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jahanzaib ahmad


57 total contributions since 2018

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Answered
How to mesh a structure to get node and coordinate files?
Have u used abaqus ? If u make such a structure in abaqus it will give u nodes and elements connectivity . Make this in part and...

10 jours ago | 0

| accepted

Answered
Buffer a polygon with a non constant value
Share the code . What have u done ? Polybuffer command give constant offset positive and negative .

10 jours ago | 0

Question


fill the area with random polygons
https://ww2.mathworks.cn/matlabcentral/answers/405186-fill-area-with-random-circles-having-different-diameters @ Walter Roberso...

15 jours ago | 0 answers | 0

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Question


how can i reduce the numer of vertices of tetrahedron by keep the shape approximately same
is there any such thing becaues i dont want so many vertices of tetrahedrons made ?e.g image attached

17 jours ago | 0 answers | 0

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Question


3D Tetra hedron by voronoi diagram .
make polygon more uniform in size at the trade off of randomness remove artifact of the border. adjust repulsion parameters. ...

21 jours ago | 0 answers | 0

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offset function for 3d tetrahedron (like polybuffer for polyshape )
is there any function for 3D tetrahedron like that of polybuffer for 2D polyshapes for making offset .?

22 jours ago | 0 answers | 0

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read .txt file data with data between specific lines "string" .
I want to read data between ( strings ) line starting from " *Node " and ending at and next (strings ) line " *Element,...

22 jours ago | 1 answer | 0

1

answer

Question


.stl file generation with multiple tetrahedron inside cube
i used command stlwrite but got the error "Error using stlwrite (line 33) Tetrahedron triangulation is not supported. " ...

26 jours ago | 0 answers | 0

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Question


matching two matrix with minimum tolerance
a=[0.151418289466622,0.157550272879153,0.164969442201943,0.178618980283435,0.184038910507376,0.185170768702784,0.180965222444...

2 mois ago | 0 answers | 0

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order of vertices of polyshape is not same afterpolybuffer command
x=rand(10,1); y=rand(10,1); k=convhull(x,y); A=[x(k),y(k)]; polyin = polyshape(A); plot(polyin) polyout1 = polybuffer(po...

2 mois ago | 0 answers | 0

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Answered
Substituting by a matrix in an equation and getting a new matrix
matrix=[matrix(:,1), (matrix(:,2:end)/2)]

3 mois ago | 0

Answered
how to reduce vertices of polygon keep the shape same as much as possible
https://ww2.mathworks.cn/matlabcentral/fileexchange/41986-ramer-douglas-peucker-algorithm-demo?s_tid=FX_rc2_behav

3 mois ago | 0

| accepted

Question


how to reduce vertices of polygon keep the shape same as much as possible
i have tried both of these ways pchip(red) and Savitzky-Golay filter(blue) : for polygons.i have problem that the number of ve...

3 mois ago | 1 answer | 0

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Answered
How to determine if a number is prime?
thats not difficult .try to solve it on paper first .for example u have a number 100 . how will u check that its prime or not ? ...

3 mois ago | 0

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Answered
how to convert the data in cell array to .dxf file .
FID = dxf_open('polygons.dxf'); FID = dxf_set(FID,'Color',[0 1 1]); for i=1:length(BB) a=BB{i}; X=a(:,1); Y=a(:...

3 mois ago | 0

| accepted

Question


how to convert the data in cell array to .dxf file .
i have multiple polygons in cell array ( varriable attached and figure) .how these polygons can be converted into .dxf file for ...

3 mois ago | 1 answer | 0

1

answer

Question


how to find the boudaries in image .
how to find the boundaries of stones only .?

3 mois ago | 0 answers | 0

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Answered
generate points between the two point of with a constant increment?
x=linspace(0,1,5); plot(x,x,'.').

3 mois ago | 0

Answered
Index in position 2 exceed array bounds
there is nothing in y(:,i+1)

3 mois ago | 0

Question


skewness parameter in weibull distribution .is there any option for input in weibull distribution for skewness parameter
beta is the shape factor, gamma is skewness factor, d is the mean value how to make such ditrbution ? i cant find any option for...

3 mois ago | 1 answer | 0

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answer

Question


pde 3D POLYGONS
i have FIVE 3D polygons in a cube as total 6 models(including cube ) .i want to mesh them as one model .so that the voulme of p...

3 mois ago | 0 answers | 0

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Question


3d convex polygon from connectivity list and vertices
i made 3d convex polygon A=rand(10,3); DT3 = delaunayTriangulation(A); [C4,v4]= convexHull(DT3); trisurf(C4,DT3.Points(:,1...

3 mois ago | 0 answers | 0

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how to export matlab 3d figure to autocad
how to export the attached matlab 3d figure to autocad .please

4 mois ago | 0 answers | 0

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sort cell array in descending order based on 2nd column
i have cell array and want to sort it based on 2nd column . i have tried this [~,idx] = sort([AA{:,2}]); idx([1:2:end,2:2:en...

4 mois ago | 1 answer | 0

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Question


MATLAB( geometry) to ABAQUS sketch
i have a geometry (figure) made by matlab code. i want to export it to abaqus ".sat " file.or if there is any other way to e...

5 mois ago | 0 answers | 0

0

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Question


non overlapping random circles
in search of a code which can generate output like this on matlab . and the result is in polyshapes ,centre and radius circles...

5 mois ago | 2 answers | 0

2

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Answered
Plotting a graph for time and distance where i have contant velocity
x=rand(3,2); % three points d = pdist(x,'euclidean'); % distancecbetween those points v=50; %veloicty t=d/v; %time plot(x(...

5 mois ago | 0

Answered
How to import values from a column in "for" loop?
c(j), s(j), t(j)) when j= 4 or 5 there is error ..? because c,s,t has only 3 values

5 mois ago | 0

Answered
How to store the coordinates of polygon found from for loop.?
u can store them in cells.. using {} A=[]; this before for loop and this inside loop XX AND XY are vertices of polygons ...

5 mois ago | 1

Answered
Fill area with random circles having different diameters
can some one do such packing with polygons ? without using delauny triagulation

5 mois ago | 0

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