Answered

How to subset a table in a function based on input arguments

Can just use an anonymous function: clc close all clear all getVarsetTable = @(t,userPrefix) t(:,contains(t.Properties.Var...

How to subset a table in a function based on input arguments

Can just use an anonymous function: clc close all clear all getVarsetTable = @(t,userPrefix) t(:,contains(t.Properties.Var...

más de 1 año ago | 0

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Answered

How to change the way it is being plotted?

Possible solution (journal paper values just eyeballed not digitized) JSRdB=40:5:60; MSESilva = [0.9592 1.1141 1.6038 ...

How to change the way it is being plotted?

Possible solution (journal paper values just eyeballed not digitized) JSRdB=40:5:60; MSESilva = [0.9592 1.1141 1.6038 ...

más de 1 año ago | 1

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Answered

Find cell position of a timeseries array

Assuming your data are in vector arrays that are, say, doubles, and packed as not cell arrays: test.Time = 0:0.1:50; test.Time...

Find cell position of a timeseries array

Assuming your data are in vector arrays that are, say, doubles, and packed as not cell arrays: test.Time = 0:0.1:50; test.Time...

más de 1 año ago | 1

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Answered

I NEED TO SHOW THE COLUMN STACKED DATA OF MY LANDSET IMAGE

This unpacks the capture, but i'm not sure what you want next: [img,cmap] = imread('Capture.png'); imshow(img) imgData1 = s...

I NEED TO SHOW THE COLUMN STACKED DATA OF MY LANDSET IMAGE

This unpacks the capture, but i'm not sure what you want next: [img,cmap] = imread('Capture.png'); imshow(img) imgData1 = s...

más de 1 año ago | 1

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Answered

Construct a vector from another, but add 2 values every 10 iteration

Try this: npts = 811; A = linspace(0,1,npts); numAdded = sum(mod(1:npts,10) == 0); B = zeros(1,numAdded+npts); k = 0; for ...

Construct a vector from another, but add 2 values every 10 iteration

Try this: npts = 811; A = linspace(0,1,npts); numAdded = sum(mod(1:npts,10) == 0); B = zeros(1,numAdded+npts); k = 0; for ...

más de 1 año ago | 0

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Answered

creating a 1D vector

Here's one of many possible solutions (edited 2020/01/11 for off-by-one error in indexing): clc close all clear all ECG = ...

creating a 1D vector

Here's one of many possible solutions (edited 2020/01/11 for off-by-one error in indexing): clc close all clear all ECG = ...

más de 1 año ago | 0

Answered

creating a 1D vector

Here's a solution that has a step by step process. clc close all clear all %% Step 0 % load the data ECG = dlmread('ECG...

creating a 1D vector

Here's a solution that has a step by step process. clc close all clear all %% Step 0 % load the data ECG = dlmread('ECG...

más de 1 año ago | 0

Answered

Minimizing a function with one variable

Is this what you're looking for? p = pi; w = 9*pi/56; c = 5; rmin = -40; rmax = 40; % inline function fun = @(x)(0.5*p*...

Minimizing a function with one variable

Is this what you're looking for? p = pi; w = 9*pi/56; c = 5; rmin = -40; rmax = 40; % inline function fun = @(x)(0.5*p*...

más de 1 año ago | 0

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Answered

How to tell if a random 3x3 Matrix is invertible

Back to your question, I have to produce a random 3x3 matrix A that is invertible and display it. One way could be to start with...

How to tell if a random 3x3 Matrix is invertible

Back to your question, I have to produce a random 3x3 matrix A that is invertible and display it. One way could be to start with...

más de 1 año ago | 0

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Answered

maximum of the radiation pattern in a direction

Solution, I hope! % for a general (theta0,phi0) express the surface in spherical coordinates % [Azimuth,Elevation,R] = cart2sp...

maximum of the radiation pattern in a direction

Solution, I hope! % for a general (theta0,phi0) express the surface in spherical coordinates % [Azimuth,Elevation,R] = cart2sp...

más de 1 año ago | 0

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Answered

How can I plot the frequency content of my sample?

