Eric Lin

MathWorks

自 2015 起处于活动状态

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已回答
NaN in Neural network training and simulation; tonndata
This answer may be a good start: <http://www.mathworks.com/matlabcentral/answers/92319-how-are-nan-values-in-the-input-data-for-...

9 years 前 | 1

已回答
Speed up the pseudoinverse calculation
Depending on the dimensions of your matrices, applying the "0" or 'econ' argument to svd may speed up your calculation. <http://...

9 years 前 | 0

已回答
principal strains using eig function
What is happening is the web app is displaying the eigenvectors by row whereas MATLAB is displaying them by column. The relative...

9 years 前 | 0

已回答
Auto-scrolling in Command window?
Hi LadyMacbeth, I work at MathWorks and am aware that other customers have reported this issue and that typically restarting ...

9 years 前 | 0

已回答
Discrete weights with neural network toolbox
Constraining network weights is not possible with the built-in Neural Network Toolbox functions as the training algorithms are a...

9 years 前 | 0

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已回答
Why can't I submit to support?
Hi Paul, We're currently experiencing some temporary issues internally with handling support requests coming from the MATLAB ...

9 years 前 | 0

已回答
Calculating weekly mean from daily data.
First, I would recommend finding a reliable method of determining the week number of a particular date. If you have access to R2...

9 years 前 | 1

| 已接受

已回答
Matlab unfolds folded code when I leave an open for/if loop (temporarily omit the "end" while working)
This is a known bug in MATLAB. The only workaround right now is to disable code folding for the particular constructs that exper...

9 years 前 | 2

已回答
How to Decipher a Biplots Observation
The "Observation" number simply corresponds to the row number of the original data point. That is, you will have 10,000 observat...

9 years 前 | 0

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已回答
how to have persistent http session in MATLAB?
This functionality does not exist in MATLAB. Each "urlread" or "webread" call will create and close its own HTTP connection.

9 years 前 | 0

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已回答
How can I hide part of the markers behind the x-axis?
I assume you are wanting to crop any part of the markers that lie below the X-axis. While there is no built in method to do this...

9 years 前 | 0

已回答
How to fit the multiple line on the image
Without more details regarding your use case or more sample images, it's difficult to give specific recommendations, but one pos...

9 years 前 | 0

已回答
Solve function returns Warning and empty matrix
To add to Walter's answer, the "==" notation was introduced in R2012a: <http://www.mathworks.com/help/symbolic/release-notes.htm...

9 years 前 | 0

已回答
How can I make an object declared within a function persistent?
As Guillaume notes, we'll need the code in question to help you further. However, it is important to note that persistent var...

9 years 前 | 0

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已回答
(Odd) GUI slider behavior
Assuming the information you provided is correct, your step size is greater than the range of your slider. In newer releases of ...

9 years 前 | 0

已回答
Excel 2013 excel link right click options missing
My recommendation would be to review the <http://www.mathworks.com/help/exlink/installing-the-spreadsheet-link-ex-software.html ...

9 years 前 | 0

已回答
What's F(a|b) in the MuPAD ode::solve output?
It appears to be the <http://www.mathworks.com/help/symbolic/mupad_ref/ellipticf.html Incomplete elliptic integral of the first ...

9 years 前 | 0

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已回答
Issues getting dual y-axis ticks/values to line up
The following submissions on the MATLAB File Exchange may be of help: <http://www.mathworks.com/matlabcentral/fileexchange/74...

9 years 前 | 0

| 已接受

已回答
Plotting data from a table
See <http://www.mathworks.com/help/matlab/matlab_prog/calculations-on-tables.html#zmw57dd0e22901 Find the Average Across Each Ro...

9 years 前 | 0

已回答
R2015a no longer sets the path from pathdef.m upon startup
The steps you described should allow you to save custom folders to the path. One suggestion is to check if there are multiple pa...

9 years 前 | 0

已回答
Automatically rehash toolbox cache ONLY if out of date
"rehash toolboxcache" really only needs to be run when files are added to _matlabroot/toolbox_ folders. See <http://www.mathwor...

9 years 前 | 0

已回答
Problem to access opendap data behind https urls
Hi Julien, I work at the MathWorks and can confirm that, unfortunately, reading OPeNDAP sources over https is currently not p...

9 years 前 | 0

已回答
R2105a crashing after sleep/display unplug on Yosemite
There is a <http://www.mathworks.com/matlabcentral/answers/126903-why-does-matlab-r2013b-r2014a-crash-when-using-mac-os-x known ...

9 years 前 | 1

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已回答
Remove larger connected components based on pixels
<http://www.mathworks.com/matlabcentral/answers/43221-blob-analysis-subtract-large-blobs-from-image-keeping-small-blobs-to-creat...

9 years 前 | 0

已回答
problem with commands poly2cw and polybool - Mapping Toolbox
Besides writing your own implementations, it may be worth checking out the <http://www.mathworks.com/help/matlab/computational-g...

9 years 前 | 0

已回答
Does MATLAB support the parallelization of supervised machine learning algorithms?
As far as available tools within MATLAB, the following doc sections describe parallel-supported ML functions, which include some...

9 years 前 | 0

已回答
how do i plot a delay differential equation
The output of MATLAB's dde solvers is a structure that includes as fields the selected mesh and approximations to y(x) at the se...

9 years 前 | 0

已回答
Error: Error using surf (line 78) Data dimensions must agree
As Jan Simon noted, we'll need more information to fully help you. However, based on your provided code, I'm going to assume ...

9 years 前 | 0

已回答
different formulas for gaussian fitting?
"fit" and "cftool" fold the "2" term in the exponent denominator into the estimate for "c1". That is, the "c1" estimate fitted b...

9 years 前 | 0