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William Rose


2007 年からアクティブ

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How to code the equation below?
@Athira T Das, I haven;t looked at the code, but I think the first equation is incorrect. You write which appears to be mis...

約16時間 前 | 0

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Google Earth Trajectory Path
@Aleyna, You need to put the rocket coordinates into a KML file, and make a link to the KML file from goodgle earth. THat is e...

3日 前 | 0

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what is the peak amplitude of fft?
@Claudio Gerosa, The peak amplitudes of a signal in the time and frequency domains are different. This is true even when ther...

3日 前 | 0

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How the extract EEG data according to different epoch limits?
@Elaine, Are you using EEGLAB? If so, I recommend you post your quesiton to the EEGLAB mailing list - see here. The answer ...

4日 前 | 0

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Fourier Series,Spectral Analysys
@Tudor Valentin, [edit: fix spelling errors] Here is an example to assist you. The example below uses fft() to compute the spe...

5日 前 | 0

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Make histogram for array of datetimes
@dormant, I am switching my comment to be an answer which is what I had intended. First, let's create an array of 1273 random d...

5日 前 | 0

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How to write this function in Matlab having inner product
@SHAHID, This is a standard definition of inner product for continuous functions. The limits of integration, 0 to 1 in your ex...

5日 前 | 0

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Population Growth Model Analysis
@Athanasios Paraskevopoulos, I see that you have f = @(tau, N) ar_b * N * (1 - N/Ka) - N / (1 + N); and syms N eqn = ar_b *...

5日 前 | 0

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Where do I get the Data Set of EMG Signals with Standard features
@C PRASAD, Here is a link to one dataset of normal EMGs: https://springernature.figshare.com/articles/dataset/Metadata_record_...

6日 前 | 0

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How can we compare several time series data qualitatively and quantitatively?
@Jake, It is hard to say without having the actual data. If you restrict your analysis to one variable at a time, then you may...

11日 前 | 1

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cross correlation between two time series data
@Sandipan, I looked at the plots you provided. You say "Their temporal variation shows a mixed pattern of correlation and anti...

11日 前 | 1

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How to mark step changes of various sizes
@Justin, You may want to differentiate your signal with diff(), and then use findpeaks(). Differentiation amplifies high frequ...

11日 前 | 0

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Platform velocity different than 0 in ECEF coordinates
@Carlos, %% Satellite scenario parameters mission.StartDate = datetime(2023,10,9,7,10,0,TimeZone="America/New_York"); mission...

13日 前 | 0

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spectrum(x, log="no",span=5, plot=FALSE) similar command in Matlab.
@Zakia Hossain, The curve fiutting toolbox in Matlab includes the function smooth(). By default, smooth applies a moving averag...

13日 前 | 0

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Problem with 3D Meshgrid - Not understanding why some planes are 0 which results in my dx becoming 0
@Elias Larsson, For clarity, consider an example in which dx,dy,dz differ, and in which the number of elements differ for each ...

15日 前 | 1

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how to plot contour for arbitrary shape (not rectangular) in matlab?
@sajad sajad, You can make a MxN grid of points that cover the X-Y extent of your shape, and define the Z values at those poi...

23日 前 | 0

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Principal axis + phase and inclination.
@Claudio Iturra, I assume you want to do a best-fit ellipse to the wind data. Here is a link to my notes on how to find the bes...

29日 前 | 0

質問


copy subplots within same figure
I am copying subplots within a figure, to show the same data with an expaned time base. As you can see from the example below...

約1ヶ月 前 | 2 件の回答 | 0

2

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質問


plot legend shows wrong linespec
Starting with no open figures, and some data already computed, I made a plot as follows: load('data') % I did not use this com...

約1ヶ月 前 | 2 件の回答 | 0

2

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I want to optimize an ODE system of equations with constraints
@naiva saeedia, You stated goals such as Mass_C4_G-0.2985<0.1 I assume you really would like abs(Mass_C4_G-0.2985)<0. and ...

約1ヶ月 前 | 0

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Decrease Pattern antenna at certain azimuth.
[I will delete my comment, which I meant to be answer.] @Amer tawel, You cannot minimize the intensity in one direction witho...

約2ヶ月 前 | 0

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Passing audio file through a notch filter transfer function
@Nathaniel, [edit: remove junk text at the end] lsim() wants the input to be the time domain signal. You are passing the frequ...

約2ヶ月 前 | 0

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MATLAB code of intersection
@Liza L, what have you tried so far? The first part of your question, drawing the straight lines, shouldn't be too hard. Draw a...

約2ヶ月 前 | 0

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Global min optimisation for aorta 3-element windkessel model
@Hussam, Use fmincon(). I have used it to optimize a model of the circulation with up to 9 parameters, in order to match presu...

約2ヶ月 前 | 0

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Geoshow and grid points with polygonal shape
@Daniele, I recommend using meshgrid() to make the 2D mesh that covers and extends beyond the plygon of interest, the use resha...

約2ヶ月 前 | 0

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Traslate in matlab equations of rotational displacement
@Ilary, The equations you have given are for a rigid body. If you are comfortable regarding the earth as a rigid body within a...

約2ヶ月 前 | 1

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Fill area between two lines
@Amélia, Since we do not have your data (xxO, envelopeminO, envelopesupO), I have made up some values to use for the example be...

3ヶ月 前 | 0

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Convert pixel/grayscale values ​​to decibels
@ESTER LIMA, given two levels, PVmin and PVmax, whose values are proportional to the intensity of the ultrasound signal, the dec...

3ヶ月 前 | 0

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Enhancing Embolic Signal Visualization in Transcranial Doppler Graphs
@Patrícia, Please upload data files that go with the two screenshot images which show possible emboli. Adjust the color scale...

3ヶ月 前 | 1

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