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Ghada Saleh

MathWorks

Last seen: 6달 전 2015 이후 활성

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

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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...

약 6년 전 | 1

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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 ...

약 6년 전 | 0

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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 ...

약 6년 전 | 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://...

약 6년 전 | 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 ...

약 6년 전 | 0

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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 ...

약 6년 전 | 0

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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...

약 6년 전 | 0

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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...

약 6년 전 | 0

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

약 6년 전 | 0

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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: ...

약 6년 전 | 0

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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...

약 6년 전 | 0

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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 ...

약 6년 전 | 0

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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...

약 6년 전 | 0

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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...

약 6년 전 | 0

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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...

약 6년 전 | 0

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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...

6년 이상 전 | 0

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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...

6년 이상 전 | 1

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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...

6년 이상 전 | 0

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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...

6년 이상 전 | 0

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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...

6년 이상 전 | 0

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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...

6년 이상 전 | 0

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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...

6년 이상 전 | 0

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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...

6년 이상 전 | 1

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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...

6년 이상 전 | 0

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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...

6년 이상 전 | 1

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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...

6년 이상 전 | 0

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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' ...

6년 이상 전 | 0