Answered
Negative eigenvalues with frequency analysis related to ABAQUS
Dear Xiaohan, You can perform the eigenfrequency analysis in Abaqus as usual and then extract the analysis results using Abaq...
Negative eigenvalues with frequency analysis related to ABAQUS
Dear Xiaohan, You can perform the eigenfrequency analysis in Abaqus as usual and then extract the analysis results using Abaq...
9 years ago | 0
Submitted
Arc-length method
Finds the roots of a function using the arc-length method
9 years ago | 1 download |
Answered
How to call abaqus from matlab？
!abaqus job=job_1 without the extension (*.inp). If you want to obtain the results of this analysis back to Matlab, then you hav...
How to call abaqus from matlab？
!abaqus job=job_1 without the extension (*.inp). If you want to obtain the results of this analysis back to Matlab, then you hav...
9 years ago | 0
Answered
Abaqus and Matlab (Optimising the simulation parameters in Matlab by calling Abaqus as external subroutine)
You can use the new toolbox developed to serve as an interface between Abaqus and Matlab, which is Abaqus2Matlab. With this tool...
Abaqus and Matlab (Optimising the simulation parameters in Matlab by calling Abaqus as external subroutine)
You can use the new toolbox developed to serve as an interface between Abaqus and Matlab, which is Abaqus2Matlab. With this tool...
9 years ago | 0
Solved
make an eye matrix which element is 1:n
for a given input n, make an n by n matrix which contains elements 1:n for example input =5 output = [1 0 0 0 0;0 2 0 0 0; 0...
9 years ago
Solved
basics -making a matrix
make a matrix which contains input x as the last element. the intervals should be +1 ex) input = 5 output= [0 1 2 3 4 5] ex)...
9 years ago
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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...
9 years ago
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surrounded centroid
create a [n*n] matrix. n must be odd number. its centroid is n which is surrounded by n-1. example: surround(5)= 1 2 ...
9 years ago
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create a square matrix
create a [n*n] matrix. example: mat(4)= [ 1 4 9 16 4 4 9 16 9 9 ...
9 years ago
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Calculate the hypotenuse of a right triangle without using ^ and sqrt ()
Find out the hypotenuse of right triangle. Say a = 4, b = 3 then c = 5 Please don't use ^ and sqrt() function.
9 years ago
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Solve sin(x) without sin(x)
Calculate y = sin(x) x = 0 -> y= 0 without the use of sin(x) or cos(x)
9 years ago
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Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...
9 years ago
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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...
9 years ago
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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
9 years ago
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N-plicate me
Modified version of duplicate and triplicate me. Repeat elements of input vector with given input n Ex: input = [1 2 3 4 5...
9 years ago
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tridiagonal matrix
Given vectors u and v, make a tri-diagonal symmetric matrix such that u is in the main diagonal and v is below and above diagona...
9 years ago
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Calculate inverse matrix in m by n matrix
x=(1:10)' y=roundn(2*x+7*rand(size(x)),-1) a*x=y Estimate a using inverse matrix calculation. This is principle of li...
9 years ago
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Sum positive elements of matrix.
Calculate sum of positive elements of the matrix.
9 years ago
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Change matrix to vector
Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...
9 years ago
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Two dimensional moving average
A=[1 2 3 4 5 1 2 2 2 3 2 3 3 3 4 1 1 4 4 2] B=[1 1;1 1]; % This is can be used for weight factor of moving a...
9 years ago
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Triplicate me
Given an input vector, output a 3n vector with all elements of input vector repeated thrice Example : in->[1 2 3 5] out...
9 years ago
Solved
Implement zero-based indexing for Matrices
Given an input vector and position (which is zero based) output the value Example: x = [1 2; 4 5] pos = [0 1] value = 5 ...
9 years ago
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Implement zero based indexing (Vectors only)
Given an input vector and position (which is zero based) output the value Example: x = [1 2 4 5] pos = 2 value = 4
9 years ago
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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
9 years ago
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Frequency Analysis of Text
Frequency analysis is a common task in cryptoanalysis. It is essentially counting the occurrences of alphabets (regardless of ca...
9 years ago
Solved
Reduce the logic
We have three logical input, x,y and z. The output is: y = ((x&y)|z)&((z|x&y)|(z&y|x))|((x&z)|z)&((y|x&z)|(z&x|y))|(x|y|z) ...
9 years ago
Solved
cross in array
Make a cross from "1" in odd size array. Other value from array should be equal to "0"; As input you get length of side of arra...
9 years ago