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Eric


University of Tennessee Knoxville

Active since 2011

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Question


Removing NaN from matrix
Hi, I have a loop that stores data for each trial into a temp variable called temp(:,tnum). The trials are of unequal row ...

10 years ago | 2 answers | 0

2

answers

Question


Logical Indexing: deleting empty array
I have trial names that end with numbers e.g. _1 or _30. The number suffix does not increment by _1, _2, _3 etc because I am onl...

11 years ago | 1 answer | 0

1

answer

Question


How do I delete empty array among populated arrays?
Hi, I have trial names that end with numbers e.g. _1 or _30. The number suffix does not increment by _1, _2, _3 etc because ...

11 years ago | 1 answer | 0

1

answer

Question


Problem reconstructing retained principal components
Hi, I think I am having an issue reconstructing retained principal components. I have a data set called data, size(40,101). S...

11 years ago | 1 answer | 0

1

answer

Question


PCA and Plotting PCs as Perturbations of the Mean
Hi, I have performed a PCA and am trying to graphically represent a few retained PCs using a technique proposed by Ramsay and...

11 years ago | 0 answers | 0

0

answers

Question


Writing characters to empty matrix
Hi, I am writing a loop to construct individual row names for n-rows. The row ids will be characters and not numbers. Addit...

12 years ago | 1 answer | 0

1

answer

Question


Determining variables that contribute to principal components
Hi, I am trying to do a PCA analysis on a (24x3333) matrix where 24 is the number of observations and 3333 is the number of v...

12 years ago | 1 answer | 1

1

answer

Question


Write to existing excel file
I want to write a variable (vardata which is 101x120 matrix) to a preexisting excel file (Group 1). I've tried ActiveX but this...

12 years ago | 1 answer | 0

1

answer

Question


Numerical output
I have the numeric output of my code saved to ASCII files. The output is written in scientific notation. How do I change my ou...

13 years ago | 1 answer | 0

1

answer

Question


Recursion Limit Error in ODE45
I almost have the problem solved but my seoncd to last line keeps giving me an error saying "Maximum recursion limit of 500 reac...

13 years ago | 1 answer | 0

1

answer

Question


Foucault Pendulum
I am inexperienced with matlab and have not used the ODE command before. I am trying write a code for the Foucault pendulum. I...

13 years ago | 3 answers | 0

3

answers

Question


Matrix Operations and Finding Joint Angles
I am trying to find the angle between a segment and global y-axis. HAT = icrest-hip; UnitY = [0 1 0] for i = 1:size(p...

13 years ago | 0 answers | 0

0

answers