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Trouble using findpeaks function
The attached data is a sinusodial wave. I want to find how many peaks are in this graph. In matlab, I click on the file and impo...

environ un an il y a | 1 réponse | 0

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Help interpreting Fast Fourier Transform.
I followed this video : https://www.youtube.com/watch?v=cw9eoSzln_k&ab_channel=Study%26Tutor to perform a FFT on data I collect...

environ un an il y a | 1 réponse | 0

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dlmread error when performing fourier transform (FFT)
I am attempting to perform a FFT with this data, but get this dlmread error. How can I fix this?

environ un an il y a | 1 réponse | 0

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Performing Fourier Transform with csv file; "error using csvread"
I am trying to find the wavelength of a laser. The data I have is the time and the voltage. I have a 33607 x 2 matrix as I recor...

environ un an il y a | 1 réponse | 0

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Data is being graphed as line instead of sin wave
My x and y variables have about 964 data points each. When I plot them in excel, It just comes out linear, when it should be sin...

environ un an il y a | 1 réponse | 0

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Find the central line (midpoint) of a sinusoidal wave
I used another program (tracker) to track the oscillation of a laser. I generated a plot of position with respect to time with t...

environ un an il y a | 2 réponses | 0

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Graphing the Van Der Pauw Equation
I am trying to write a code to solve the Van Der Pauw Equation (https://en.wikipedia.org/wiki/Van_der_Pauw_method) and then evau...

plus d'un an il y a | 1 réponse | 0

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Trouble plottiing a trig function
I want to plot the function sin^3(x)/((1-cos(x))^5) for values of x=[:pi]. So first I declared x = [0:.01:pi] Then I try creat...

plus d'un an il y a | 1 réponse | 0

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linspace is causing an error
My goal is to plot R, where R=1-T T is a function of n2 and D, where n2 takes the values n2 = [1.2 1.75 2.2] and D = linspace...

presque 2 ans il y a | 3 réponses | 0

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