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Get Cody's screen size
Return an object that helps this problem's test suite return Cody's screen size.

casi 10 años hace

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Distance between Berlin and New York in km
Use Pythagoras to calculate the distance between two locations in km (based on their respective longitudes and latitudes). Fo...

casi 10 años hace

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Make roundn function
Make roundn function. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) y=0.56 ...

casi 10 años hace

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Weighted moving average
x1=[1 2 1]; y1=[1 2 2 4 5 6 6 8]; Make function for weighted moving average. z(i)=(x1(i)*y1(i)+x1(i+1)*y1(i+1)+x1(i+2)*y1...

casi 10 años hace

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Replace x value into y value in string text.
Replace x value into y value in string text. Example text='Hello World' x='World', y='Universe' result='Hello Universe'.

casi 10 años hace

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Subtract integers and add doubles
Create a function that subtracts a from b if a and b are integers and adds them if they are floats.

casi 10 años hace

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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...

casi 10 años hace

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Analyze observation data
There are results of observation. A B C -------------------------- t=1 2.2 2.6 2.4 t=2 2.4 ...

casi 10 años hace

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Create square matrix from submatrices.
Create square matrix from 4 submatrices, where n-size of submatrices, x1,x2,x3,x4 given values, first submatrix has x1 value on ...

casi 10 años hace

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Solve equation numerically
y'=y In order to solve equation using computer, numerical analysis are needed. 1st order Euler's method is one of the metho...

casi 10 años hace

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check string
display any string

casi 10 años hace

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Duplicate me
Repeat elements of vector input twice Ex: input = [1 2 3] output = [1 1 2 2 3 3]

casi 10 años hace

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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....

casi 10 años hace

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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...

casi 10 años hace

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Calculate numerical integration.
x=0:0.01:1 y=x.^2 Calculate area from x=0 to x=1, and y=0 to y=x^2 using numerical integration. (hint: trapz)

casi 10 años hace

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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...

casi 10 años hace

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Find peaks
x=0:0.1:10 y=exp(-0.7*(x-2).^2)+0.5*exp(-0.7*(x-7).^2) There are two peaks.(try plot(x,y)) Make code for finding peaks'...

casi 10 años hace

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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...

casi 10 años hace

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Extract area
There are observed data c and its location (x,y) x=1:0.1:10 y=1:0.1:10 [x,y]=meshgrid(x,y) c=x.^2+y.^2 Extract data c i...

casi 10 años hace

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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...

casi 10 años hace

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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...

casi 10 años hace

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

casi 10 años hace

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Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area.

casi 10 años hace

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Change coordinate from Cartesian to spherical coordinates.
[x,y,z] -> [t,p,r] [x,y,z] is a point in the Cartesian coordinates. change its coordinate to spherical (t,p,r), t is azimuth,...

casi 10 años hace

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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 ...

casi 10 años hace

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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...

casi 10 años hace

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

casi 10 años hace

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

casi 10 años hace

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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...

casi 10 años hace

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

casi 10 años hace