Did you find a solution yet? Here's one. I wasn't sure if you wanted the frequencies identified or just plotted. clear all %C...

How can I plot the frequency content of my sample?

Did you find a solution yet? Here's one. I wasn't sure if you wanted the frequencies identified or just plotted. clear all %C...

más de 1 año ago | 1

Answered

drawing a fast Fourier transform

Here's a solution X = dlmread('ECG.csv'); Fs = 350*60; % [samples/min] sampling frequency T = 1/Fs; % [s] sampli...

drawing a fast Fourier transform

Here's a solution X = dlmread('ECG.csv'); Fs = 350*60; % [samples/min] sampling frequency T = 1/Fs; % [s] sampli...

más de 1 año ago | 0

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Answered

Please, help solve the dynamics equation in matlab simulink

There is a solution here on the web: https://www.matlab-monkey.com/ODE/resonance/resonance.html Just set the value of 'A' to 0...

Please, help solve the dynamics equation in matlab simulink

There is a solution here on the web: https://www.matlab-monkey.com/ODE/resonance/resonance.html Just set the value of 'A' to 0...

más de 1 año ago | 0

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Answered

finding elements in array

To get the indices to the vk array vk = [0 0.025 0.05 0.075 0.1 0.125 0.15 0.175]; [idx] = find(vk>= 0.05 & vk<= 0.175)...

finding elements in array

To get the indices to the vk array vk = [0 0.025 0.05 0.075 0.1 0.125 0.15 0.175]; [idx] = find(vk>= 0.05 & vk<= 0.175)...

más de 1 año ago | 0

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Answered

How can I plot each local maxima of my ECG data

Remove the hold off in the outer loop and remove the replotting of the entire dataset in each sement processing step - change...

How can I plot each local maxima of my ECG data

Remove the hold off in the outer loop and remove the replotting of the entire dataset in each sement processing step - change...

más de 1 año ago | 0

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Answered

Do anyone code this paper http://link.springer.com/chapter/10.1007/978-3-642-23223-7_13 "A Research on Improved Canny Edge Detection Algorithm " by Jun Li, Sheng Ding

matlab wrapper here: https://github.com/KshanaRules/BajaMap/blob/master/edgedetect.m

Do anyone code this paper http://link.springer.com/chapter/10.1007/978-3-642-23223-7_13 "A Research on Improved Canny Edge Detection Algorithm " by Jun Li, Sheng Ding

matlab wrapper here: https://github.com/KshanaRules/BajaMap/blob/master/edgedetect.m

más de 1 año ago | 0

Answered

Euclidian distances between coordinates in pdb file

Solution: % euclid filename = '1UBQ_CA.txt'; CA_CA = readtable(filename); [iatom1,iatom2] = meshgrid(1:76,1:76); distance =...

Euclidian distances between coordinates in pdb file

Solution: % euclid filename = '1UBQ_CA.txt'; CA_CA = readtable(filename); [iatom1,iatom2] = meshgrid(1:76,1:76); distance =...

más de 1 año ago | 1

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Answered

DFT/FFT of an exponential decay -> Lorentzian

Lorentizans are tricky. The long 'wings' confound spectroscopists to model data digitally with speed and accuracy and to reduce...

DFT/FFT of an exponential decay -> Lorentzian

Lorentizans are tricky. The long 'wings' confound spectroscopists to model data digitally with speed and accuracy and to reduce...

más de 1 año ago | 0

Answered

How to separate ECG signal into time sections?

Wow - that is not the algorithm I would chose for this data at all! But here is a solution for implementing that algorithm clc ...

How to separate ECG signal into time sections?

