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Shae Morgan


Last seen: 2 days ago
30 total contributions since 2018

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Answered
How to remove units from a plot?
You can try to save and re-plot the output of the graph, then use xlabel to solve your problem. [z,x,y]=lsim(G,sq_wave,t) plot...

14 days ago | 0

| accepted

Question


Sendmail not working in a standalone App Designer application on MAC only
Hello, I've made an app designer app where users can save some information (generated in the app) and then e-mail an excel spre...

14 days ago | 0 answers | 0

0

answers

Question


App Designer packaging standalone desktop app - MAC
Let me start out by restating that I'm on MATLAB 2020a on a MAC computer. I have an app that I've designed in MATLAB saved in ...

14 days ago | 0 answers | 0

0

answers

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

21 days ago

Question


Change focus after tab selection in app designer
I'm workin in app designer, and have an app that has a tabgroup component with a corresponding selectionchanged callback functio...

1 month ago | 0 answers | 0

0

answers

Question


sendmail works when I run my app but not when another user uses it in a packaged app
Hello, I made an app in app designer and part of the app asks the user to input their e-mail address and then the app sends the...

2 months ago | 1 answer | 0

1

answer

Question


locked output files students can turn in
Hello, I'm wondering if I can get some input on a problem. I'm trying to save data generated in an app (made with AppDesigner)...

2 months ago | 1 answer | 0

1

answer

Answered
How do I control the xticks if x is a long imported excel column (Time Format: HH:MM:SS)?
Try this out: Since I didn't have your variable class, I had to assume you're dealing with time-stamps here. This works for th...

2 months ago | 1

| accepted

Answered
How to select certain columns of a matrix only when the values in certain rows showing the the double of the value in a particular row of a column?
do this in two steps: 1) find the indices where the values > 2 and then 2) sum the columns - if all rows 1-3 and 5 are less than...

3 months ago | 0

Answered
How do i multiply 2 increasing variables
Is this more whasdfat you were looking for? v0 = (10:1:20); theta = (30:1:40); for i= 1:length(v0) for j = 1:length(thet...

3 months ago | 0

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Answered
Plotting the average line of a graph of a column imported from an excel
Wha about this: t1 = datetime(2020,8,12,13,11,24); %start time t2 = datetime(2020,8,12,13,18,36); %end time time5 = t1:second...

3 months ago | 1

Answered
Problem while plotting twice in a figure
Try this out: Since I didn't have your variable class, I had to assume you're dealing with time-stamps here. This works for th...

3 months ago | 0

| accepted

Answered
How to run a code several times using a for loop
Something like this? Datay=rand(1,24) Noutput=rand(1,24) %Noutput: Matrix: 1X24 % The following produce must be performed f...

3 months ago | 0

Answered
How to get numbers from char array?
str2double(char_array)

3 months ago | 0

Answered
The scale of the x-axis (Format: HH:MM:SS)
try looking into the 'xtick' property to specify which x-ticks you want to show. it'll suppress the rest of them x=1:10; %demo ...

3 months ago | 0

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Answered
Save data from for-loop and their use
You just need to index your output and then reference the appropraite index for i=1:4 [C1(i,:),L1(i,:)]=wavedec(SatTrDatax_Nor...

3 months ago | 0

| accepted

Answered
Bandstop starts at 2.7 dB instead of 0 dB. Why? Demo Code from a Matlab Book
If a filter is a perfect rectangular filter, then filtering begins at the cutoff frequency and goes to the desired attenuation/g...

3 months ago | 0

Answered
How to make a new matrix out of the combination of 12 matrix
try concatenating them? Or do you want to add them across? You say "combination" do you mean an average or a sum? We need more i...

3 months ago | 0

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Answered
simultaneous noise and pure tone
How your sounds currently are set up, they are concatenated to be added one onto the other. If you change your concatenation to ...

3 months ago | 1

| accepted

Answered
Equation for Amplitude difference between two tones
The equation for dB is 10*log10(Incident_intensity/reference_intensity). When dealing with pressures (as we usually are in soun...

3 months ago | 1

| accepted

Answered
generate signals with different SNR
Here's a solution! Hope it's helpful %setup fs=100000; noise_dur=3; sine_freq=10000; sine_dur=.1; t=0:1/fs:sine_dur-1/fs; ...

3 months ago | 1

| accepted

Answered
Generating pure tone and noise
See here for an excellent solution to generating your noise from one of your previous questions: Generate noise You can use th...

3 months ago | 1

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Answered
How to fix the upper asymptote in sigmoid?
Your call to mysigmoid has 6 input arguments (b,c,x,xon,xrated,a; the last of which is your "a"), but your defined function onl...

3 months ago | 1

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Answered
What is missing from MATLAB #2 - the next decade edition
facet_wrap or facet_grid (or general ggplot2 functionality) version of subplots, or some altered, simpler customizability for su...

3 months ago | 1

Answered
Harmonics of Fourier series
Question asked/answered elsewhere https://www.mathworks.com/matlabcentral/answers/491350-harmonics-of-fourier-series?s_tid=answ...

3 months ago | 1

Answered
FOR LOOP NOT WORKING
EXANGLES = -34:1:184; EYANGLES = deg2rad(EXANGLES); EVSUB1 = 90; FT126 = 126; for i = 1:length(EXANGLES) if EXANGLES(...

3 months ago | 1

Answered
rise/fall time
%set-up parameters fs=44100; %CD quality - also conveniently divisible by 30 and 25 stim_dur=.025; %duration in seconds ISI_d...

3 months ago | 1

| accepted

Question


add audio to a static image
I have an audio signal and a picture. I'm trying to output a video of the static image for the duration of the audio that's play...

4 months ago | 1 answer | 0

1

answer

Question


MATLAB 2019a ginput spectrogram issue
I recently updated to 2019a from 2018a and my code no longer works. I get the error below from the following code: y = randn(10...

1 year ago | 1 answer | 0

1

answer

Question


Why are there minor differences in the creation of two time series for signal generation?
I'm making a 1000 Hz tone for presentation. MATLAB recommends creating the time series (t) this way: amp=.01; %amplitude f...

2 years ago | 1 answer | 0

1

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