# Chibuzo Nnonyelu

### University of Nigeria, Nsukka

Lecturer and researcher with interest in signal processing and artificial neural network.

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**Content Feed**

How can a change the line color in an axes with an already plotted figure (MATLAB GUIDE) ?

For cases where the plots are made by a function, for example using the pwelch, one is not able to place a variable for the plot...

2 years ago | 2

How can I add the average of two consecutive numbers?

By using indexing and simple maths (y1 + y2)/2 = (y2 - y1)/2 + y1 therefore, you can do this as Area = diff(y)/2 + y(1, e...

4 years ago | 0

Random Number Generation for Parallel Computing Toolbox

One way to approach this is to generate the random numbers just before the parfor-loop. This may use for memory depending on the...

4 years ago | 0

font format in second y-axis

To label the axis in LaTeX font or style, use set(gca, 'DefaultTextInterpreter', 'Latex'); This makes all LaTeX the defa...

4 years ago | 0

3-D plot in Matlab

You can modify this function to work for you: function plotsphere(azimuth, elevation, amplitude) [X, Y, Z] = sph...

5 years ago | 1

tables remove one field

Goes through each column and deletes a column if the number of 'No' found in the column is equal to the height of the table. ...

5 years ago | 1

Submitted

createlegend(varargin)

Create legend with customised variable names and variable unit, and in LaTeX format.

5 years ago | 1 download |

Submitted

ticklabelunit(axes, vaxis, units, varargin)

Appends unit sign/symbol to XTickLabel, YTickLabel, ZTickLabel in prefix or suffix positions.

5 years ago | 1 download |

Create a for loop using fminsearch

If I understand your question correctly, you want to be able to run the fminsearch for each initial guess at the time time? W...

6 years ago | 0

Plot wont come up

Look out for it in an extended monitor, if you are using more than one monitor.

6 years ago | 0

How can I set a variable 0.3 > x > 0.5 for use in calculating a CDF from a PDF?

x = (0.3:0.5) would return only 0.3 because by default, the step is 1. To get numbers between the two values, use x = 0.3...

6 years ago | 0

Hii..can i get any help to write the code for the integral equation attached in file below in matlab?

Have you tried the int function? Find the documentation below: <http://www.mathworks.com/help/symbolic/int.html?searchHighlig...

6 years ago | 0

how connect matlab program with Visual c++ 6.0?

1. This can be done with MEX. However, you need to have a c++ compiler installed in your system. Your C++ compiler and MATLAB en...

6 years ago | 0

generate random numbers with exact mean and std

x = mu + sigma*randn(sizeof); % for normally distributed random numbers OR x = random('normal', mu, sigma, row, column...

6 years ago | 0

Setting default Interpreter to Latex

MATLAB changed some object properties name. For this issue, the following will work set(groot, 'defaultAxesTickLabelInterpret...

7 years ago | 21

| accepted

Question

How to customize performance function in MATLAB neural network.

Greetings. I am relatively a beginner in neural network. I started off using MATLAB neural network tool until I was met with som...

7 years ago | 1 answer | 0

### 1

answerHow to implement a custom performance function in R2013b

Hi Calvin, I am interested in using a custom performance function in MATLAB NNtool and I have been searching to no success. Mig...

7 years ago | 0

How to make the fft of a signal while receiving it?

I recommend you add timer to your code. Let the timer re-initiate the same process after the specified interval. t = timer('T...

9 years ago | 0

is reconstruction possible from tampered image ?

MATLAB imports images as a 3-dimensional array. Depending on image coding though. You can either replace the tampered portions w...

9 years ago | 0

| accepted