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darova


Last seen: ungefär en månad ago
1 453 total contributions since 2019

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Answered
Use a different colormap scale for different sections of a matrix
YOu can create your own color matrix [x,y,z] = peaks(30); ix = x.^2 + y.^2 < 2^2; c1 = z*0; c2 = z*0; c1(ix) = 1; c2(~ix) ...

ungefär en månad ago | 0

Answered
Medial axis extraction from a .STL file
An example [x,y,z] = cylinder(10); h = surf(x,y,z); p = surf2patch(h,'triangle'); p.facecolor = 'red'; stlwrite('test',p) ...

ungefär en månad ago | 0

Answered
Solving Population Balance Equation for multiple initial particle dimensions
First of all - timespan 0:1.2 is just [0 1] L=[1.2]; % Pipe Length ranges (m) [Z,N]=ode15s(...

ungefär en månad ago | 1

Answered
how to add titles row wise in the montage ?
What about text function? load mri montage(D, map) text(500,25,'TITLE 1','fontsize',30,'color','yellow','fontweight','bold') ...

ungefär en månad ago | 1

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Answered
Plot in 300 or 600 dpi
Use print x = 0:10; y = sin(x); plot(x,y); print('test','-dpng','-r300')

ungefär en månad ago | 1

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Answered
Plotting dates on the x-axis
Just use datenum a = rand(5,4,3); datenum(a(:,1),a(:,2),a(:,3)) Use sort if needed

ungefär en månad ago | 0

Answered
Solve an equation, for a variable, with prompts?
What about this? function main a = myprompt('Please enter a:'); b = myprompt('the same way b:'); function y = myprompt(s...

ungefär en månad ago | 0

Answered
Looping of more than one first order equations in in function file that can be updated for different value variable parameter
See this example f = @(t,x,a) [x(2); x(1)-a*sin(x(1))]; a = rand(10,1); % parameter cmap = jet(10); for i = 1:length(a)...

ungefär en månad ago | 0

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Answered
How do I print probability distribution object into textbox?
Here pd = makedist('Normal'); sig1 = pd.sigma mu1 = pd.mu

ungefär en månad ago | 1

Answered
solving equations with trigonometric functions
Here is the similar example. Maybe you will be interested , , and length are given. angle is changing Calculate length and...

ungefär en månad ago | 0

Answered
How to get back the values of a curve from its cumulative integral value?
Use diff to find real curve from cumulative trapezoid result

ungefär en månad ago | 0

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Answered
How to convert from surf to plot3 ?
Try meshgrid [X1,Y1] = meshgrid(X,Y); plot3(X1,Y1,Z1) line(X1',Y1',Z1')

ungefär en månad ago | 1

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Answered
How do I create variable vectors with a new value for each iteration of a loop?
Here are some corrections % yp=y0; % you are replacing variable yp with y0 yp(1) = y0; % you need to replace first valu...

ungefär en månad ago | 0

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Answered
Measure distance and angle of object
Here is the algorithm crop the region 1 and find min/max [m,n] = size(step1); [~,x1] = find(step1(:,1:n/2),1,'last'); [~,x2...

ungefär en månad ago | 0

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Answered
how to compute derivative
Only you know initial conditions. Imagine the situation: you are throwing the ball, initial conditions are velocity and angle. O...

ungefär en månad ago | 1

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Answered
Plotting Convergence Graph from Bisection Method
Try this while %condition % code line(iter,erorr,'marker','.') iter = iter + 1; end

ungefär en månad ago | 0

Answered
How to generate straight lines to 2D target points, each straight line is connected by 10 points which represent 10 steps from (0,0) to target point, for example (5,6)?
What about this x = rand(20,1); y = rand(20,1); line([x x*0]',[y y*0]')

ungefär en månad ago | 0

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Answered
How to detect a curve (surface roughness) from image?
binarize image first remove noise using bwareaopen use edge remove noise if needed using bwareaopen

ungefär en månad ago | 1

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Answered
Having trouble making a surface plot using data from Excel
Either use triangulation x = rand(20,1); y = rand(20,1); z = rand(20,1); dt = delaunay(x,y); trisurf(dt,x,y,z) Either gr...

ungefär en månad ago | 0

Answered
How can I use the subplot command to plot the root estimates vs iterations and the error vs iterations
Try this figure hold on while %condition % some code subplot(2,1,1) plot(iter,root) subplot(2,1,2) p...

ungefär en månad ago | 0

Answered
Integrating a function with one of the limits a matrix
Why don't just use for loop? integralCalculated = zeros(size(u)); for i = 1:length(u) integralCalculated(i) = integral(@(...

ungefär en månad ago | 0

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Answered
Evaluating polynomial functions to get integer as answer
solve can be used for simple problems. Use fsolve or vpasolve to get numerical results

ungefär en månad ago | 1

Answered
How to calculate area under each peak in plot from sampled data
Here is ax example x = 0:20; y = sin(x); [xc,yc] = polyxpoly(x,y,[0 20],[0 0]); % find '0' points intersections x1 = [x...

ungefär en månad ago | 0

Answered
Triangulation of a domain
Here is ax example of triangulation t = (0:90:270)+45; [x,y] = pol2cart(t*pi/180,1); gd = [2;length(x);x(:);y(:)]; % geomet...

ungefär en månad ago | 1

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Answered
empty figure for a given code
You forgot the dot (element-wise operator) You can simplify your code using for loop a0 = 1; for i = 1:5 a0 = ((a0*K-a...

ungefär en månad ago | 1

Answered
Filling in a spherical triangle
clc,clear t = [0; 45; 45]*pi/180; q = [45; 45; 90]*pi/180; [x,y,z] = sph2cart([t;t(1)],[q;q(1)],1); % convert angl...

ungefär en månad ago | 0

Answered
How to create custom color wheel for velocity data stored as RGB and only using R/G channels?
What about this? [R,G] = ndgrid(0:10:360,0:1); % polar coordinates [X,Y] = pol2cart(R*pi/180,G); % convefrt o cart...

ungefär en månad ago | 0

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Answered
i want to draw a streamline at 45 degree.
clc,clear [t,r] = ndgrid(0:5:45,0:10); % create mesh in polar coordinates [x,y] = pol2cart(t*pi/180,r); % con...

ungefär en månad ago | 0

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Answered
How to get all yellow piexels that interact with the blue piexels?
What about contour? [m,n] = size(data); [x,y] = meshgrid(1:m,1:n); [C,h] = contour(x,y,data,[0.9 0.9]); h1 = get(h,'children...

ungefär en månad ago | 0

Answered
Compute x and y by integrating the ODE system using Huen's method.
You should use for loop function [x,y] = odeHuen (f,x0,h,nSteps,y0) % Initialize the output solution arrays. m = length(y0);...

ungefär en månad ago | 0

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