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darova


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625 total contributions since 2019

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Answered
Need help finding the cartesian coordinates of a projectile in flight.
Here is what i invented clc,clear x1 = 671.4971; y1 = 717.2387; z1 = 0; az1 = 75.1148*pi/180; el1 = 9.3679*pi/180; [u1,...

2 hours ago | 0

Answered
Cubic smooth spline plot in 3d for several layers
Maybe you don't need interpolation. I just removed NaN numbers D = importdata('Data.txt'); A = D.data; x = A(:,1); cla ho...

3 hours ago | 0

Answered
Interpolate Points of a 3D Point Cloud?
Use griddata to create surface Use contour3 to create crossection clc,clear load data.txt x = data(:,1); y = data(:,2); z ...

4 hours ago | 0

Answered
Why is my scatter plot producing inconsistent results?
I made some changes to your code. Look points = [pd17 ev17 mat17 cai17 mar17 jen17 bla17 sch17 jam17 nad17 pd18 ev18 c...

5 hours ago | 0

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Answered
How to show only elliptic region in color?
try this [X,Y] = meshgrid( -10:0.2:10 ); Z = X.^2 + Y.^2; ind = X.^2/5^2 + Y.^2/3^2 < 1; Z(~ind) = nan; pcolor(X,Y,Z)

8 hours ago | 0

Answered
How to shade area under 2D- curve into a certain x values
Maybe something is wrong with importing? Try importdata Data = importdata('cl024_12._lab.txt'); L = Data.data(:,5); Depth = D...

10 hours ago | 0

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Answered
How to plot the 3D spherical histogram?
You can create it manually clc,clear v = rand(10,3)*2-1; v0 = v(:,1)*0; quiver3(v0,v0,v0,v(:,1),v(:,2),v(:,3),1) axis equ...

11 hours ago | 0

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Intersection of two helical surfaces
Try filexchange surface_intersection

12 hours ago | 0

Answered
Rotate 3D surface matrices
You can manually change data. Just use rotation matrix a = 15; % angle rotation R = [cosd(a) sind(a);-sind(a) cosd(a)]; V...

12 hours ago | 0

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Answered
how to write code exchange the y value in the ode15s?
Here is the answer

12 hours ago | 0

Answered
saving points in a sequence to form a contour
I made some research and succeeded. See attached script

14 hours ago | 0

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Answered
ploting data excel to matlab
I corrected your script. Try now [filename,path] = uigetfile('.xlsx') dataExcel = xlsread(fullfile(path,filename)) penghasi...

1 day ago | 0

Answered
How do I plot animation of temperature data for a 3D object with time?
Just use pause and for loop maxt = max(t); mint = min(t); N = 100; cmap = jet(N); % generate N colors for tem...

1 day ago | 0

Answered
CAN SOMEONE HELP ME WITH THE PLOT?
My solution x = 1 : 12; y = x; ind = [1 2 4 6 7 8 11]; plot(x,y,'.r') hold on for i = 1:length(ind)-1 x1 = x(ind(i));...

1 day ago | 0

Answered
Filling areas between curves
Example clc,clear x1 = linspace(0,1.5); y1 = sin(x1); x2 = linspace(0,2); y2 = cos(x1); cla [xc,yc] = polyxpoly(x1,y1,x...

2 days ago | 0

Answered
For loop over different dimensions
What about filling with NaN? y = portfolios(:,i); % Between 60 and 180 observation if length(portfolios(:,i)) < 180 y...

2 days ago | 0

Answered
Draw this type of figure from given data.the data contains lat long disp(north,east,down) and other quantities but i need figure only for the displacement simillar to the attached figure
Here is what i tried. I didn't use disp_down, only east and north A = xlsread('coseis.xlsx'); x = A(:,1); y = A(:,2); u = ...

2 days ago | 0

Answered
For Loop nested within a while loop, run until condition is met
This lines actually means: "loop if condition is met" while headold-head<cc % solving for head until convergence criteria is me...

2 days ago | 0

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Answered
how can i make matlab select a value for a vector variable from a set of data
Use xlsread MCRdata = xlsread('data.xls'); % read data from excel file MCR0 = MCRdata(5); % assign 5th v...

2 days ago | 0

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Answered
Changing Name Location of Points
You can set backgroundcolor to your labels x = linspace(0,10); y = sin(x); plot(x,y) text(0.8,0.8,'he','backgroundcolor','r'...

2 days ago | 0

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Answered
Removing the origin from the 3D meshgrid?
Make selected values even (2 4 6 .. 98 100)

2 days ago | 0

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Answered
how can i find the distance from the peak of one wave to another wave in a image?
I suggest next algorithm imcrop region of interest (since it's always at the same position imbinarize image maybe clear a bit...

2 days ago | 0

Answered
How can I centre points of interest in an image before it's cropped and saved?
You previous code was ok i think. Just made some changes [ii,jj] = find(I5); % calculate boundaries i1 = min(ii); %...

2 days ago | 0

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Answered
solving a system of equations where some variables are linked to a function
I tried fsolve %%variables that are known. m_3=0.004 ; h_3=1530; y_3=0.62; To=25+273; P_c=1.5 ; UA=0.5; hfg2=2256; ...

3 days ago | 0

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Answered
2D Temperature Distribution
I made some changes in your code X = 10; Y = 10; theta1 = zeros(X,Y); for n =1:100 theta1 = theta1 + (2/pi)*(((-1)^(n+1...

3 days ago | 0

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Answered
Max of vector in higher dimensional array subject to constraints
Use max() B = max(A,[],3);

3 days ago | 0

Answered
Plot straight lines between the data points in the same colour as the data points with lots of NaN values
Remove NaN? ind = ~isnan(y); plot(x(ind),y(ind),'or') Remember about accepting the answer if it helps

3 days ago | 0

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Answered
How do you use ./ operator on array of custom class

3 days ago | 0

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Answered
Transform RGB image to grayscale but keep format as RBG
You can use repmat or cat to create 3D matrix I1 = rgb2gray(I); I2 = cat(3,I1,I1,I1); % gray image as 3D matrix %I2 = r...

3 days ago | 0

Answered
Excel data set to vectors
Use quiver function u1 = diff(x1); v1 = diff(y1); plot(x,y,'.r') hold on quiver(x1(1:end-1),y1(1:end-1),u1,v1) hold off

3 days ago | 0

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