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How to remove (or isolate) side peaks except main peak after FFT
You can try "findpeaks" and using "MinPeakDistance" option. doc findpeaks
How to remove (or isolate) side peaks except main peak after FFT
You can try "findpeaks" and using "MinPeakDistance" option. doc findpeaks
11 days 前 | 0
已回答
plot signal - adjust axis
% Test data f = (-100:1:100); p = randn(size(f)); p = p-min(p)+1; % extropolate data fe = [-125 f 125]; pe = interp1(fe...
plot signal - adjust axis
% Test data f = (-100:1:100); p = randn(size(f)); p = p-min(p)+1; % extropolate data fe = [-125 f 125]; pe = interp1(fe...
13 days 前 | 0
已回答
How to set the font in pdf generated by LiveScript
One workaround is to change the paper size, orientation and margin when exporting to pdf file. Export-->Show more--> Change Pap...
How to set the font in pdf generated by LiveScript
One workaround is to change the paper size, orientation and margin when exporting to pdf file. Export-->Show more--> Change Pap...
16 days 前 | 0
已回答
Selecting one side of xy data points
You can use inpolygon to test if the dot is in red shape or blue shape: doc inpolygon
Selecting one side of xy data points
You can use inpolygon to test if the dot is in red shape or blue shape: doc inpolygon
16 days 前 | 0
已回答
Merge multiple cells into one cell array
n = 3; Degrees = randi([0 359], [n, 1]) Minutes = randi([0 59], [n, 1]) Seconds = rand([n, 1])*60 s = compose("%d%c%d%c%...
Merge multiple cells into one cell array
n = 3; Degrees = randi([0 359], [n, 1]) Minutes = randi([0 59], [n, 1]) Seconds = rand([n, 1])*60 s = compose("%d%c%d%c%...
16 days 前 | 1
已回答
How to to get a figure to fill a box or get a box around the figure
axis tight
How to to get a figure to fill a box or get a box around the figure
axis tight
1 month 前 | 0
| 已接受
已回答
HELP! How can i solve this array incompatible size issue
Make the change: N = length(t); If you need larger N, thant T in your code to a larger value. % Parameters fs = 1000; ...
HELP! How can i solve this array incompatible size issue
Make the change: N = length(t); If you need larger N, thant T in your code to a larger value. % Parameters fs = 1000; ...
1 month 前 | 1
| 已接受
已回答
Vertically Concatenating Tables in a Loop
TableAll = []; for m = 1:10 Trial = [COPData(m).data,OPALData(m).data]; %Original Table COPTv_y = diff(Trial.COPy)./d...
Vertically Concatenating Tables in a Loop
TableAll = []; for m = 1:10 Trial = [COPData(m).data,OPALData(m).data]; %Original Table COPTv_y = diff(Trial.COPy)./d...
1 month 前 | 0
| 已接受
已回答
Is there a way to identify which dataset a value belongs to for overlapping datasets?
websave("dataset.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1650591/dataset.mat") load("dataset.mat"...
Is there a way to identify which dataset a value belongs to for overlapping datasets?
websave("dataset.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1650591/dataset.mat") load("dataset.mat"...
1 month 前 | 0
| 已接受
已回答
Choosing the role of NaN elements in the sum environment of matrices
aa=[1 2; 3 NaN]; bb=[NaN 1; 2 NaN]; cc = mean(cat(3, aa, bb), 3)
Choosing the role of NaN elements in the sum environment of matrices
aa=[1 2; 3 NaN]; bb=[NaN 1; 2 NaN]; cc = mean(cat(3, aa, bb), 3)
1 month 前 | 0
已回答
Shift Filter outputs to align peaks
You can compute the group delay around the fc to align the output (approximately). fs = 20e3; numFilts = 32; % filter_numbe...
Shift Filter outputs to align peaks
You can compute the group delay around the fc to align the output (approximately). fs = 20e3; numFilts = 32; % filter_numbe...
1 month 前 | 1
已回答
How to create biphasic pulses?
N = 4; %400; % number of pulses Tp = 1; % pulse width; d1 = 1; % interphase delay d2 = 1; % in...
How to create biphasic pulses?
N = 4; %400; % number of pulses Tp = 1; % pulse width; d1 = 1; % interphase delay d2 = 1; % in...
1 month 前 | 0
| 已接受
已回答
what does this mean , how and for what is it used ?
The following will produce a 5-dimensional array of 2x3x5x5x8. You can access the element by specifying 5-d index x=ones(2,3,4...
what does this mean , how and for what is it used ?
The following will produce a 5-dimensional array of 2x3x5x5x8. You can access the element by specifying 5-d index x=ones(2,3,4...
1 month 前 | 0
已回答
How to generate multiple tiff files into my file path?
thresholdarray = [0.01, 0.1, 0.001]; medfiltarray = [2, 8, 10, 16]; for i = 1:3 thresholdvalue = thresholdarray(1,i); ...
How to generate multiple tiff files into my file path?
thresholdarray = [0.01, 0.1, 0.001]; medfiltarray = [2, 8, 10, 16]; for i = 1:3 thresholdvalue = thresholdarray(1,i); ...
1 month 前 | 0
已回答
How to create a series of separate tiff files?
It works here (in a unix environment). You may want to change ":" in file names into "_" for windows. thresholdarray = [0.01, ...
How to create a series of separate tiff files?
It works here (in a unix environment). You may want to change ":" in file names into "_" for windows. thresholdarray = [0.01, ...
1 month 前 | 0
已回答
How to fine numerical gradient
clear; clc; xs = linspace(1,2,100); ys = linspace(1,3,100)'; % transpose here fun_values = zeros(100,100); %{ for ix...
