解決済み

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

9年以上前

解決済み

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

9年以上前

解決済み

Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

9年以上前

解決済み

Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

9年以上前

解決済み

Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

9年以上前

解決済み

Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

9年以上前

解決済み

Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

9年以上前

解決済み

How to permute given 3d matrix?
A(:,:,1)=[1 3] A(:,:,2)=[2 2] A(:,:,3)=[4 3] Change rows to columns and columns to rows, similar to transpose. Resul...

9年以上前

解決済み

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年以上前

解決済み

Calculate this one!
Using matlab calculate y y=(e^2)+100/20+sin(pi)*x Use x as a input.

9年以上前

解決済み

Calculate gradient
x=1:0.1:5; y=@(x)x^2; calculate gradient (dy/dx) using numerical method. This means dydx(i)=(y(i+1)-y(i))/(x(i+1)-x...

9年以上前

解決済み

Half wave rectifier
Create a function that emulates a half wave rectifier. Use a sine wave

9年以上前

解決済み

Get 1-4-3-4-4
Get the value of the indices in the title and assign it to an array

9年以上前

解決済み

Full Wave rectifier
Create a function that emulates a full wave rectifier. Use a sine wave

9年以上前

解決済み

Determine point is located in a circle or not
Using input [x] and [y], determine the points (x,y) is located inside of circle (x^2+y^2=1) if point is located in circle,...

9年以上前

解決済み

Calculate numerical integration.
x=0:0.01:1 y=@(x)x.^2 Using given two inputs(x and y), conduct numerical integration in x. (hint: trapz)

9年以上前

解決済み

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年以上前

解決済み

Calculate representive values (max. min. std)
A B C -------------------------- t=1 2.2 2.6 2.4 t=2 2.4 2.8 2.2 t=3 2.6 2.7 2....

9年以上前

解決済み

Extract area
There are observed data c and its location (x,y) x=1:0.1:10 y=1:0.1:10 % x and y are used as inputs [X,Y]=mesh...

9年以上前

解決済み

Can we make a triangle?
Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

9年以上前

解決済み

Calculate 3D Distance
Given 2 vectors (1st is initial position, 2nd is the destination) calculate the distance in 3D Example in1 = [0 0 0] in2...

9年以上前

解決済み

Refresh your system of equations
Given square matrix, and solution vector, find the values of the variables Example: xyz = [1 -1 2; 0 2 5; 4 0 -3]; //x-y+2...

9年以上前

解決済み

Calculate circle's property
[A R]=function(r) r is radius, A is area of circles, R is circumference. A=pi*r^2 R=2*pi*r

9年以上前

解決済み

Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

9年以上前

解決済み

Calculate inverse matrix in square matrix
A=eye(3) Calculate inverse matrix of given input. B=function(A) ans = 1 0 0 0 1 0 ...

9年以上前

解決済み

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年以上前

解決済み

Vectors multiplication.
Multiply two vectors x transposed and y.Example x = [1 2 3 4 5 6 7 8 9 10 ] y = [ 1 2 ...

9年以上前

解決済み

Pointwise multiplication of vectors.
Pointwise multiplication of vectors x and y. Example x= [1 3 5 7 9 11 13 15 17 19] y=[ 1 4...

9年以上前

解決済み

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

9年以上前

解決済み

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

9年以上前