Answered

Nearest neighbor distribution and spherical contact distribution

Read about knnsearch and rangesearch.

Nearest neighbor distribution and spherical contact distribution

Read about knnsearch and rangesearch.

20 days ago | 0

Answered

Use intersect function in model

[same,ia,ib] = intersect(a,b,'rows') ; a(sort(ia),:)

Use intersect function in model

[same,ia,ib] = intersect(a,b,'rows') ; a(sort(ia),:)

21 days ago | 0

Answered

How to overcome this problem; Error using - Matrix dimensions must agree.

Two options: Reduce dimensions psi = psi(1:101,1:108) ; p = p(1:101,1:108) ; En =sqrt(((psi-p)^2)/psi^2); Do interpolat...

How to overcome this problem; Error using - Matrix dimensions must agree.

Two options: Reduce dimensions psi = psi(1:101,1:108) ; p = p(1:101,1:108) ; En =sqrt(((psi-p)^2)/psi^2); Do interpolat...

21 days ago | 0

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Answered

How to solve "Subscripted assignment dimension mismatch"?

What the necessity to save those images into a bigger image? USe montage. Read about it.

How to solve "Subscripted assignment dimension mismatch"?

What the necessity to save those images into a bigger image? USe montage. Read about it.

24 days ago | 0

Answered

How to plot Date on x axis and string on Y axis. Text annonation on Data points

Load data from excel to matlab using xlsread. Use this to use labels along the axes: https://in.mathworks.com/help/matlab/cre...

How to plot Date on x axis and string on Y axis. Text annonation on Data points

Load data from excel to matlab using xlsread. Use this to use labels along the axes: https://in.mathworks.com/help/matlab/cre...

24 days ago | 0

Answered

How to calculate post-pre connectivity matrices for multiple subjects

postfiles = dir('*post*.mat') ; m = length(postfiles) ; prefiles = dir('*pre*.mat') ; n = length(prefiles) ; post = zeros(51...

How to calculate post-pre connectivity matrices for multiple subjects

postfiles = dir('*post*.mat') ; m = length(postfiles) ; prefiles = dir('*pre*.mat') ; n = length(prefiles) ; post = zeros(51...

24 days ago | 0

Answered

Draw a circle and measure the white pixels area inside

I = imread('image.png') ; I1 = rgb2gray(I) ; [y,x] = find(I1) ; length(x)

Draw a circle and measure the white pixels area inside

I = imread('image.png') ; I1 = rgb2gray(I) ; [y,x] = find(I1) ; length(x)

25 days ago | 0

Answered

To crate a 2D lookup table with interpolation for matrix data and to crate a function of (x,y) (inputs) give the output from the matrix

Read about interp2. n = 20 ; Z = peaks(n) ; [X,Y] = meshgrid(1:n,1:n) ; [Xi,Yi] = meshgrid(1:0.1:n,1:0.1:n) ; Zi = i...

To crate a 2D lookup table with interpolation for matrix data and to crate a function of (x,y) (inputs) give the output from the matrix

Read about interp2. n = 20 ; Z = peaks(n) ; [X,Y] = meshgrid(1:n,1:n) ; [Xi,Yi] = meshgrid(1:0.1:n,1:0.1:n) ; Zi = i...

25 days ago | 1

Answered

how I can get Px,Py and Pz value ?

%% %Given Theta_1 =45; Theta_2 =10; Theta_3 =0; Theta_4 =90; Theta_5 =0; Theta_6 =45; %known a1 = 0.35; a3 = 0.3; a4 ...

how I can get Px,Py and Pz value ?

%% %Given Theta_1 =45; Theta_2 =10; Theta_3 =0; Theta_4 =90; Theta_5 =0; Theta_6 =45; %known a1 = 0.35; a3 = 0.3; a4 ...

25 days ago | 1

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Answered

How to convert a table into a structure

Read about table2struct. S = table2struct(T)

How to convert a table into a structure

Read about table2struct. S = table2struct(T)

25 days ago | 0

Answered

How can I select data in a pcolor plot by using a rectangle?

Read about interp2. Fix your (Xi,Yi) for which you want to extract the data and use interp2. Something like below: xi = lin...

How can I select data in a pcolor plot by using a rectangle?

Read about interp2. Fix your (Xi,Yi) for which you want to extract the data and use interp2. Something like below: xi = lin...

25 days ago | 0

Answered

Extracting data tips from 3-D figure

clear;clc;close all; figure(1); load('long_lati_depth.mat','long','lati','depth') contour(long,lati,depth,[-74 -75 -76 -77 -7...

Extracting data tips from 3-D figure

clear;clc;close all; figure(1); load('long_lati_depth.mat','long','lati','depth') contour(long,lati,depth,[-74 -75 -76 -77 -7...

27 days ago | 0

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Answered

How to crop circular area and measure the ratio of black and white from the binarized image?

I = imread('image.jpeg') ; I1 = rgb2gray(I) ; I1 = imcrop(I1) ; % crop the square part which exactly covers/ inscribes the...

How to crop circular area and measure the ratio of black and white from the binarized image?

I = imread('image.jpeg') ; I1 = rgb2gray(I) ; I1 = imcrop(I1) ; % crop the square part which exactly covers/ inscribes the...

28 days ago | 0

Answered

Intersection points of generated lines and polygon

The best thing for you today is this function: https://in.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections?foc...

Intersection points of generated lines and polygon

The best thing for you today is this function: https://in.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections?foc...

28 days ago | 1

| accepted

Answered

How to solve a single equation with 2 variables? Both of which are integers.