Wow - that is not the algorithm I would chose for this data at all! But here is a solution for implementing that algorithm clc ...

más de 1 año ago | 0

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Answered

how i do plot a point connecting 5 points and how i name the end point and centre point with letters

Here's a solution % your data x = [20 25 30 35 45]; y = [40 15 10 50 30]; x0 = 30; y0 = 30; figure('color','white'); xl...

how i do plot a point connecting 5 points and how i name the end point and centre point with letters

Here's a solution % your data x = [20 25 30 35 45]; y = [40 15 10 50 30]; x0 = 30; y0 = 30; figure('color','white'); xl...

más de 1 año ago | 1

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Answered

How to plot satellite data?

Here's a solution clc close all clear all filename = 'W_XX-EUMETSAT-Darmstadt,HYPERSPECT+SOUNDING,METOPA+IASI_C_EUMP_20181...

How to plot satellite data?

Here's a solution clc close all clear all filename = 'W_XX-EUMETSAT-Darmstadt,HYPERSPECT+SOUNDING,METOPA+IASI_C_EUMP_20181...

más de 1 año ago | 1

Answered

Mapping - latitude-longitude / projection of a circle

Here's a simple solution clc close all clear all % select case you want icase = 2; % 1=landat7 width of image, 2=geosynch...

Mapping - latitude-longitude / projection of a circle

Here's a simple solution clc close all clear all % select case you want icase = 2; % 1=landat7 width of image, 2=geosynch...

más de 1 año ago | 0

Answered

How can I initilize the SOM weights by my own vector?

The initial weights for a self-organizing map (SOM) are small standardized random values.

How can I initilize the SOM weights by my own vector?

The initial weights for a self-organizing map (SOM) are small standardized random values.

más de 1 año ago | 0

Answered

Alternating up and down in my script to find path through 'maze'

Here's a solution to finding paths that connect the top of the grid to the bottom using 4-neighbors clc close all clear all ...

Alternating up and down in my script to find path through 'maze'

Here's a solution to finding paths that connect the top of the grid to the bottom using 4-neighbors clc close all clear all ...

más de 1 año ago | 1

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Answered

How to draw a pie chart in a map?

I downloaded the package and then modified the m_ellipse.m program in that package to create a new m_piechart.m that produces th...

How to draw a pie chart in a map?

I downloaded the package and then modified the m_ellipse.m program in that package to create a new m_piechart.m that produces th...

más de 1 año ago | 0

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Answered

how to find the sum of rows in an array, that fit a condition?

Isn't it obvious since each row has a value that is greater than 50 that the cross sum of terms in the row will be greater than ...

how to find the sum of rows in an array, that fit a condition?

Isn't it obvious since each row has a value that is greater than 50 that the cross sum of terms in the row will be greater than ...

más de 1 año ago | 0

Answered

How to find average heart beat using fast Fourier transform function

I'm going to give a solution that says your 3000 data points represent a timeseries of 6 seconds. The code can be modified if t...

How to find average heart beat using fast Fourier transform function

I'm going to give a solution that says your 3000 data points represent a timeseries of 6 seconds. The code can be modified if t...

más de 1 año ago | 0

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Answered

How to overlay a binary mask over an rgb image?

Here's some code: img = imread('diplo000000-L.png'); mask = imread('sdfsd.png'); mask(:,:,1) = 0; img(mask>0) = 0; image(im...

How to overlay a binary mask over an rgb image?

Here's some code: img = imread('diplo000000-L.png'); mask = imread('sdfsd.png'); mask(:,:,1) = 0; img(mask>0) = 0; image(im...

más de 1 año ago | 1

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Answered

How to get a script to only give me the number of elements less than 2?

Here are random numbers as an example. It plots all the values in blue, finds indices for values less than 2, and plots those va...

How to get a script to only give me the number of elements less than 2?

Here are random numbers as an example. It plots all the values in blue, finds indices for values less than 2, and plots those va...

más de 1 año ago | 0

Submitted

Satellite Orbit Coordinate Transformations

How to interpret TLE and convert its unperturbed orbit into various coordinate systems.

más de 1 año ago | 41 downloads |