How to import geometry from STL without approximation ?
Here is an example. Read more: 2-D Geometry Creation at Command Line t = 0:0.2:2*pi; % make sure the curve ...

21 days ago | 0

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Help to model a phisical problem in Matlab
Why about spline? I placed two points close to each other to manipulate with tangent angle x0 = [0 0 2 3 4 4]; ...

25 days ago | 0

convert double NaN to string NaN
Try num2str a = {nan 1 nan}; cellfun(@num2str,a,'UniformOutput',0)

26 days ago | 0

force input in ode
You need to pass F into your ode function. Read more: LINK for i = 1:length(F) [t,y] = ode45(@(t,y)beam_function(t,y,F(i))...

26 days ago | 0

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How could I solve this error?
You are using the same variable as in for loop. That why you have an error

27 days ago | 0

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Finding coordinates in a plot
Use polyxpoly x1 = 0:.1:pi; % first curve y1 = sin(x1); x2 = [0 pi]; % straight line for findinf intersection y...

29 days ago | 1

how to remove horizontal and vertical lines from image?
Here is an attempt. Use bwlabel then to separate each region and analyze I0 = imread('image.jpeg'); I1 = im2bw(I0,0.2); I2 = ...

29 days ago | 0

Here is the vectorized version (not tested) xkj0 = x-x'; xkj0 = xkj0.*eye(size(xkj0)) + eye(size(xkj0)); % make diagonal eleme...

30 days ago | 0

How to center-align uitable cells which are all numerical values?
Here is an example. Read more about sprintf crit1 = {'Some','Key','Words','Here','To','Set','The','Criterion'}; s = sprintf('%...

30 days ago | 0

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How to view the entire 3D object in XY plane and access the values from it
Try rotate [x,y,z] = ellipsoid(); h = surf(x,y,z); rotate(h,angle,dir,origin) z1 = get(h,'zdata');

1 month ago | 0

How to plot on two y- axis
You have 3D data. How do you want it to plot in 2d? s = load('test.mat')

1 month ago | 0

Replacing certain values in table with NaN based on different conditions
Maybe you need to convert your data into matrix first A = randi(10,5,4) ind = A(:,1) < 5; % have this error when using '...

1 month ago | 0

how to plot 1x1 struct timeseries having field names cell 1x1 array? The .mat file is a time series data with 3 columns of data with respect to time.
Extrac the data and plo % % Plotting data from the .mat file data = load('THPWM.mat'); fieldnames(data) data.ans x = dat...

1 month ago | 0

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how can I compare two columns from a differente table that are similar but no equal and then take the difference?
Here is my idea if length(T2.min) > length(T1.xmin) T = T1; else T = T2; end for i=1:length(T.xmin) if abs(...

1 month ago | 1

2D contour plot considering the boundary of data
Use initmesh to mesh [x,y,z] = peaks(20); t = linspace(0,-pi,20); [xr,yr] = pol2cart(t,2); % round part x1 = [-3 -3 ...

1 month ago | 1

Create an image (pixels) circle with slices (not from the center) and paint each slice a different color
Here is an example with using matrix r0 = 100; % radius of a circle t = linspace(0, 2*pi, 15...

1 month ago | 0

Interpolate scattered values on a regular grid with bi-harmonic interpolation method
Create appropriate mesh x = linspace(min(reservoir(:,1)),max(reservoir(:,1)),20); y = linspace(min(reservoir(:,2)),max(reservo...

1 month ago | 1

Loop in loop only returns results of first iteration
Try to preallocate Vol variable before for loop. Vol has size 141 after first iteration, that's why you have 282 elements Vol =...

1 month ago | 0

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How to place/ define points on a triangulated meshed surface?
Here is another approach, but works only if you don't have points inside: pick a point inside a contour (center) convert data ...

1 month ago | 1

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How can I make multiple lines on a graph more spaced apart?
Try semilogy Try legend t = 0:0.1:10; plot(t,sin(t),'.r') line(t,sin(t)) line(t,cos(t),'marker','.','color','g') line(t,co...

1 month ago | 0

How to update main grid with a seperately created subgrid values
Here is an example ind1 = X < min(x(:)) & X < max(x(:)); % indices inbetween smallest and largest 'x' ind2 = Y < min(y(:)) &...

1 month ago | 0

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Hi all I am trying to plot a second order BVP in MATLAB
Here is the problem

1 month ago | 0

How to NOT share variable with nested function?
If you declare function or variable inside nested function it rewrites itself. There is no option for mistake function main a ...

1 month ago | 0

Rotate the centre plate in a geometry
You can rotate it using rotation matrix Or you can use rotate()

1 month ago | 0

How to create a single gobjects for different plots to avoid using clf
Try this way x = 0:.2:10; y1 = x + nan; y2 = x + nan; h1 = plot(x,y1,'r'); h2 = line(x,y2); for i = 1:length(x) y1(i)...

1 month ago | 0

ODE 45 couldn't solve the differential equation.
Try this way psol = []; for k = 1:3 ode_ = @(z,Pp) (-ap + (((sca*nc)-(sac*na))*Tp*Nt(k)*Pp))'; psol = [psol; ode45(o...

1 month ago | 0

How can I change the line colour in a geoplot based on data?
Try set h1 = geoplot(..); set(h1,'color','r')

1 month ago | 0