Gelöst

Model a mass spring system
Model an ideal mass-spring system shown below where the spring is initially stretched. <<http://blogs.mathworks.com/images/se...

fast 11 Jahre vor

Gelöst

Add damping to a mass spring system
Model an ideal mass-spring-damper system shown below where the spring is initially stretched. <<http://blogs.mathworks.com/im...

fast 11 Jahre vor

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replace empty matrices with '[]'
for example a=1;a(:,1)=[]; returns a = Empty matrix: 1-by-0 use this as the input,and the output should be '[]...

fast 11 Jahre vor

Gelöst

Is it column vector?
Is it column vector? Check vector for column vector without using iscolumn function.

fast 11 Jahre vor

Gelöst

Pancake sorting - minimum flips.
Sort a stack of pancakes by flipping them using spatula. * There are _N_ pancakes with diameters _1:N_. * Spatula can be ins...

fast 11 Jahre vor

Gelöst

Pancake sorting
Sort a stack of pancakes by flipping them using spatula. * There are _N_ pancakes with diameters _1:N_. * Spatula can be ins...

fast 11 Jahre vor

Gelöst

Arithmetic/geometric sequence, 50/50
a(1) = 0 a(2) = 1 a(2*N) = sqrt(a(2*N-1)*a(2*N+1)) a(2*N+1) = (a(2*N)+a(2*N+2))/2 given _n_ return _a(n)_

fast 11 Jahre vor

Gelöst

Pancakes for everyone!
Accordingly to the <http://nl.mathworks.com/matlabcentral/cody/problems/42460-the-cake-is-a-lie problem 42460>. All the children...

fast 11 Jahre vor

Gelöst

combine cells
A cell type variable is created. However it has other cells in itself. we want to integrate them all in a single cell. the conte...

fast 11 Jahre vor

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Repeat string n times - 3
function myOutput = rep_str_3(string1, string2, num1, num2, n) function desiredOutput = rep_str_3('string1', 'STRING2', 0...

fast 11 Jahre vor

Gelöst

1D DCT-II transform.
Implement a function that calculates 1D Discrete Cosine Transform <http://en.wikipedia.org/wiki/Discrete_cosine_transform#DCT-II...

fast 11 Jahre vor

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Repeat string n times - 2
This is the two variable version of <http://www.mathworks.com/matlabcentral/cody/problems/42482-repeat-string-n-times Repeat str...

fast 11 Jahre vor

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Repeat string n times
* You will be provided a string (s = 'string1_') * a starting point (num1 = 6) (always bigger than or equal to zero) * and n (...

fast 11 Jahre vor

Gelöst

Low level NaN
* I have a dataset. Columns represents different variables. * A variable may start with NaN or any double type number. * If i...

fast 11 Jahre vor

Gelöst

Go back n times
You will be given a column vector (such as x = [1; 2; 3; 4; 5; 6; 7; 8]). If (n=3) you will return following; [ 1 NaN NaN Na...

fast 11 Jahre vor

Gelöst

Give prime Numbers upto n
You are given a input number x; print all the prime numbers less than equal to x.

fast 11 Jahre vor

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Add a block to a model
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-block-eqn.png>> In this case, the slope of...

fast 11 Jahre vor

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Make a full wave rectifier
Produce a full wave rectifier waveform for the given sine wave source. For a sine wave input, the output of the full wave rec...

fast 11 Jahre vor

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Make a half wave rectifier
Produce a signal that outputs the given sine wave source when it is greater than zero and outputs zero when it is less than zero...

fast 11 Jahre vor

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Produce a cosine wave
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/cosine-eqn.png>>

fast 11 Jahre vor

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Produce a sine wave
Produce a sine wave with amplitude 3: <<http://blogs.mathworks.com/images/seth/cody/sine-eqn.png>>

fast 11 Jahre vor

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Add offset to a signal
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-offset-eqn.png>> You should see a downward...

fast 11 Jahre vor

Gelöst

Subtract 12 from x
given a number x, return y, which is x - 12

fast 11 Jahre vor

Gelöst

design a magic matrix without using the command magic.
Like magic(4) = 16 3 2 13;5 10 11 8;9 6 7 12;4 15 14 1

fast 11 Jahre vor

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This is a palindrome and so am I
A palindrome is a sequence of characters which reads the same backward or forward, for instance 'a man a plan a canal panama'...

fast 11 Jahre vor

Gelöst

Dealing with correlation results!
In this problem we would like to transform correlation coefficient MATRIX to a VECTOR which includes only unique elements of coe...

fast 11 Jahre vor

Gelöst

Calculate trends in time series
Create a new variable that has trends in input series. If _t+1_ is bigger than or equal to _t_, than trend in _t_ will be 1, oth...

fast 11 Jahre vor

Gelöst

Simulating the selection of a state with given probabilities
Lets say we have 3 different states [1,2,3] with the probabilities of occurrences of each state is given as [0.5 0.2 0.3]. Which...

fast 11 Jahre vor

Gelöst

Is the test point on the line segment?
Given the [x,y,z] coordinates for the three points pa, pb, and pc, return true if the test point pc is on the line segment with ...

fast 11 Jahre vor

Problem

The cake is a lie...
You're hosting a birthday party with a large number of screaming children. Fortunately, you have a gigantic sheet cake in front...

fast 11 Jahre vor | 1 | 41 Lösungsvorschläge