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

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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 ...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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'.

fast 10 Jahre vor

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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.

fast 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...

fast 10 Jahre vor

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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 ...

fast 10 Jahre vor

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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 ...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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check string
display any string

fast 10 Jahre vor

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

fast 10 Jahre vor

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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....

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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)

fast 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...

fast 10 Jahre vor

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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'...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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

fast 10 Jahre vor

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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.

fast 10 Jahre vor

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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,...

fast 10 Jahre vor

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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 ...

fast 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...

fast 10 Jahre vor

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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 ...

fast 10 Jahre vor

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

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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

fast 10 Jahre vor