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S Priya


Last seen: 6 meses ago Active since 2021

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How to create the random sampling matrix for a certain number of times?
I need to find random sample(consisting of 40 values) for 16 elements (each different).Using Em22(:,:,i) will help?How to do it?...

6 meses ago | 1 answer | 0

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answer

Question


Substituting a value to a syms function in a matrix?
I have a 4x4 matrix A= [E11e, 0, 0, 0] [ 0, E11e, 0, 0] [ 0, 0, E11e, 0] [ 0, 0,...

6 meses ago | 2 answers | 0

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answers

Question


How to write in MATLAB the following PDE?
where u=deformation K=stifness F=force E= Mod of elasticity for i=1:8 (del(Ki)/del(Ei)) * (ui) +(del(ui)/del(Ei)) * Ki=del(...

7 meses ago | 1 answer | 0

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Question


Monte Carlo simulation examples
is there any matlab code examples online available for monte carlo simulation?

8 meses ago | 3 answers | 0

3

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Question


Adding zeros in the empty places in a matrix.
A is a 252x1 matrix, and I have values of 1st 13th 25 th 73th 121th 109th 97th 61th row. and have to fill the ...

9 meses ago | 1 answer | 0

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Question


How to use a matrix of 12*12 to form a matrix of 96*96?
If B is a 12*12 matrix, and I want to place this B matrix as diagonal matrix of 96*96, How to form this 96*96 diagonal matrix?

11 meses ago | 2 answers | 0

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answers

Question


Extracting rows in row-wise manner. How to do this?
Suppose,a matrix A, A=[1 2 3 4; 1 0 2 8; 1 2 3 6....] Size(A)=100 4 And I want to extract each row in a row-wise manner (ie...

11 meses ago | 2 answers | 0

2

answers

Question


How to eliminate a column from a matrix?
C = C=[ 0.2474 -0.0311 0 0 0 0.5000 ] I want to eliminate the last column. How to d...

12 meses ago | 1 answer | 0

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Question


I want to co-relate the local coordinate system with global co-ordinate system of a 8-noded element. How to do it in matlab?
Displacement is given by- d(local)=L*d(global) where L is the transformation matrix. How to proceed with this in matlab?

12 meses ago | 1 answer | 0

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Question


What does C(:,:,i)=[Q11 Q12 Q14;Q12 Q22 Q24;Q14 Q24 Q44]; signify?
What does C(:,:,i)=[Q11 Q12 Q14;Q12 Q22 Q24;Q14 Q24 Q44]; signify?

12 meses ago | 1 answer | 0

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Question


I want to find out vector subtraction of co-ordinates of 2 adjacent nodes of an element. How to proceed?
Like , the element is 8-noded and I want to find out vector subtraction co-ordinates of 2 nodes(Node 1 and Node 3) ie. |X11-X...

12 meses ago | 1 answer | 0

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Question


I need to arrange the elements as shown in the figure. Can anyone suggest an algorithm for this arrangement of elements?
I am currently working in FE analysis. I need to arrange the elements as shown in the figure. Can anyone suggest an algorithm fo...

12 meses ago | 1 answer | 0

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Question


How to display the output as table shown below?
z(:,:,1) = 0.4794 0.8776 0 0.0000 1.0000 0 -0.4794 0.8776 0 z(:,:,2) = 0.4794 0.8776 ...

12 meses ago | 2 answers | 0

2

answers

Question


How to denote the node numbers , when the co-ordinates of all nodes are known?
I have the co-ordinates of all nodes of a structure nodes as x,y and z co-ordinates How do I now denote the node numbers?

12 meses ago | 2 answers | 0

2

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Question


How does reshape function work? and also how to use sum(A,dim) in the code?
1.I want to understand how reshape fuction actually works? 2. While using the sum(A,dim) what the actual meaning of dim here?Fo...

12 meses ago | 3 answers | 0

3

answers

Question


Why is this "z=x.*exp(-X.^2-Y.^2) " required?
[x,y]=meshgrid(-2:.2:2); z=x.*exp(-X.^2-Y.^2); why is z=.... required??? and also why is (-X.^2-Y.^2)??

12 meses ago | 1 answer | 0

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Question


What is the use of plot(x, y, ':') while plotting the graph?
x=0:pi/100:2*pi; y=cos(x); y2=sinx plo(x,y2, ':') why is ':' required?

12 meses ago | 1 answer | 0

1

answer

Question


Doubt regarding max(A,B).
A=[1 3 5] B=[10 6 4] Why is max(A,B) as [10 6 5]? It should be [5 10]

12 meses ago | 2 answers | 0

2

answers

Question


Index in position 2 exceeds array bounds (must not exceed 3).
Can anyone please explain me the mistake here, I am not able to understand the error. Theta_n=(theta:(phi/n):(theta+phi)); nNN...

12 meses ago | 1 answer | 0

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answer

Question


Why should we write x(i,1)=cos(theta(1,i) in this format while using the for loop?
I have a doubt regarding this way of represention. for i=1:n+1 x(i,1)=R*cos(Theta_n(1,i) Why cant we represent it as- x(i)=...

alrededor de 1 año ago | 1 answer | 0

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Question


how to find out node coordinates for a simple quad element?
I want to know how to find out the node co-ordinates for a simple shell element?

alrededor de 1 año ago | 2 answers | 0

2

answers