Answered

How to apply a texture to a specific portion of a surface?

Use inpolygon to copy region you want Create new surface Apply texture to object

How to apply a texture to a specific portion of a surface?

Use inpolygon to copy region you want Create new surface Apply texture to object

environ 11 heures ago | 0

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Answered

How to find x value for a given y?

Here is an example: f = @(x) sin(x); x = 0:10; x0 = fzero(@(x)f(x)-0.5,pi); plot(x0,f(x0),'or') line(x,f(x)) If you have m...

How to find x value for a given y?

Here is an example: f = @(x) sin(x); x = 0:10; x0 = fzero(@(x)f(x)-0.5,pi); plot(x0,f(x0),'or') line(x,f(x)) If you have m...

environ 12 heures ago | 0

Answered

How do I create a source field of light through a circular aperture?

First of all you forgout about element-wise: X1.^2 + Y.^2 % each element of matrix in power '2' Here is what i tried

How do I create a source field of light through a circular aperture?

First of all you forgout about element-wise: X1.^2 + Y.^2 % each element of matrix in power '2' Here is what i tried

environ 12 heures ago | 0

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Answered

how to plot for loop using concatenation to increase performance

Try to plot all together at once n = size(A,1); fv.vertices = A; fv.faces = [1:n-512; 512+1:n]'; patch(fv)

how to plot for loop using concatenation to increase performance

Try to plot all together at once n = size(A,1); fv.vertices = A; fv.faces = [1:n-512; 512+1:n]'; patch(fv)

environ 14 heures ago | 0

Answered

How to fit a monotonically increasing map to a certain data?

Try f = fit([x(:) y(:)],z(:),'poly11'); % or manually % f = fit([x(:) y(:)],z(:),'a*x+b*y+c');

How to fit a monotonically increasing map to a certain data?

Try f = fit([x(:) y(:)],z(:),'poly11'); % or manually % f = fit([x(:) y(:)],z(:),'a*x+b*y+c');

environ 15 heures ago | 0

Answered

How can my script be change so that it always include all the arrays with a value?

Try this approach

How can my script be change so that it always include all the arrays with a value?

Try this approach

environ 15 heures ago | 0

Answered

fsolve for a set of equations

Try this syms x a = 1; b = 2; f = a*x+b; F = matlabFunction(f); fsolve(F,1)

fsolve for a set of equations

Try this syms x a = 1; b = 2; f = a*x+b; F = matlabFunction(f); fsolve(F,1)

environ 16 heures ago | 0

Answered

Reading in different files based on a array of strings

Use this simple construction Contact = {'C1.txt','C2.txt'}; %this is the array of strings that i am using for the names of each...

Reading in different files based on a array of strings

Use this simple construction Contact = {'C1.txt','C2.txt'}; %this is the array of strings that i am using for the names of each...

environ 17 heures ago | 0

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Answered

VRML surface conic projection

Here is an idea: Projection onto cone: if your data in cartesian system - convert it to polar () New radius of projected d...

VRML surface conic projection

Here is an idea: Projection onto cone: if your data in cartesian system - convert it to polar () New radius of projected d...

environ 20 heures ago | 0

Answered

Title on the colour bar and legend issues

Use handlers to add specific string to legend pcolor() hold on h1 = plot(); h2 = plot(); hold off legend([h1 h2],'red','bl...

Title on the colour bar and legend issues

Use handlers to add specific string to legend pcolor() hold on h1 = plot(); h2 = plot(); hold off legend([h1 h2],'red','bl...

1 jour ago | 0

Answered

Filling a region between parametric curves?

Try this to detect which values in a wrong order % This is a plot of the region I want to get! X = [real(z_ub) flip(real(z_ub)...

Filling a region between parametric curves?

Try this to detect which values in a wrong order % This is a plot of the region I want to get! X = [real(z_ub) flip(real(z_ub)...

1 jour ago | 1

Answered

I am trying to create a normal random moving point for each individual point in a 3D scatter point. How do I go about to do this?

What about this? n = 5; [X,Y] = meshgrid(1:n); % create mesh T = 180*rand(n)-90; % initial angle...

I am trying to create a normal random moving point for each individual point in a 3D scatter point. How do I go about to do this?

What about this? n = 5; [X,Y] = meshgrid(1:n); % create mesh T = 180*rand(n)-90; % initial angle...

1 jour ago | 0

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Answered

Trouble calculating Acceleration from given velocity vector.

So what about this formula? a = diff(V)/diff(T) Just forgot about ./ element-wise operator a = diff(V)./diff(Time); Then use...

Trouble calculating Acceleration from given velocity vector.

So what about this formula? a = diff(V)/diff(T) Just forgot about ./ element-wise operator a = diff(V)./diff(Time); Then use...

2 jours ago | 0

Answered

How to load file that is without extension

Try importdata A = importdata('what.data.1')

How to load file that is without extension

Try importdata A = importdata('what.data.1')

2 jours ago | 0

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Answered

Error using ODE45

The name of function is myinput function u=myinput(t,M) But you are trying to pass as argument some u [~,Xout11] = ode45(@(t,...

