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VANDANA GUPTA


Active since 2019

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how three vectors store in 3d array of zeros of same size with each vector's size
v1=[1 2]; >> v2=[1 2 3]; >> v3=[1 2 3 4]; >> m=zeros(2,3,4); how v1,v2 and v3 are stored in 'm' array. thanks in advance fo...

4 years ago | 1 answer | 0

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Question


how to convert 3d array into 3 column vectors
i have data (vand_sph61-11.mat) which is in 3d-array of size 1801x59x109. i want to split it into 3 column vectors as 1801x1, 59...

4 years ago | 0 answers | 0

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Question


problem in 3d figure plotting
I have three matrix X,Y and Z saved in 'xfig.mat' , 'yfig.mat' and 'zfig.mat' respectively. I provided these data here. I want t...

4 years ago | 1 answer | 0

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Question


how to convert a 3-d binary array of spherical cordinates into floating type array of cartesian cordinates
I have matlab data ("vand_sph61-11.mat") which i linked here. this data has spherical cordinates in binary form and has 3-d arra...

4 years ago | 1 answer | 0

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Question


How to smooth a surface of 3-d geometry
I have three column vectors Xm, Ym and Zm. I plotted these vectors as below code: k = boundary(Xm,Ym,Zm,1); trisurf(k, Xm,Ym,Z...

4 years ago | 1 answer | 0

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Question


Can anyone help me to understand the logic of below code
Xb=Xm; Yb=Ym; Zb=Zm; % Boundary Points Xf=[];Yf=[];Zf=[]; for z=min(Zb):1:max(Zb)+0.5 x1=Xb(abs(Zb-z)<0.01);y1=Yb(abs(Z...

5 years ago | 1 answer | 0

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Question


how to plot a 3d evenly spaced grid
code is: clc clear variables close all theta=-pi/6:pi/180:pi/6; phi=-pi/6:pi/180:pi/6; [theta,phi]=meshgrid(theta,phi); f...

5 years ago | 0 answers | 0

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how to make a uniform spacing grid for non-uniform spacing grid in 3-d
i made a field of transmitter and receiver array in 3d which has non-uniform spacing in grid. i want to make a uniform spacing g...

5 years ago | 0 answers | 0

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Question


how to remove some portion of boundary of an object without affecting remaining portion in matlab by programming
i have one query. i made a 2-d figure 'c.png' in matlab by using r and theta and with the help of boundary function..now i want...

5 years ago | 1 answer | 0

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Answered
how to join these random points in a desired rectangle shape automatically by programming..
sir, i have an one more query. i made a 2-d figure 'c.png' in matlab by using r and theta and with the help of boundary function...

5 years ago | 0

Question


how to join these random points in a desired rectangle shape automatically by programming..
i am able to join these points in rectangle by manually arrange in order..but i want to arrange automatically in programming by ...

5 years ago | 2 answers | 0

2

answers

Question


how to separate points into two vectors from structure
Target Position Index 1x1 Line [76,76] 76 1x1 Line [71,71] 71 1x1 Line [67,67] 67 1x1 Line [63...

5 years ago | 1 answer | 0

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Question


Is it possible to generate a shape from non-order vectors/matrix in 2-d/3-d
Firstly, i want to know that a distorted object in 2-d or 3-d having the ordered vectors or non-ordered vectors. I want to gener...

5 years ago | 0 answers | 0

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how interpolate 3d points
i want to interpolate a cubic shape points a=[18 30 30 18 18 18; 30 30 18 18 30 30; 30 30 18 18 30 30; 18 30 30 18 18 18]; b=[...

5 years ago | 1 answer | 0

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Question


how to store all values of a matrix variable during the loop
theta=-pi/6:pi/180:pi/6; phi=-pi/6:pi/180:pi/6; [theta,phi]=meshgrid(theta,phi); for rho=5:.025:50 [x,y,z]=sph2cart(the...

5 years ago | 1 answer | 0

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Question


how to map an point of a grid onto the nearest point of that point on another grid
theta=-pi/6:pi/180:pi/6; phi=-pi/6:pi/180:pi/6; [theta,phi]=meshgrid(theta,phi); for rho=5:.025:50 [x,y,z]=sph2cart(the...

5 years ago | 1 answer | 0

1

answer