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Ghada Saleh

MathWorks

Last seen: 7 months ago Active since 2015

I am an Application Support Engineer at MathWorks and an Electrical Engineer by education with a focus on wireless communication.

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Answered
Training Neural Network: What does net.divideMode = 'value' mean?
Hi Tim, The <http://www.mathworks.com/help/nnet/ug/neural-network-object-properties.html#bss4hk6-48 'net.divideMode'> is a pr...

6 years ago | 1

Answered
NaN Solution Problem with erfi() and erf()
Hi Imarquez, The issue you encountered is not because of 'erfi', it is because you are exceeding the maximum floating number ...

6 years ago | 0

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Answered
ANOVA with a known linear model
Hi Claire, As you have mentioned, ANOVA only accepts an input of type Linear Model which can be constructed using 'fitlm' or ...

6 years ago | 0

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How To Create A Custom Colorbar
Hi Ryan, I understand that you want to map different data intervals to different colors. One way of doing that is to <http://...

6 years ago | 0

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Make process stationary - clean trend
Hi christoph, You can use <http://www.mathworks.com/help/matlab/ref/semilogy.html 'semilogy'> to scale the 'y' axis and plot ...

6 years ago | 0

Answered
Generating Poisson Distributions for a Fixed Number of Events
Hello, In order to have a pre-specified number of observations, you use the command a = poissrnd(b,n,m) where 'b' is ...

6 years ago | 0

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Answered
Fminsearch doesn't converge but MLE value doesn't change
Hi Mic, I understand that 'fminsearch' does not converge to a solution even though the objective function does not change val...

6 years ago | 0

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Answered
Estimation with separated error terms
Hi Qifan, I understand you want to estimate 'beta' and 'theta'. You can check the <http://www.mathworks.com/help/curvefit/ind...

6 years ago | 0

Answered
ksdensity default bandwidth value
Hello Alexandra, In MATLAB, the default bandwidth in 'ksdensity' function is calculated using the following formula: Ban...

6 years ago | 0

Answered
How to remove the data from a handle class from memory
Hello Olaf, I understand you want to clear the class definition in the 'delete' method. You can use the following command: ...

6 years ago | 0

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Answered
simultaneous parabolic PDEs: pdepe error "Attempted to access u(4); index out of bounds because numel(u)=1."
Hi Nathaniel, The error you encountered is because 'pdepe' is making a function call to 'pdex1ic' and 'pdex1bc' which are dif...

6 years ago | 0

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Answered
letter reconstruction and filling for ocr
Hi Wajahat, I understand you want to fill the gaps in the text, One possible way to accomplish this is by dilating the image ...

6 years ago | 0

Answered
How to generate surface preserving probability density function from histogram
Hi Ivn, I understand you want to fit a histogram to a probability density function. Your first step is to make the area of th...

6 years ago | 0

Answered
How to store data in a for loop?
Hello, I understand that you want to convert the dates stored in 'day_of_year' to its string format and then store it in 'res...

6 years ago | 0

Answered
All my points are not showing up after for-loop
Hi Elise, It is my understanding that you are not getting all the points that satisfy the constraint copied in B. I believe t...

6 years ago | 0

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Answered
How to create a specific Visual?
Hi Kianna, I understand you want to visualize the connections between different data points stored in a cell array. I tried t...

6 years ago | 0

Answered
Multi-resolution technique for a large 3-D mesh
Hi Affan, I understand that you would like to plot a high resolution 3D mesh using large number of points. You will need to b...

6 years ago | 1

Answered
How to import an matrix to a function or to another program
Hi Nadia, You can use the <http://www.mathworks.com/help/matlab/import_export/import-data-interactively.html Import Data Tool...

6 years ago | 0

Answered
Symbolic Toolbox: transforming a function y(x) to x(y)
Hi Marco, You can inverse your function using <http://www.mathworks.com/help/symbolic/finverse.html functional inverse> in Sy...

6 years ago | 0

Answered
Performing a convolution of two exponential functions in Matlab
Hi Ram, You can use the <http://www.mathworks.com/help/symbolic/int.html int> function in the Symbolic Math Toolbox. This fun...

6 years ago | 0

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Answered
Import File function not working?
Hi Xander, I assume this is the function generated from the Import Data tool in MATLAB. One possible reason for this error is...

6 years ago | 0

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Answered
Can Matlab be started without certain toolboxes?
Hi Brian, You can remove the path of the toolbox that you do not want loaded from MATLAB search path. To find the path of all...

6 years ago | 0

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Answered
Error prediction after training of NN ?
Hi Afaq, Once a neural network is created, you can check its performance by calculating its 'R' value, which can be done in M...

6 years ago | 1

Answered
Has solve() changed its behaviour if the solution to the equation is all real numbers?
Hi Andreas, This is an issue in MATLAB R2014b and later versions. As a workaround you can use the following command: [so...

6 years ago | 0

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Answered
Best stopping criteria during nntool training???
Hi Afaq, The best stopping criteria is application dependent. For instance: # If your application cares about the speed o...

6 years ago | 1

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Answered
fmincon active-set bounds only
Hi David, I assume you are using 'fmincon' since you have a nonlinear constrained optimization. The 'active-set' algorithm is...

6 years ago | 0

Answered
Binary/Integer variables in genetic algorithm
Hi Stefanos, I understand that the output of the generic optimization is not integer for the variables specified in 'IntCon' ...

6 years ago | 0