Community Profile

# Alan Moses

### MathWorks

47 total contributions since 2020

I am Application Support Engineer at MathWorks.
My areas of interests are HDL and FPGA development.
Disclaimer: Any articles/ideas/opinions here are my own and in no way reflect that on MathWorks.

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Unable to resolve the name internal.stats.statsizechk.
You may try to uninstall and reinstall the Statistics and Machine Learning toolbox to see if that solves the issue.

ongeveer een maand ago | 0

numerical integration to obtain response using convolution
The code attached produces an error due to missing multiplication operators. You may replace the line 10 of your code where the ...

ongeveer een maand ago | 0

| accepted

Structural Analysis of Plate - Transient Response to Dynamic Point Force
Hi Luke, You may check out the example here to see if you are looking for something similar. You may also see the resources her...

ongeveer 2 maanden ago | 0

TargetPoint — Position of the target relative to the reference body
You may refer to the answer here to a similar question.

ongeveer 2 maanden ago | 0

plot states sequence over time
You may use the following line of code: plot(age,sequence(:,1:end)) To create labels for the lines plotted, you may use the le...

ongeveer 2 maanden ago | 1

| accepted

how to go from NED to ECI frame?
Hi Khang, The “ecef2eci” is part of the set of functions that require the ‘Aerospace Blockset CubeSat Simulation Library’ Add-o...

ongeveer 2 maanden ago | 0

How battery energy is calculated in Microgrid Energy Management System (EMS) using Optimization
The value 3.6e6 is the conversion factor for joules to kWh and vice-versa. You may refer the video walkthrough of the battery en...

ongeveer 2 maanden ago | 0

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Plotting a 3d plot using multiple for loops: using s parameter matrix (Z_PARAMS must not be NaN)
The error occurs because there is a multiplication of zero and infinity happening which causes a NaN to be input to the z2s func...

ongeveer 2 maanden ago | 0

Specify boundary conditions for a thermal model (PDE)
You may refer the applyBoundaryCondition function and the solvepde function to see if it fits your requirement. You may also ref...

ongeveer 2 maanden ago | 0

| accepted

how to insert graphic scale in geographic map??
The quiverm function plots into the map axes. But the geobasemap function plots into the geographic axes. Instead, you may use t...

ongeveer 2 maanden ago | 0

HDL Implementation of PID Controller Using FPGA-in-the-Loop
You may check if Xilinx ISE is correctly installed on your system. You may also confirm the correctness of the Xilinx ISE tool p...

ongeveer 2 maanden ago | 0

make adjacent array element the same as current element
You may refer to the piece of code below that uses the find function to achieve your goal without using a loop. function y = tr...

3 maanden ago | 0

| accepted

I want to use a reshape layer. How can I customize it?

3 maanden ago | 0

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HDL-Coder Delay Balancing in Feedback-Loop workaround
In some cases, when you have blocks inside a feedback loop, adaptive pipelining is unable to insert the required number of pipel...

3 maanden ago | 0

What is the difference between the sample-and-hold block and a delay?
The Sample and Hold block holds the acquired input value at the signal port whenever it receives a trigger event and outputs the...

3 maanden ago | 1

| accepted

Error: lsqcurvefit stopped because it exceeded the function evaluation limit,
Hi, You may refer to the answer to a similar question posted here. Refer the optimoptions documentation to look up the differen...

5 maanden ago | 0

How o you work the phase difference between the input and the output of a sine wave?
You may refer to this link posted in the answer to a similar question here.

5 maanden ago | 0

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finding neighbouring locations in matrix bigger than a certain value
You may refer the method used here to find the neighbouring values of an element in a matrix. To find the locations of elements ...

5 maanden ago | 0

Simple, but stumped. Using 'xline' to create animated "play marker" across waveform plot.
You may use the following lines of code to clear the previous line: children = get(gca, 'children'); delete(children(1)); The...

5 maanden ago | 0

| accepted

triggered by falling edge, pulse signal
You may refer the Monostable block which can be programmed to detect a rising edge, a falling edge, or either edge. You may also...

5 maanden ago | 0

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Quiver for geobasemap and geoscatter
The functions geobasemap and geoscatter plot into the geographic axes. But the quiver function cannot plot into the geographic a...

5 maanden ago | 0

| accepted

In a while loop, I have to calculate S (net cash of an insurance company) depending on which events (E1, E2 or E3) happens first. I tried the following code, but its not working. Maybe someone can help me ...
There seems to be few syntax errors in the code. You can use multiple elseif block under the if block but only a single else blo...

5 maanden ago | 1

How to draw a northarrow on a simple plot, and not on a map?
The northarrow function works on map axes. You may want to read the annotation documentation to draw an arrow on a simple plot. ...

6 maanden ago | 0

| accepted

Error in port widths or dimensions. 'Output Port 1' of 'filtereddxlms/Sum1' is a [1024x1] matrix.
Since the Signal Specification block is a virtual block that exists only to specify the attributes of a signal and plays no role...

6 maanden ago | 0

Help! Indexing a Vector, Display Issues
According to the script you have written, if the inputs are provided in the [h,m,s] format, direct addition can be done. Provid...

6 maanden ago | 0

| accepted

plotting x[n] with various points from a file
Stem function requires both X and Y inputs to be vectors or matrices of the same size. You may use the following line of code: ...

6 maanden ago | 0

| accepted

Invalid text charcter .Check for unsupported symbol, invisible charcter ,or pasting of non-ASCII chatcters
Please refer this link for answers to a similar question. If the error persists, share your code for better resolution of the is...

6 maanden ago | 0

Matrix is singular to working precision
The warning “Matrix is singular to working precision” occurs if the matrix for which you are using to solve the system of linear...

6 maanden ago | 0