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darova


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820 total contributions since 2019

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Answered
how plot a correct interpolation with surf plot?
It happens because of different scales of data. Don't know why MATLAB get confused about it (even linear interpolation) scale...

9 hours ago | 0

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Answered
"dsolve" gives some extra terms in the solution
Here is comparison of solutions. See script inside

1 day ago | 0

Answered
Interpolating scattered data within a shapefile/worldmap
Here is my effort. Am i succeeded? S = importdata('CP_c.csv'); A = S.data; x = A(:,1); y = A(:,2); z = A(:,3); xx = linspa...

1 day ago | 0

Answered
How can I plot two variables with the line color varying as the third variable?
Use patch x = linspace(0,10); y = sin(x); c = jet(100); n = length(x); fv = [1:n-1;2:n]'; patch('faces',fv,'vertices',[x; ...

1 day ago | 0

Answered
Voronoi Diagram in Dashed Lines
Try to grab only handles of voronoi lines set(h(2:end),'linestyle','--')

1 day ago | 0

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Answered
How to use normal, length, width, and center coordinates to create a rectangular surface in three dimensions?
Create Left vector using cross product p0 = [X Y Z]; % origin p1 = p0 + height/2*Up + width/2*left; p2 = ... % do al...

1 day ago | 0

Answered
Fill in missing NaNs
Use bwlabel A1 = isnan(A); % find NaN [L,n] = bwlabel(A1); % label each re...

1 day ago | 1

Answered
Need matlab coding for the given c program
try this i = 1; a{1} = '1'; while ~strcmp(a(i),'&') str = input('','s'); i = i + 1; a{i} = str; end

1 day ago | 0

Answered
How to pick an answer from solver for further calculations
Use logical operators ix = 0<Xi && Xi<1; x1 = Xi(ix);

1 day ago | 0

Answered
Question for color set in colorbar
Yes, there is a way. Use colormap cmap = hot(100); colormap(cmap(30:end,:)) % i use only last 70 values because first 3...

1 day ago | 0

Answered
Deleting overlapping segments between two vectors
Use bwselect cross = a.*b; ix = find(cross); % cross indices ia = bwselect(a,ix,1+ix*0); % find regions in ...

1 day ago | 0

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Answered
How Can you redesign this code? Same result but different structure
You can remove some constants from for loop to speed up your code This part can be shorter and vectorized % for i=1:p % ...

2 days ago | 0

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Answered
How can I plot an equation to its time lag?
Use for loops c(1) = w + (1-b)*(1+r)*a0 + D; for t = 1:n-1 c(t+1) = (1+r)*(c(t)-ch)*b + ch; end plot(1:n,c)

2 days ago | 0

Answered
Fullfile function gives me a false reading with the slash symbol
Try this Or you can remove slash symbol fileToRead(end-5) = [];

2 days ago | 0

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Answered
Memory efficient vectorization of a for loop
Store values manually like sparse % preallocation? irow = []; icol = []; iplane = []; for i = 1:... % do stuff ...

2 days ago | 0

Answered
Change in velocity equation with explicit method
Here is what i think about this question for n = 2:length(t) if m(n-1) > me % if rocket has fuel dm = ...

2 days ago | 0

Answered
How do i store value in a array from for loop?
I give you simple example for a start n = 10; y = zeros(1,n); for i = 1:n-1 x = x + dx; dy = sin(x); y(i+1) = ...

3 days ago | 1

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Answered
How can I plot a system of nonlinear ODEs with an added term used to model chemotherapy?
Here is an idea: function main t1 = 0.01; % start period t2 = tau-0.01; % end period hold on ...

4 days ago | 0

Answered
Create Bar Charts with different number of groups for each iteration.
Try NaN for f=1:nBFonds figure(f) Var = nan(1,26); pInd=transpose(peersInd==f); Var1 = [TotRetB(1,f);TotRet...

4 days ago | 1

Answered
Is griddedinterpolant omits NaN?
You can find out by yourself [X,Y] = meshgrid(0:10); Z = 0*X; Z(5:7,5:7) = nan; surf(X,Y,Z,'edgecolor','none') [X1,Y1] = ...

4 days ago | 1

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Answered
Index in position 1 exceeds array bounds (must not exceed 1)
i am sure that indexing is right

4 days ago | 0

Answered
Produce equality matrix based on elements in vector.
Try bsxfun % make all combinations using bsxfun C = bsxfun(@minus,b(:),a(:)'); % b - rows, a - columns [i,j] = find(~C);...

4 days ago | 0

Answered
How to sum specific elements in a row of a matrix
try this A = rand(256); srow = 0; for i = 1:16:size(A,1) srow = srow + sum(A(i:i+3,:),1); end

4 days ago | 1

Answered
How to calculate the arterial wall thickness on an image?
You should have some scale parameters Here is idea: human = 45 * 3/100 = 1.35 [m]

4 days ago | 0

Answered
Generate a random orthonormal vector (i) to a given unit vector and (ii) with n-2 predetermined components
What about fsolve b = 1; c = 1; v1 = [-0.52 0.72 -0.19 0.37 -0.18]; v2 = @(x)[x b c 0.45 -0.09]; F = @(x) dot(v1,v2(x)); r...

5 days ago | 0

Answered
Pass out a dependent variable from ode15s without taking the derivative of it
You should calculate rr variable after solving ode45 An example function main [t,u] = ode45(@f,[0.1 3],[1 1]); u1 = u(:,1); ...

5 days ago | 0

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Answered
PLOT IS NOT SHOWING ANYTHING
Use subplot to draw curvees in separate windows subplot(2,1,1) plot(T,Y(:,1),'r') subplot(2,1,2)] plot(T,Y(:,2),'r')

5 days ago | 0

Answered
fsolve stopped because the problem appears regular
Try this [X,Y] = meshgrid((-6:0)*1e34, (-10:10)*1e34); Z1 = X*0; Z2 = X*0; for i = 1:size(X,1) for j = 1:size(X,2) ...

5 days ago | 0

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Answered
Move STL object in matlab
Example: the code for selecting pink object fv = stlread(fileName); % extract data v = fv.vertices; ...

5 days ago | 0

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