Beantwortet
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...

mehr als 9 Jahre vor | 0

Gesendet

Arc-length method
Finds the roots of a function using the arc-length method

mehr als 9 Jahre vor | 4470 Downloads |

4.7 / 5

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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...

fast 10 Jahre vor | 0

Beantwortet
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...

fast 10 Jahre vor | 0

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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...

fast 10 Jahre vor

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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)...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

fast 10 Jahre vor

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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 ...

fast 10 Jahre vor

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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 ...

fast 10 Jahre vor

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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.

fast 10 Jahre vor

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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)

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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 ...

etwa 10 Jahre vor

Gelöst

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:...

etwa 10 Jahre vor

Gelöst

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...

etwa 10 Jahre vor

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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...

etwa 10 Jahre vor

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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...

etwa 10 Jahre vor

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Sum positive elements of matrix.
Calculate sum of positive elements of the matrix.

etwa 10 Jahre vor

Gelöst

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 ...

etwa 10 Jahre vor

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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...

etwa 10 Jahre vor

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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...

etwa 10 Jahre vor

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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 ...

etwa 10 Jahre vor

Gelöst

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

etwa 10 Jahre vor

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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 ...

etwa 10 Jahre vor

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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...

etwa 10 Jahre vor

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Magnitude of a vector
Given a vector x, what is its magnitude?

etwa 10 Jahre vor

Gelöst

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) ...

etwa 10 Jahre vor

Gelöst

Sum of cubes
Write a program to determine sum of cubes of first n odd numbers.

etwa 10 Jahre vor

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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...

etwa 10 Jahre vor