D=4.4010; rowS=0.8613; Lx=0.286; Lz=0.198; fnm=[134 266 408 481 785 863]; wnm=2*pi.*fnm; m = 1:10 ; n = 1:10 ; [m,n] =...

How to solve a single equation with 2 variables? Both of which are integers.

D=4.4010; rowS=0.8613; Lx=0.286; Lz=0.198; fnm=[134 266 408 481 785 863]; wnm=2*pi.*fnm; m = 1:10 ; n = 1:10 ; [m,n] =...

28 days ago | 0

Answered

I wanna perform RMSE & SSIM but I cannot set same size of 2 image. Need your help :(

A=imread('Hasil Citra Ground Truth_1_1.jpg'); % resize1= imresize(citraReferensi,[256 360], 'bilinear'); B=imread('Hasil Citra...

I wanna perform RMSE & SSIM but I cannot set same size of 2 image. Need your help :(

A=imread('Hasil Citra Ground Truth_1_1.jpg'); % resize1= imresize(citraReferensi,[256 360], 'bilinear'); B=imread('Hasil Citra...

28 days ago | 0

Answered

How do I transfer the data in matlab to spreadsheet?

Read about xlswrite and/or writetable.

How do I transfer the data in matlab to spreadsheet?

Read about xlswrite and/or writetable.

28 days ago | 0

Answered

combine two cell in one string and compare it with pattern

Read about strcat, strjoin

combine two cell in one string and compare it with pattern

Read about strcat, strjoin

1 month ago | 0

Answered

How can I fill between two curves, but only when one curve is above the other?

load Data.mat ; plot(x,y1,'k',x,y2,'k:'); hold on; xlim([x(1) x(end)]); % jbfill(x',y1',y2',[.8 .8 .8],'none',0,.5); legend...

How can I fill between two curves, but only when one curve is above the other?

load Data.mat ; plot(x,y1,'k',x,y2,'k:'); hold on; xlim([x(1) x(end)]); % jbfill(x',y1',y2',[.8 .8 .8],'none',0,.5); legend...

1 month ago | 0

Answered

How to mark the point, display lines and measure distance in Matlab?

Read about ginput, getpts, plot, imdistline and imline.

How to mark the point, display lines and measure distance in Matlab?

Read about ginput, getpts, plot, imdistline and imline.

1 month ago | 0

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Answered

x = C(:,1); y= C(:,2); i have two 2D points and i want to convert these two points to 3D graph

[X,Y] = meshgrid(x,y) ; mesh(X,Y)

x = C(:,1); y= C(:,2); i have two 2D points and i want to convert these two points to 3D graph

[X,Y] = meshgrid(x,y) ; mesh(X,Y)

1 month ago | 0

Answered

How to use linear interpolation to fill gaps to generate a contour (closed surface)

This will be your function: https://in.mathworks.com/help/matlab/ref/fillmissing.html. Also read about fillgaps.

How to use linear interpolation to fill gaps to generate a contour (closed surface)

This will be your function: https://in.mathworks.com/help/matlab/ref/fillmissing.html. Also read about fillgaps.

1 month ago | 0

Answered

How to interpolate the following sample in 200 samples?

Let A be your data. n = length(A) ; x = 1:n; xi = linspace(1,n,200) ; Ai = interp1(x,A,xi) ; figure hold on plot(x,...

How to interpolate the following sample in 200 samples?

Let A be your data. n = length(A) ; x = 1:n; xi = linspace(1,n,200) ; Ai = interp1(x,A,xi) ; figure hold on plot(x,...

1 month ago | 0

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Answered

could anyone help me how to solve the issue in the following code

unused_rows1=1:12; while ~isempty(unused_rows1) rows1_matrix=reshape(unused_rows1,[],2); rows1_matrix(:,end)=rows1_matrix(end...

could anyone help me how to solve the issue in the following code

unused_rows1=1:12; while ~isempty(unused_rows1) rows1_matrix=reshape(unused_rows1,[],2); rows1_matrix(:,end)=rows1_matrix(end...

1 month ago | 0

| accepted

Answered

calculate area in table

Load the data from excel file using xlsread or readtable. Once you have data in workspace......you can get your desired result u...

calculate area in table

Load the data from excel file using xlsread or readtable. Once you have data in workspace......you can get your desired result u...

1 month ago | 0

Answered

How to calculate distance between center of white pixels in an image?

REad about imdistline; this will allow you to calculate the distance between the points interactively. For this you are supposed...

How to calculate distance between center of white pixels in an image?

REad about imdistline; this will allow you to calculate the distance between the points interactively. For this you are supposed...

1 month ago | 1

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Answered

Parabola plot not displayed correctly

You are suing the random numbers for demo.....you have to sort them before you use: X = randi(100,[40, 1]) ; X = sort(X) ; ...

Parabola plot not displayed correctly

You are suing the random numbers for demo.....you have to sort them before you use: X = randi(100,[40, 1]) ; X = sort(X) ; ...

1 month ago | 0

| accepted

Answered

How to name each row of a 4 by 4 matrix, that is calculated. Then plot those rows each in a separate figure?

A = rand(4,4) ; var = {'row1', 'row2','row3','row4'} ; % Table T = table(A, 'RowNames',var) ; % Plot for i = 1:4 ...

How to name each row of a 4 by 4 matrix, that is calculated. Then plot those rows each in a separate figure?

A = rand(4,4) ; var = {'row1', 'row2','row3','row4'} ; % Table T = table(A, 'RowNames',var) ; % Plot for i = 1:4 ...

1 month ago | 0

| accepted