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darova


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1,326 total contributions since 2019

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Answered
Creating second figure with different view
Use view() function

17 hours ago | 0

Answered
Two-body problem program gone wrong
rddot = -mue*rv/R^3; This line tells that you have non-constant angular acceleration So it's ok if you orbit is changing

18 hours ago | 0

Answered
Plotting the iso-surface in a specific range of values
Use for loop to create several value

1 day ago | 0

Answered
Cluster 3D data
Try clusterdata

1 day ago | 1

Answered
vector fields in Matlab
Here is the mistake

1 day ago | 0

Answered
how can I vectorize my code when multiple variables are present
Try to remove parenthesis

3 days ago | 0

Answered
Solve 4 circles with known centers and radii
You can try to use image processing toolbox clc,clear [x,y] = meshgrid(1:100); A1 = (x-20).^2+ (y-30).^2 < 15^2; A2 = (x-5...

3 days ago | 0

Answered
Help with double for loop
I'll give you a start T= zeros(m,n); % preallocation T(1,:) = % initial condition for i = 1:m-1 for j = 1:n-1 ...

3 days ago | 0

Answered
How to simplify x and y coordinates or numbers
Try meshgrid() [x,y] = meshgrid(1:4,1:3); [x(:) y(:)]

4 days ago | 0

Answered
How can I plot a function containing an integral ?
I suggest you to use numerical approach - cumtrapz clc,clear x = linspace(1,15,100); f = 2*x; sf = cumtrapz(x,f); plot(x,...

5 days ago | 1

| accepted

Answered
Getting data values using lat and lon indexes
I'd use interp2

5 days ago | 0

| accepted

Answered
How can I snap my data point to the border for a colormap/heatmap?
Here is the idea create new mesh for the contour interpolate values

5 days ago | 1

Answered
billiard animation, set multiple rectangles, funny guy
Here is an example clc,clear g = 9.8; n = 3; x0 = rand(n,1); y0 = rand(n,1); vx = rand(n,1); vy = rand(n,1); dt = 0.03...

5 days ago | 0

Answered
how to solve this ode:
Try this way [t,y]=ode45(@EQ2,[0:1800],[0,0]);

5 days ago | 0

Answered
Is there a way to count within the pattern, different points in a graph before repeating?
You can round data to integer and use unique x0 = rand(10,1); x1 = round(10*x0); % round data to 1 symbol after the dot ...

6 days ago | 0

Answered
Surface Integral of discrete data sampled in spherical coordinates
I think you forgout about

6 days ago | 0

Answered
A more (computational) performant way to plot multiple scatter3 plots in a figure
Use plot3 instead of scatter3 Scatter is verry expensive function

6 days ago | 0

Answered
Timespan within Ode45
change heade of a function function dYdt = deri_Y(t,Y,m0) call the function for m0 = [0.4 0.5 1] [tSol_1,YSol_1] = ode45...

7 days ago | 0

| accepted

Answered
Comparing the dots in two images and eliminating the dots which don't have pairs
See this example A1 = imread('image1.png'); A2 = imread('image2.png'); I1 = rgb2gray(A1); % convert ot grayscale I2...

7 days ago | 0

Answered
Fill a circle with Gaussian districution- like colour contour
here is a shot clc,clear [x,y,z] = sphere(10); pcolor(x,y,z,'edgecolor','none')

7 days ago | 0

Answered
Offset removal from a sinusoidal wave
I have an idea clc,clear x = linspace(0,20,100); y = sin(x); ind = -0.5<y & y<0.5; x1 = x(~ind); y1 = y(~ind); y1 = y1 ...

7 days ago | 0

Answered
Project on Robotic arm lying on the centre of a square where my end effector lying on one corner and it should move from one corner to other corner and pause for 10 milli seconds until it reaches its initial position.
Here is an example clc,clear D1 = 0.2; D2 = 0.15; t = pi/4+(0:pi/2:2*pi); [x,y] = pol2cart(t,sqrt(2)*0.2); % creat...

7 days ago | 0

| accepted

Answered
How can I add the differential equation attached to my script to run in the loop, where n = 4 for the first value of n.
If you have formula for you don't need diff equation T = 1159: 1 : 1358; fr = 1 - exp(-(K*(T-T0)/H).^n); c1 = diff( log(-log...

8 days ago | 0

Answered
Remove everything outside a defined area
Try initmesh to triangulate example

8 days ago | 1

| accepted

Answered
Area calculation of circle projection on cylindric surface
Use sufaceIntersection to find intersection curve Use triangulation to find area: LINK1, decsg, initmesh Here is an example (n...

8 days ago | 0

Answered
Smooth/Interpolate 3D Curve (Skeleton axis)
see this question: LINK

9 days ago | 0

Answered
How to plot streamline for velocity data??
try this clc,clear [x,y,z] = peaks(20); % some data [u,v] = gradient(z); % create direction vectors ...

9 days ago | 0

Answered
writing a traveling electromagnetic wave
I think your plot should be a surface since you have two dependent variables z and t Here is an example t = linspace(0,200,30)...

9 days ago | 0

Answered
How to switch order of clusters in silhouette plot?
what about this? x = rand(20,1); y = rand(20,1); plot(x(1:15),y(1:15),'.r') hold on plot(x(5:end),y(5:end),'ob') hold off ...

11 days ago | 0

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