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Paul Fishback


Grand Valley State University

Actif depuis 2012

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Professor of Mathematics
Grand Valley State University
Allendale, Michigan
Professional Interests: optimization; support vector machines

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Looking for an efficient way of finding elements in a cell array of character vectors
Thanks very much. The ismember will return a logical array. If I tack on the find command, I get the desired indices as well: f...

presque 6 ans il y a | 0

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Looking for an efficient way of finding elements in a cell array of character vectors
I have a cell array of character vectors, named "Channels", in which each entry corresponds a particular EEG channel label. I'd ...

presque 6 ans il y a | 2 réponses | 0

2

réponses

Question


Error message when plotting network graph in 2018a
I'm having a problem creating a simple network graph from a symmetric adjacency matrix. A=[0,1,1,0,0;1,0,1,0,0;1,1,0,1,1...

environ 6 ans il y a | 2 réponses | 0

2

réponses

Question


digraph plot bug in 2018a?
I've tried creating and plotting a simple digraph as follows: G = digraph([1 1], [2 3]); e = G.Edges; G = addedge(G,2,3...

environ 6 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Sendmail and attaching images
Thank you so much. Am I correct that your code prompts the use to specify the attachment directory, as described below the line ...

plus de 6 ans il y a | 0

| A accepté

Question


Sendmail and attaching images
I'm encountering a problem when using sendmail to include an image attachment. I have sendmail set up so that it works. When I h...

plus de 6 ans il y a | 3 réponses | 0

3

réponses

Question


How do I extract a portion of a string after a prescribed symbol?
I have a string of the form mystring='C\users\me\data\mymatrix.mat' What operation will permit me to create the string con...

plus de 7 ans il y a | 1 réponse | 0

1

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Question


How to find occurrences of a vector of strings in a cell string.
I have a cell string, named Channels, that lists 69 distinct EEG channels, A1, A2, ... To find an occurrence of a particular ...

plus de 7 ans il y a | 1 réponse | 0

1

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Question


How do I enumerate a family of 0-1 matrices
I'm trying to generate the family of all 10-by-3 matrices, where each matrix in the family, call it S, has the property that S(i...

plus de 8 ans il y a | 1 réponse | 0

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How do I apply a multiple comparison method to linear mixed effect model results?
I have a data file (available for download at http://www.bodowinter.com/tutorial/politeness_data.csv and based upon the research...

plus de 8 ans il y a | 2 réponses | 0

2

réponses

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How to combine linear mixed model results across different test subjects?
Suppose I have three test subjects and for each I have collected data and formulated a linear mixed-effects model using fitlme. ...

plus de 8 ans il y a | 1 réponse | 0

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Question


How to combine linear mixed model results across different test subjects?
Suppose I have three test subjects and for each I have collected data and formulated a linear mixed-effects model using fitlme. ...

plus de 8 ans il y a | 1 réponse | 0

0

réponse

Question


What is the best way to create and implement a Kaiser bandpass filter subject to certain specified conditions?
I'm trying to create and implement a 100-300 Hz bandpass filter as described in a signal processing research article. Specifical...

plus de 8 ans il y a | 1 réponse | 0

1

réponse

Question


How can I find multiple strings in a cell array?
I have a cell array of strings, called Channels, each containing an EEG channel label, e.g. 'A1', 'A2', ...., I'd like to fi...

plus de 8 ans il y a | 2 réponses | 1

2

réponses

Question


Using the "find" command with arrays of cells
I have 91-by-1 cell array, named "Channels," in my workspace whose entries correspond to EEG channels. For example, Channels{...

plus de 9 ans il y a | 1 réponse | 0

1

réponse

Question


4-D Matrix Indices Corresponding to an Entry Inequality
I have a 4-dim matrix, A, of size say 10-by-10-by-200-by-30. I would like to find all 4-tuples [i,j,f,t] for which A(i,j,f,t...

plus de 9 ans il y a | 1 réponse | 0

1

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Question


How do I convert a cell array of char to a single plot title?
I have a 3-by-1 cell, call it "labels," each of whose entries is a char. For example, labels{1,1}=A1,A2,A3 labels{2,1}=B1,B2,B...

plus de 9 ans il y a | 1 réponse | 0

1

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Building mex files on Mac Yosemite OSX.
I have some .C files associated with a toolbox I recently downloaded. My C compiler is XCode 6.2 and I'm running Yosemite OS 10....

plus de 9 ans il y a | 1 réponse | 0

1

réponse

Question


Axes resolution problems using VideoWriter
I'm facing some issues trying to improve the resolution of graph axes when creating an .avi file. Each frame in the file consist...

plus de 9 ans il y a | 1 réponse | 1

0

réponse

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Converting matrix entries satisfying a threshold condition.
I have a matrix of numeric entries and wish to convert each entry above a specified threshold to one and all other entries to ze...

presque 10 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Plotting tool for weighted digraphs
Thanks so much. I just tried out the gplotcolor.m and feel it shouldn't be too hard to visually convey the weight magnitudes by ...

presque 10 ans il y a | 0

Question


Plotting tool for weighted digraphs
I'm looking a tool to plot a weighted, directed graph, specifically one represented by a 44-by-44 matrix having nonnegative entr...

presque 10 ans il y a | 3 réponses | 0

3

réponses

Question


How to compute the Instantaneous Power Spectrum ???
I'm looking for a means of computing the *instantaneous* *power spectrum* (IPS) of a signal, as described in the master's thesis...

plus de 10 ans il y a | 1 réponse | 0

0

réponse

Question


Determining indices upon which a sequence of real numbers is convex
I have a vector, X, of real numbers which has a minimum at index k, where 1<k<n. I want to determine the smallest index k1 an...

plus de 10 ans il y a | 1 réponse | 1

1

réponse

Question


Colormap with Image command
I'm trying to plot intensity levels from an 8-by-8 matrix A whose values vary from 0 to 1. As a start, I entered the following, ...

environ 11 ans il y a | 1 réponse | 0

1

réponse

Question


Plotting time-course of matrix entries
I have a matrix with real-valued, nonnegative entries. For entry (i,j), I wish to plot a filled circle at the point (i,j) whose ...

environ 11 ans il y a | 1 réponse | 0

1

réponse

Question


Averaging values in rank orderings with repeats
I'm wondering if there is a straightforward way for me to complete the following task. Suppose u=[1,3,2,2,4,7,2,5] and I wish...

environ 11 ans il y a | 1 réponse | 0

1

réponse

Question


Does anyone know of a simple script for performing the Hinkley-Page Cumulative Sum Algorithm?
I'm looking for a basic implementation of the Hinkley-Page Cumulative Sum Algorithm ('CUSUM') for automatic detection of change ...

plus de 11 ans il y a | 1 réponse | 0

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réponse

Question


Syntax for Computing the Complex Morlet Wavelet of a Discrete Signal
I'm trying to find the easiest way to compute the complex continuous Morlet transform of a discrete signal. If x is my signal, I...

environ 12 ans il y a | 1 réponse | 0

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Question


Computing the Spectral Density Matrix of a Multivariate Time Series
I'm fairly new to signal processing, and I have a multivariate time series whose spectral density matrix I wish to compute using...

environ 12 ans il y a | 1 réponse | 1

0

réponse

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