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Shae Morgan


Last seen: 3 months ago |  Active since 2018

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writecell writes empty value for the first row in a for-loop
I have this .mlapp from App Designer, and I'm using it to loop through some audiofiles and then record what the listener heard. ...

1 year ago | 1 answer | 0

1

answer

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...

4 years ago | 1

| 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...

4 years 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 ...

4 years 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:...

4 years 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...

4 years 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...

4 years 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)...

4 years 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...

4 years 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...

4 years 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...

4 years ago | 0

| accepted

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...

4 years 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...

4 years 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...

4 years ago | 0

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

4 years 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 ...

4 years ago | 0

| accepted

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...

4 years 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...

4 years 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...

4 years ago | 0

| accepted

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 ...

4 years 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...

4 years 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; ...

4 years ago | 2

| 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...

4 years ago | 1

| accepted

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...

4 years ago | 1

| accepted

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...

4 years ago | 2

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

4 years 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(...

4 years 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...

4 years 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 years 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...

5 years ago | 1 answer | 0

1

answer

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