# Nick Hobbs

### MathWorks

I'm an Engineer at MathWorks with a Master's Degree in Computer Science.

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**Content Feed**

How do i save each loop of data within a loop so i can plot it.

I understand you would like to make sure the variable is saved during the loop. The issue looks like it may be due to variable s...

8 years ago | 0

How to store the different sizes of vectors ?

I understand you want to store vectors of different sizes. One option for this is to use a cell array. Please refer to the follo...

8 years ago | 0

| accepted

Neural Network - Multi Step Ahead Prediction Using NARX

An alternative to using the code for the neural network is to use the command 'nnstart'. 'nnstart' will launch a tool which ...

8 years ago | 0

How to get the expected Hessian variance-covariance matrix from vgxvarx?

When I follow the example on the 'vgxvarx' documentation page at the following link. <http://www.mathworks.com/help/econ/vgxv...

8 years ago | 0

Dicom: how to extract (and edit) header information not included in metadata

I understand you want to change the metadata of a DICOM file. Instead of trying to edit the information directly from 'dicominfo...

8 years ago | 0

How to create addition loops

I understand you want to implement a function that will find the sum of each value in the array, and add consecutive numbers in ...

8 years ago | 0

Neural Network in loops: How can I set up a loop to train at least 10 neural networks with the same parameters and save only the best performance, regression and histogram error, and the matrix-only MATLAB function for neural network code?

I understand you want to train 10 networks and determine the best network from the set of networks. The following documentation ...

8 years ago | 0

create sliding window per rows in a matrix ?

I understand you want to create a sliding window for a particular row in a matrix. One way to do this is to use indexing within ...

8 years ago | 0

Reference to "adaptwb" function in Neural Network toolbox.

I understand you want to determine how 'adaptwb' is updating the weights for the neural network. If you make a quick neural netw...

8 years ago | 2

| accepted

Publishing the matlab code to pdf

From what I understand, the table is too big for the page and the PDF table looks unclear. One way to correct the table is to in...

8 years ago | 0

| accepted

Is memory reduction not possible when training a neural network on a GPU?

The documentation for the <http://www.mathworks.com/help/nnet/ref/train.html train> function says that 'reduction' might be able...

8 years ago | 0

How to input the following optimization into matlab so that can be sovled?! [URGENT]

One way to input a minimization problem into MATLAB is with the function <http://www.mathworks.com/help/optim/ug/fmincon.html fm...

8 years ago | 0

split column vector into sub-columns and rename

Building on the previous comment, the <http://www.mathworks.com/help/matlab/ref/reshape.html reshape> function would be able to ...

8 years ago | 0

| accepted

help me, rotated bar graph

From your title, it sounds like you simply need a horizontal bar graph. You can do this with the function <http://www.mathworks....

8 years ago | 0

Is Neural Network Toolbox capable of this or can you recommend anything else?

From what I understand your goal is to predict the 9th and 10th columns based on the information in columns 1 to 8. More specifi...

8 years ago | 1

Fit data sets for 3 different temperature

If you only need to fit an equation to a dataset, you may be interested in the function <http://www.mathworks.com/help/curvefit/...

8 years ago | 0

２つの正規分布の重なりI calculate the heap of two normal distribution

If you only need to find the area shared by two normal distributions, this can be done using an anonymous function, <http://www....

8 years ago | 0

How to derive bulk modulus with the Birch Murnaghan equation of state?

Assuming you only need to fit your function to a dataset, one way to fit your equation is with the function <http://www.mathwork...

8 years ago | 0

Change trainingmode of Self-Organizing Maps

In the documentation for <http://www.mathworks.com/help/nnet/ref/trainbu.html trainbu>, under the heading 'Network Use', you wil...

8 years ago | 0

How can I extract the values of weights and biases after each training epoch?

I am going to assume you are referring to the Neural Network Toolbox due to your reference to weights, biases, and epochs. One w...

8 years ago | 0