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Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

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QWERTY coordinates
Given a lowercase letter or a digit as input, return the row where that letter appears on a <http://en.wikipedia.org/wiki/Keyboa...

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

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Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

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Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

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Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

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Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

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Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

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Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

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Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

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Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

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radius of a spherical planet
you just measured its surface area, that is the input.

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Respondida
Changing the bits randomly
or less brute force without a for loop: nInput = 1056; nShift = bin2dec('11111'); nOffset = nInput - nShift; ...

más de 13 años hace | 0

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Changing the bits randomly
Try this, it is a somewhat brute force approach to solving your problem. The value 'nMatch' should give you the desired answer: ...

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Undefined function 'eval' for input arguments of type 'double'.
You are getting that error because you are trying to evaluate a double. A double is just a double - there is nothing there to ev...

más de 13 años hace | 0

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How to write multiple if statements
You have too many 'end' statements within your code. An if-else statement should be formatted like this: if a == 1 % ...

más de 13 años hace | 4

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what should i do for error 'Undefined function or method 'state' for input arguments of type 'char' when using 'SS' command?
The state-space input matrices to the 'ss' command should all be numeric and have the following size relationships: A: p x ...

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count the duration for which variable value is zero in simulink
I'd take the input and convert it into a logical signal (1's and 0's), inverse this signal using a NOT block. Convert this back ...

más de 13 años hace | 1

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Extract numbers from mixed string
In order to extract a certain value: Str = ['Test setup: MaxDistance = 60 m, Rate = 1.000, ', ... 'Permitted Erro...

más de 13 años hace | 0

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Up and down counter
I would suggest using either an integrator block with external initial conditions and a switched input, or design a Stateflow bl...

más de 13 años hace | 0

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Control a Simulink module by an M-file
You are all making this more complicated than it actually is. Use the 'Step' block. Set the initial value to '100', set the fina...

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How to create a loop calcualtion?
Here is an example of a quick loop that calculates a value based on the previous value. The loop simply calculates the value as ...

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Finding specific phrases within a cell array (1)
See 'strtok' as one possible solutions. For example: celltxt{1} = 'EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.'; [tok, ...

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Error displayed : Undefined function or variable 'Tg'
Even if it is a global variable you still need to add it to your Embedded Function. Open your Embedded Function, then click ...

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Change the line color in subplot
An easier way might be to call 'hold all' after each subplot definition, and then just plot your values as normal. For example: ...

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Error compounds adding date numbers
If you are using MATLAB date numbers they are stored as double precision numbers. This means the resolution of the date numbers ...

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verification of the intepretation of a simple code that contains "isequalwithequalnans"
No, that interpretation is NOT correct. The statement says if BOTH b and c are different to a then 'Not ok'. Or in other wor...

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Creating a matrix using for loop.
Try this: a = [0.12;0.1;0.2;0.3;0.4;0.5;0.6;0.7;0.8;0.9] f = zeros(length(a)); for b=length(a):-1:1 f(:,...

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error in the output of "ss2tf"
I don't believe there is a problem. The ss2tf function only states that the numerator coefficients are returned in an array with...

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