Error using ODE45

The name of function is myinput function u=myinput(t,M) But you are trying to pass as argument some u [~,Xout11] = ode45(@(t,...

2 jours ago | 0

Answered

range different longitude and latitude geoshow

Here is my idea Use meshgrid to create a grid (red points) Use inpolygon to choose points inside map (blue circles)

range different longitude and latitude geoshow

Here is my idea Use meshgrid to create a grid (red points) Use inpolygon to choose points inside map (blue circles)

2 jours ago | 0

Answered

Applying different equations to sections of a column using a for loop

What about for loop? for i = 1:300 if i <= 100 y(i) = a1*x(i)+b1(1); elseif i <= 200 y(i) = a2*x(i)...

Applying different equations to sections of a column using a for loop

What about for loop? for i = 1:300 if i <= 100 y(i) = a1*x(i)+b1(1); elseif i <= 200 y(i) = a2*x(i)...

2 jours ago | 0

Answered

Make white portions of slice of flow data transparent

An example of how to make some faces transparent [X,Y] = meshgrid(-10:10); % generate mesh Z = -X.^2-Y.^2; ...

Make white portions of slice of flow data transparent

An example of how to make some faces transparent [X,Y] = meshgrid(-10:10); % generate mesh Z = -X.^2-Y.^2; ...

2 jours ago | 0

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Answered

calculating and writing sorted results in matlab

Can I use the command dlmwrite with some parameters? Yes you can. example M = [1 2 3; 4 3 2]; dlmwrite('myFile.txt',M,'delim...

calculating and writing sorted results in matlab

Can I use the command dlmwrite with some parameters? Yes you can. example M = [1 2 3; 4 3 2]; dlmwrite('myFile.txt',M,'delim...

3 jours ago | 0

Answered

solving 4 equation with 4 unkowns

It's because of the way you concantenate your equations Example of two different declarations [1 - 2] ans = -1 [1 -2] ...

solving 4 equation with 4 unkowns

It's because of the way you concantenate your equations Example of two different declarations [1 - 2] ans = -1 [1 -2] ...

3 jours ago | 0

Answered

Tight surface meshing of 3D points

I just looped through all edges and calculated length clc,clear load points.mat ii = 1:50:size(a,1); % i reduced size of...

Tight surface meshing of 3D points

I just looped through all edges and calculated length clc,clear load points.mat ii = 1:50:size(a,1); % i reduced size of...

3 jours ago | 0

Answered

Function returns a vector of length 6, but the length of initial conditions vector is 34. The vector returned by ICEMODELFUNC and the initial conditions vector must have the same number of elements.

You want several solution for thetaRAD So just put your ode45 function inside for loop tspan = t0:tdelta:tf; for i = 1:length...

Function returns a vector of length 6, but the length of initial conditions vector is 34. The vector returned by ICEMODELFUNC and the initial conditions vector must have the same number of elements.

You want several solution for thetaRAD So just put your ode45 function inside for loop tspan = t0:tdelta:tf; for i = 1:length...

3 jours ago | 0

Answered

How created a graph from unordered node list?

Try this x = x(:); y = y(:); plot([x(source) x(target)],[y(source) y(tagrget)]) or patch function fv.vertices = [x(:) y(:)]...

How created a graph from unordered node list?

Try this x = x(:); y = y(:); plot([x(source) x(target)],[y(source) y(tagrget)]) or patch function fv.vertices = [x(:) y(:)]...

3 jours ago | 0

Answered

How can I get velocity values for stream3 function

A short example clc,clear cla load wind [sx sy sz] = meshgrid(80,20:10:50,0:5:15); h = streamline(stream3(x,y,z,u,v,w,sx,sy...

How can I get velocity values for stream3 function

A short example clc,clear cla load wind [sx sy sz] = meshgrid(80,20:10:50,0:5:15); h = streamline(stream3(x,y,z,u,v,w,sx,sy...

3 jours ago | 0

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Answered

Rotating projectile curve about y-axis

You can create a mesh in polar system of coordinates Assuming t = linspace(0,2*pi,30); % angle r = x; ...

Rotating projectile curve about y-axis

You can create a mesh in polar system of coordinates Assuming t = linspace(0,2*pi,30); % angle r = x; ...

3 jours ago | 0

Answered

Plotting a sphere consisting of planes

Use patch for this problem % create data of format % Ax Ay Az % Ax Ay Az % ... % Bx By Bz % Bx By Bz % ... % Cx Cy Cz %...

Plotting a sphere consisting of planes

Use patch for this problem % create data of format % Ax Ay Az % Ax Ay Az % ... % Bx By Bz % Bx By Bz % ... % Cx Cy Cz %...

3 jours ago | 0

Answered

tracking object in a video

if these [X_barycentre, Y_barycentre] are coordinates of a center Use imcrop to crop the image h = 50; % side of recta...

tracking object in a video

if these [X_barycentre, Y_barycentre] are coordinates of a center Use imcrop to crop the image h = 50; % side of recta...

3 jours ago | 0

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