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Brianna Miranda


Last seen: 2 dagar ago Active since 2021

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How can I remove harmonics from my spectrogram?
There are several harmonics plotting in my power spectral density spectrogram but I only want to include the first one. How can ...

2 månader ago | 1 answer | 0

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answer

Question


How to find the maximum value of C that corresponds to a set of X,Y coordinates?
I have a spectrogram plot that contains X,Y and C. I want to find the maximum values of C from that spectrogram and also the XY ...

2 månader ago | 2 answers | 0

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answers

Question


Why MATLAB on Mac reads functions as scripts instead of functions?
Whenever I attempt to call on a function in my script I get an error stating "Execution of script rd_segy as a function is not s...

3 månader ago | 0 answers | 0

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Question


How to save figures using mkdir if paths are variables?
I am trying to save all of my figures into a directory that is generated using the date and time of running the code as the file...

5 månader ago | 1 answer | 0

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Question


Is there any MATLAB documentation about fourier transforming into the frequency-time domain for a frequency vs time plot?
I have a data set that I have fourier transformed into amplitude vs frequency and amplitude vs time plots, but I want to make a ...

5 månader ago | 0 answers | 0

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Question


Why can't Matlab figures be opened using Matlab on MAC?
I am trying to open saved matlab figures on my mac but when I open the .fig file I get a Finder error stating "there is no appli...

5 månader ago | 1 answer | 0

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answer

Question


Why do I get this error when loading a Matlab created file?
This is the full error message that I am receiving. I created these files in matlab and when I try to load them I get the follow...

5 månader ago | 1 answer | 0

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Question


How to plot the diagonal of a spectrum as a 2d plot?
I have a power spectral density spectrogram with x=time, y=frequency, c=power spectral density. My plot has very high PSD values...

5 månader ago | 0 answers | 0

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Question


Index in position 2 is invalid. Array indices must be positive integers or logical values.
I am getting this error "Index in position 2 is invalid. Array indices must be positive integers or logical values." but am not ...

6 månader ago | 1 answer | 0

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Question


How to plot z component as a colorbar with lines connecting scatter plot points?
I have a data set with x, y and z scalar components. I am trying to make an x vs y plot with z shown as a colorbar. My current c...

6 månader ago | 1 answer | 0

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answer

Question


How to insert a variable and datetime array into a graph title?
I have a graph that I want to include the date&time it was made and the number of data stacks the plot contains on it. The numbe...

7 månader ago | 1 answer | 0

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answer

Question


How do I acquire multiple datasets using readwrite?
I am trying to record multiple stacks of data. This is the code I have so far, but it overwrites the existing saved file when I ...

7 månader ago | 0 answers | 0

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Question


How do I save a figure to a different directory with a specific figure name?
I am trying to save a figure with the type and dateTime variables included in the savefile name. My code uses the input variable...

7 månader ago | 1 answer | 0

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answer

Question


How do I make a vector containing 30 cells that range from -5 to 45?
I need to create a vector of length 30 with values that range from -5 to 45: [-5...........................................45] ...

7 månader ago | 1 answer | 0

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answer

Question


How to make a piecewise function without using syms?
I am trying to plot the following piecewise function without using syms but it plots as a horizontal line. This is the code I'm ...

10 månader ago | 1 answer | 0

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answer

Question


How do you add a sampling interval to a low pass filter?
How do I add a sampling interval of .1s to a low pass filter if I am using the fdesign.lowpass feature? This is what I have so f...

10 månader ago | 0 answers | 0

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Question


How to generate the sine function for the DataAcquisition Digilent Analog Discovery tutorial?
I'm trying to create a sine function to use in the DataAcquisition toolbox tutorial for the Digilent Analog Discovery 2. My plot...

11 månader ago | 0 answers | 0

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answers

Question


How do I save a figure as a png to a different directory?
I need help saving my figure to a different directory than the one I'm running my code in. The directory I want to save it to is...

11 månader ago | 1 answer | 0

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answer

Question


How do you define a structure array?
I have a function that defines the following variables: xmin = procPar.xmin; tmin = procPar.tmin; fmin = procPar.fmin; I'm u...

11 månader ago | 1 answer | 0

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answer

Question


What do the x and y axes represent in a discrete fourier transform matrix imagesc plot?
I made a dft matrix using W = dftmtx(128) and plotted it's real and imaginary parts using imagesc. What should the axis labels b...

12 månader ago | 1 answer | 0

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Question


How do I add zero padding to this convolution?
% My question is how do I add zero padding to this plot? I'm trying to show the effects of circular convolution with and without...

12 månader ago | 1 answer | 0

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Question


Need help getting my delta functions to work
I'm trying to take the Fourier transform of two delta function but I'm having a problem with writing the code for my delta funct...

12 månader ago | 1 answer | 0

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