Resuelto

Stress-Strain Properties - 5
Similar to the previous problem, materials may be characterized by their stiffness-to-weight ratio, which is the elastic modulus...

alrededor de 8 años hace

Resuelto

Linear Least Squares (L2 fitting problem )
Given a set of real measurements (x(i), y(i)) find a line sol(1)x + sol(2) (more specifically furnish the vector with...

alrededor de 8 años hace

Resuelto

Calculate the eigenvalues of A.
Calculate the sum of the eigenvalues of A. If it's odd return cubed else return 54.

alrededor de 8 años hace

Resuelto

Interpolate scattered data.
Most data was scattered, and there is no gird. There are three data [c] in three different area [x,y]. x=[1 3 4]; y=[1 ...

alrededor de 8 años hace

Resuelto

Tridiagonal
Return an n-by-n matrix that has a, b, c as the subdiagonal, main diagonal, and superdiagonal entries in the matrix. Example ...

alrededor de 8 años hace

Resuelto

Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...

alrededor de 8 años hace

Resuelto

Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

alrededor de 8 años hace

Resuelto

Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

alrededor de 8 años hace

Resuelto

'Determine if array of numbers is odd'
Return true if the input single number is odd. If the input is a vector, it will return a vector or array of logical values indi...

alrededor de 8 años hace

Respondida
How to plot log
change plot for semilogy

alrededor de 8 años hace | 0

Resuelto

Homemade: Control Charts
This problem is a simple version of control charts in statistics. Intput consists from 30 or more observations. * Upper limi...

alrededor de 8 años hace

Resuelto

Solve expression III
Solve expression for given vector x. Expression = (tan(2*x^2+7*x-30.25)+log(x^3-2.25))/(nthroot(sin(x^3)^2+1/5*log(x^4-2.5),3))...

alrededor de 8 años hace

Resuelto

Solve expression II
Solve given expression. alpha=0.1(-x-y-50)/(exp((-x-y-50)/10)-1) beta=5exp((-x+y-60)/20) result=alpha+beta;

alrededor de 8 años hace

Resuelto

Set x value to each even index of vector y.
Set x value to each even index of vector y.

alrededor de 8 años hace

Resuelto

Zero Cross
Write a function that counts the number of times n a signal x crosses zero or changes sign. Examples x = [1 2 -3 -4 5 6 ...

alrededor de 8 años hace

Resuelto

Stress-Strain Properties - 1
This is the first in a series of problems regarding mechanics of materials, in particular, material properties drawn from stress...

alrededor de 8 años hace

Resuelto

Encode Me From The Past
Given this input x = 2, 5, 1, 2, 4, 1, 1, 3 output should be (Five 2's, Two 1's, One 4, Three 1's) [2 2 2 2 2 1 1 4 1...

alrededor de 8 años hace

Resuelto

Find product of eigenvalues of n*n magic matrix.
Find product of eigenvalues of n*n magic matrix. Example n=3 Matrix= [ 8 1 6; 3 5 7; 4 ...

alrededor de 8 años hace

Resuelto

Logarithm with base other than 'e'
The standard log() function in Matlab returns the natural logarithm (base equal to Euler's constant). Compute the logarithm for ...

alrededor de 8 años hace

Resuelto

Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

alrededor de 8 años hace

Resuelto

The great 82-year-old
Let's answer the question below; 'I am *x* years old and I have never written programs. If I study from now, will I be able ...

alrededor de 8 años hace

Resuelto

Create Vector containing following elements
Create Vector containing following elements A=[pi eps NaN inf -inf flintmax];

alrededor de 8 años hace

Resuelto

Determine the Anti-diagonal of a Magic Square
Determine the anti-diagonal (crossing from top right to lower left) of a magic square of size n. Examples If n = 3 y =...

alrededor de 8 años hace

Resuelto

Rotate array 90 degrees
Rotate the given matrix by 90 degrees. Example, A = [1 2 3 ; 4 5 6 ] B = rotated(A) = [ 3 6; 2 5; 1 4 ]

alrededor de 8 años hace

Resuelto

Small Riddle
Mr. Smith has two children. If the older child is a boy, what are the odds that the other child is also a boy?

alrededor de 8 años hace

Resuelto

Delete 2nd and 5th column of Given 6*6 matrix
Delete the 2nd and 5th columns of the given 6*6 matrix. Example Suppose A = magic(6) 35 1 6 26 19 ...

alrededor de 8 años hace

Resuelto

Make a Plot with Functions
Make a plot and test

alrededor de 8 años hace

Resuelto

Rotate a matrix for 180 degree
Rotate a matrix for 180 degree for eg: x=[1 2 3 4] y=[4 3 2 1]

alrededor de 8 años hace

Resuelto

Calculate the volume of the cube.
Example n = 3; a=volume(n); a = 27

alrededor de 8 años hace

Resuelto

The proportion of NaN in the data
If NaN occupies less than half of the input data, return 1, otherwise return 0. eg. input x = [1 2 NaN ; 4 NaN 6] >>> out...

alrededor de 8 años hace