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Constructing column arrays
* Construct a column array elevatorStops with values 2, 4, 5, 9, and 10

meer dan 4 jaar ago

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What is the next step in Conway's Life?
Given a matrix A that represents the state of <http://en.wikipedia.org/wiki/Conway's_Game_of_Life Conway's game of Life> at one ...

meer dan 4 jaar ago

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Try 1.5.4: Celsius to Fahrenheit
Write a program to convert an input given in Celsius to Fahrenheit. Examples: Input celsiusValue = 100 Output fahrValu...

meer dan 4 jaar ago

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Adding an element: Ticker tape
* Add stockPrice to the beginning of row array tickerTape

meer dan 4 jaar ago

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Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples : n=2, A=[1 2 3] -> [1 1 2 2 3 3] n=0...

meer dan 4 jaar ago

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Column arrays: Transpose a row array
* Construct a row array countValues with elements 1 to endValue, using the colon operator. * Transpose countValues to result in...

meer dan 4 jaar ago

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Filter AC, pass DC
Input x is the sampled signal vector, may have both AC and DC components. Output vector y should not contain any AC component. ...

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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Integer indexing array: Reverse subsets
Construct an indexing array copySubset so that the statement reversedOrder = origOrder(copySubset); results in a row array begin...

meer dan 4 jaar ago

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Array resizing: Removing elements
* Remove elements 2, 4, and 6 from row array pendingTasks

meer dan 4 jaar ago

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Variable sized row arrays
* Reverse the contents of row array mileMarkers

meer dan 4 jaar ago

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Back to basics 15 - classes
Covering some basic topics I haven't seen elsewhere on Cody. Return the class of the input variable.

meer dan 4 jaar ago

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Logic array: Identifying qualifying times
Create a logic array qualifyingIndex with true for any location where the runner is male with a running time less than 8.2. Row ...

meer dan 4 jaar ago

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Linear-spaced points array
* Construct a row array plotPoints with 5 values that are spaced linearly from lowValue to highValue. Ex: If lowValue is 1 and ...

meer dan 4 jaar ago

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give nth decimal place of pi
max 15th place after the decimal point is ok for now

meer dan 4 jaar ago

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Tic Tac Toe FTW
Given a tic tac toe board: * 1 represents X * 0 represents empty. * -1 represents O It is X's move. If there is an imme...

meer dan 4 jaar ago

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Indexing the array: Moving values
Assume sampleReadings always contains three elements. * Shift the array contents one position to the left. * The rightmost ...

meer dan 4 jaar ago

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Concatenating arrays
* Assign studentIDs with concatenated row arrays groupA and groupB

meer dan 4 jaar ago

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Element-wise division
* Assign row array weightKilo with the corresponding weight in kilograms. Use the following conversion: kg = lb / 2.2

meer dan 4 jaar ago

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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

meer dan 4 jaar ago

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Number of 1s in the Binary Representation of a Number
*Description* Return the number of 1s in the (unsigned integer) binary representation of a number. This function should be ab...

meer dan 4 jaar ago

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Tree Height
Assign treeHeight with the tree height given the shadow length and angle of elevation. Simple geometry can compute the heigh...

meer dan 4 jaar ago

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Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

meer dan 4 jaar ago

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Relational operators and row arrays: Overweight baggage
Create a logical indexing array overweightBaggage with true in each location where the corresponding baggageWeight is greater th...

meer dan 4 jaar ago

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Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

meer dan 4 jaar ago

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Back to basics 7 - Equal NaNs
Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...

meer dan 4 jaar ago

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2 b | ~ 2 b
Given a string input, output true if there are 2 b's in it, false if otherwise Examples: 'Macbeth' -> false 'Publius Cor...

meer dan 4 jaar ago

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Find the largest value in the 3D matrix
Given a 3D matrix, A, find the largest value. E.g. >> A = 1:9; >> A=reshape(A,[3 1 3]); >> islargest(A) ans = 9

meer dan 4 jaar ago

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

meer dan 4 jaar ago

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Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

meer dan 4 jaar ago

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