darova

Last seen: 1日前

1,332 2019 年以降の合計貢献数

darova's バッジ

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solving non-linear equations
Use cosd and sind for degrees

1日前 | 0

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3D Cartesian Contour Plot with 1 dimensional XYZC points
Try griddata or scatteredInterpolant to generate 3D matrices Use isosurface to visualize specific C color value

1日前 | 0

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2D Animated Orientation Vector of Satellite in Orbit
Here is an example clc,clear t = linspace(0,2*pi,30); [x,y] = pol2cart(t,2); dx = diff(x); dy = diff(y); plot(x,y) ho...

1日前 | 0

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trying to create a vector storing the first value of long_way
s index can't be float number

1日前 | 0

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Surf plot as .svg file with many grid lines too dark
What about this approach? clc,clear [x,y,z] = peaks(59); ii = 1:5:size(x,1); jj = 1:5:size(x,2); surf(x,y,z,'edgecolor'...

1日前 | 0

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Solve non-linear equations system parametrically, Why are the answers empty?
You didn't assign values to these variables % h k1 Lz1 k21 Lz2 k32 Lz3 a1 a2 a3 b1 b2 b3 w1 w2 w3 r1 r2 r3;

1日前 | 0

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Creating second figure with different view
Use view() function

4日前 | 0

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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

4日前 | 0

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

5日前 | 0

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Cluster 3D data
Try clusterdata

5日前 | 1

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vector fields in Matlab
Here is the mistake

5日前 | 0

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

5日前 | 0

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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...

5日前 | 0

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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 ...

5日前 | 0

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

7日前 | 0

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How can I get the interpolated pathway using control points and visualize it in Volume Viewer?
See this answer: LINK

7日前 | 0

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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,...

8日前 | 1

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

8日前 | 0

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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

8日前 | 1

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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...

8日前 | 0

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

8日前 | 0

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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 ...

9日前 | 0

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

9日前 | 0

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

9日前 | 0

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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...

10日前 | 0

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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...

10日前 | 0

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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')

10日前 | 0

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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 ...

10日前 | 0

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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...

10日前 | 0

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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...

10日前 | 0