# jahanzaib ahmad

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**Content Feed**

How I can find co ordinates of intersection of two curves ?

https://uk.mathworks.com/matlabcentral/answers/318475-how-to-find-the-intersection-of-two-curves?s_tid=answers_rc1-1_p1_MLT [...

3 years ago | 0

How to find the intersection of two curves

[xx,yy]=polyxpoly(y,x,y,x1); plot(xx,yy,'*'); hold on

3 years ago | 3

How I can find co ordinates of intersection of two curves ?

use polyxpoly function in mapping toolbox and get intersection points

3 years ago | 1

Question about STL file

https://uk.mathworks.com/matlabcentral/fileexchange/20922-stlwrite-write-ascii-or-binary-stl-files?s_tid=srchtitle

3 years ago | 0

| accepted

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...

3 years ago | 0

| accepted

Buffer a polygon with a non constant value

Share the code . What have u done ? Polybuffer command give constant offset positive and negative .

3 years 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...

3 years ago | 0 answers | 0

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answersQuestion

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

3 years ago | 1 answer | 0

### 1

answerQuestion

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. ...

3 years ago | 0 answers | 0

### 0

answersQuestion

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 .?

3 years ago | 0 answers | 1

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answersQuestion

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,...

3 years ago | 1 answer | 0

### 1

answerQuestion

.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. " ...

3 years ago | 0 answers | 0

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answersQuestion

matching two matrix with minimum tolerance

a=[0.151418289466622,0.157550272879153,0.164969442201943,0.178618980283435,0.184038910507376,0.185170768702784,0.180965222444...

3 years ago | 0 answers | 0

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answersQuestion

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...

3 years ago | 0 answers | 0

### 0

answersSubstituting by a matrix in an equation and getting a new matrix

matrix=[matrix(:,1), (matrix(:,2:end)/2)]

3 years ago | 0

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 years 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 years ago | 2 answers | 0

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answersHow 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 years ago | 1

| accepted

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 years 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 years ago | 1 answer | 0

### 1

answerQuestion

how to find the boudaries in image .

how to find the boundaries of stones only .?

3 years ago | 0 answers | 0

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answersgenerate points between the two point of with a constant increment?

x=linspace(0,1,5); plot(x,x,'.').

3 years 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 years ago | 1 answer | 0

### 1

answerQuestion

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 years ago | 0 answers | 0

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answersQuestion

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 years ago | 0 answers | 0

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answersQuestion

how to export matlab 3d figure to autocad

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

3 years ago | 0 answers | 0

### 0

answersQuestion

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...

3 years ago | 1 answer | 0

### 1

answerQuestion

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...

3 years ago | 0 answers | 2

### 0

answersQuestion

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...

3 years ago | 2 answers | 0