How to fine numerical gradient
clear; clc; xs = linspace(1,2,100); ys = linspace(1,3,100)'; % transpose here fun_values = zeros(100,100); %{ for ix...
1 month 前 | 1
| 已接受
已回答
Why does the fft function cut in half the amplitude of my signal?
Note that a sinosoidal signal can be expressed as: FFT of (normalized by N) will have a peak at f0 with amplitude of 1 (si...
Why does the fft function cut in half the amplitude of my signal?
Note that a sinosoidal signal can be expressed as: FFT of (normalized by N) will have a peak at f0 with amplitude of 1 (si...
1 month 前 | 0
已回答
meaning of f in fprintf function
In old days, the command \f is used to make a printer to move to beginning of next pages. fprintf or print or printf are used b...
meaning of f in fprintf function
In old days, the command \f is used to make a printer to move to beginning of next pages. fprintf or print or printf are used b...
1 month 前 | 1
| 已接受
已回答
Sig figs on the rand function
==> Just another general question here, is there a reason the rand function has 6 sig figs? i.e. 12.3456 rand function (by defa...
Sig figs on the rand function
==> Just another general question here, is there a reason the rand function has 6 sig figs? i.e. 12.3456 rand function (by defa...
1 month 前 | 0
| 已接受
已回答
Keep elements of an array that only fall within a given closed shape
space_a=linspace(0,168.3934962848858,50); % nm space_b=linspace(0,250,50); % nm z = peaks(50); % generate some test dat...
Keep elements of an array that only fall within a given closed shape
space_a=linspace(0,168.3934962848858,50); % nm space_b=linspace(0,250,50); % nm z = peaks(50); % generate some test dat...
1 month 前 | 1
| 已接受
已回答
How to extend a curve until x-axis and y-axis?
Use "axis tight" r=0.03; T=10; t=2; lambda1=0.28:0.28:3.08; thai=0.43; alpha=7.2; delta=0.0609; s=100:100:1100; sigma=2...
How to extend a curve until x-axis and y-axis?
Use "axis tight" r=0.03; T=10; t=2; lambda1=0.28:0.28:3.08; thai=0.43; alpha=7.2; delta=0.0609; s=100:100:1100; sigma=2...
1 month 前 | 1
| 已接受
已回答
I keep getting an error on my correlation coefficient on line 20
There is no error running here(see below). Can you show your error message? % Given data x = [0, 2, 4, 6, 9, 11, 12, 15, 17, 1...
I keep getting an error on my correlation coefficient on line 20
There is no error running here(see below). Can you show your error message? % Given data x = [0, 2, 4, 6, 9, 11, 12, 15, 17, 1...
1 month 前 | 0
| 已接受
已回答
How to up-sample both signals and labels together?
%websave("upsamp.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1642771/upsamp.mat"); websave("upsamp_R....
How to up-sample both signals and labels together?
%websave("upsamp.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1642771/upsamp.mat"); websave("upsamp_R....
1 month 前 | 0
| 已接受
已回答
connecting each data points in a bar graph with an error bar
Saline1 = [41 55]; Saline2 = [34 26]; bar(1,mean(Saline1), 0.6, 'FaceColor',[0.7 0.7 0.7]) hold on bar(2,mean(Saline2), 0.6,...
connecting each data points in a bar graph with an error bar
Saline1 = [41 55]; Saline2 = [34 26]; bar(1,mean(Saline1), 0.6, 'FaceColor',[0.7 0.7 0.7]) hold on bar(2,mean(Saline2), 0.6,...
1 month 前 | 0
已回答
Which function used to use in M-Script to remove the variables
a = 3; b = 4; % use clear to remove variables clear a whos a
Which function used to use in M-Script to remove the variables
a = 3; b = 4; % use clear to remove variables clear a whos a
1 month 前 | 0
已回答
How to put different size vectors to one matrix or mat file?
d1=[1 2 3 4 5 6 7 8]; d2=[1 2 3 4 5]; d3=[1 2 3]; d4=1; % Use cell array d5 ={d1; d2; d3; d4} % you can save d5 as a mat f...
How to put different size vectors to one matrix or mat file?
d1=[1 2 3 4 5 6 7 8]; d2=[1 2 3 4 5]; d3=[1 2 3]; d4=1; % Use cell array d5 ={d1; d2; d3; d4} % you can save d5 as a mat f...
2 months 前 | 2
已回答
How to filter out multiple outliers from a gradually changing dataset?
Adjust the threshold: websave("a_data.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1641186/a_data.mat"...
How to filter out multiple outliers from a gradually changing dataset?
Adjust the threshold: websave("a_data.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1641186/a_data.mat"...
2 months 前 | 0
| 已接受
已回答
how to solve if interpolated data also contains NaN values
a = readmatrix("https://www.mathworks.com/matlabcentral/answers/uploaded_files/1641181/V2_small.txt"); a(a>9999.8) = nan b...
how to solve if interpolated data also contains NaN values
a = readmatrix("https://www.mathworks.com/matlabcentral/answers/uploaded_files/1641181/V2_small.txt"); a(a>9999.8) = nan b...
2 months 前 | 0
| 已接受
已回答
How to plot data from an external MAT file against a time domain?
If you want to plot whole time series: ns = length(icpcomposite); t = (0:ns-1)/fs; plot(t, icpcomposite); If you want to plo...
How to plot data from an external MAT file against a time domain?
If you want to plot whole time series: ns = length(icpcomposite); t = (0:ns-1)/fs; plot(t, icpcomposite); If you want to plo...
2 months 前 | 1