~]= pca(X) However, I...

3 years ago | 1 answer | 0

1

answer

Question


Optimizing two vectors of different sizes
I am working to optimize the following problem: r=optimvar('r',size(S,1),'LowerBound',0,'UpperBound',1); B= optimvar ('B', siz...

3 years ago | 1 answer | 0

1

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Selection of Proper Optimization Function for Finding Global Minimum
I am currently working on the following optimization problem and want to ensure I am getting the global minimum. I am not famil...

3 years ago | 1 answer | 0

1

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Question


Writing Minimization Function to Find Multiple Vectors
I am currently try to write an objective function to solve the following problem: E= True - R1' *S1 - R2' *S2 - R3' *S3 where ...

3 years ago | 1 answer | 0

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answer