Answered
How to generate multiple .stl files in a loop?
You are overwriitng the stl files. Always you are using the same name to .stl file. You need to give different filename; check t...

5 years ago | 0

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Answered
How can I sort data from an excel file and assign ID's to binary classes?
You need not to use a loop. You can go by inequalities, where you will get logical indices as output. The logical indices have 1...

5 years ago | 0

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How do I fit a surface to this data properly?
Read this: https://in.mathworks.com/help/curvefit/fit.html

5 years ago | 0

Answered
Cannot use "v>=0"?
while rem(v,2)~=0 | v>=0

5 years ago | 0

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Answered
How to merge two tables, keeping independent variable (x) the same but summing the dependent variable (y)
T1 = readtable('Confoss_landings.xls') ; T2 = readtable('Mainefoss_landings.xls') ; [idx,ia] = ismember(T2.(1),T1.(1)) ; ...

5 years ago | 0

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Answered
How to generate a rhythm in Matlab?
n = 2 ; % number of 0's l = 4 ; % length of array m = l-n ; % number of 1's iwant = [repelem(0,n) repelem(1,m)] ; % ra...

5 years ago | 1

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Answered
Make 3d sphere plot from net of sphere
clc; clear all ; I = imread('cameraman.tif') ; [m,n] = size(I) ; [X,Y,Z] = sphere(m-1,n-1) ; surf(X,Y,Z,flipud(I),'...

5 years ago | 0

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Answered
how to draw a number of circle inside large circle having same origin but different radius
r = linspace(0,1,10)' ; % Radii th = linspace(0,2*pi) ; C = [0 0] ; % Center x = cos(th) ; y = sin(th) ; X = C(1)...

5 years ago | 2

Answered
How to create a new matrix with a for loop?
You should not create individual arrays like that. You should proceed something like this iwant = zeros(3,100) ; iwant(i,:) =...

5 years ago | 0

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Answered
find a value between two points
Read about interp1. If you have curve data as (x,y), at the point xi you can seek the value using: yi = interp1(x,y,xi)

5 years ago | 0

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Projecting a point along normal direction
You may use this file exchange function: https://in.mathworks.com/matlabcentral/fileexchange/32696-2d-line-curvature-and-normals...

5 years ago | 0

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Answered
Correctly plot the quiver on a figure
Try changing (x,y) i.e. use (y,x) instead.

5 years ago | 0

Answered
Sort a Matrix by the first column connecting the row elements so that the elements of the second column 'follow' those of the first.
A = rand(10,2) ; [val,idx] = sort(A(:,1)) ; iwant = A(idx,:)

5 years ago | 0

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Answered
If same value apperas in array count +1
input = [ 1 2 3 4 1 2 3 4 1 2 3 4 ]; a = reshape(input,[],3)' ; [c,ia,ib] = unique(a,'rows') ; ib

5 years ago | 1

Answered
sum different cell arrays based on index
A = { [0,1,0], [1,0,0], [0,0,0], [0,0,0], [0,0,1], [1,1,0], [0,0,0]} ; id = { [1,2,3], [4,5,6] } ; n = length(id) ; iwant...

5 years ago | 0

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Answered
Embed vector field in bigger array
Read about padarray. Other option: A = rand(4) ; B = zeros(10) ; B(3:6,3:6) = A

5 years ago | 0

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Answered
How to find function for many parameters?
vals = [1, 2,3 6,1,4 7,3,5] ; [m,n] =size(vals) ; B = zeros(4,4,m) ; for i = 1:m B(:,:,i)=fun(A,vals(i,1),vals(i,2...

5 years ago | 1

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Answered
How to Copy Upper diagonal elements of matrix A into a new matrix.
You need to proceed like this: for i = 1:m for j = 1:n if i <= j end end end

5 years ago | 0

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How to set level values of a variable by comparing(subtracing) two nc files
Your interpolation grid coordinates are completely different comapred to original grid. Read about interp2. ncfile_1 = 'A20150...

5 years ago | 0

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Answered
How to match the origins of two different length vectors and pad zeros to match their length?
You must be having (t1,x1) and (t2,x2) ; these are two singlas. You can pick the superset time out of (t1,t2). For the other f...

5 years ago | 0

Answered
Error using axis>LocSetLimits (line 325) Vector must have 4, 6, or 8 elements. Error in axis (line 113) LocSetLimits(ax(j),cur_arg,names);
Read about axis. As yours is a 2D plot you need to input four values, which correspond to minx, maxx and miny, maxy. axis([0 b...

5 years ago | 0

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Solved

The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

5 years ago

Answered
I want this two stl files to overlap each other
Do both the stl files have same number of nodal connectivities and nodes? If so you can subtract them. If not you can make your ...

5 years ago | 0

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Answered
How select data just out from a polygon, considering a constraint
Read about knnsearch. This will give you indices of points lying closer to the given set of points from a set of points along wi...

5 years ago | 0

Answered
How to display image from 2d matrix?
Let A be your matrix. figure imshow(A) figure imagesc(A) figure pcolor(A) ; shading interp; colorbar

5 years ago | 0

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Answered
Create a surface from several 1D plots
See to it that all the curves have same dimensions. If not use interp1 and get them into same size. Initliaze matrices X, Y, Z...

5 years ago | 0

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Divided a matrix into sub-matrices (MATLAB)
H=zeros(m,n) ; J = 3 ; K = 6 ; H(:,J) = 1 ; H(K,:) = 1 ;

5 years ago | 0

Answered
Turning a column to months into number equivalent
Read about findgroups. https://in.mathworks.com/help/matlab/ref/findgroups.html a = {'Apr', 'Jan','Feb', 'Apr', 'Jan'} ; iwant...

5 years ago | 1

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Answered
Reducing the size of images by a loop
imgNames = dir('*.png') ; % give your exntenion of images in the folder N = length(imgNames) ; % toal number of images ...

5 years ago | 0

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Answered
Find a range in a matrix and rescale it
Let A be your image: A0 = A ; % save for test idx = A >= 120 & A<= 230 ; % get indices of required values val = A(idx) ;...

5 years ago | 1

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