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Feeds
A résolu
Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'
environ un an il y a
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String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...
environ un an il y a
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Split a string into chunks of specified length
Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...
environ un an il y a
Help with GUI push buttons and multiple axes
Read up on callbacks <http://www.mathworks.com/help/matlab/interactive-control-and-callbacks.html Matlab Help> Concept: ...
plus de 9 ans il y a | 0
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Transpose
Write a MATLAB script in order to convert a random length row vector (v) into a column vector.
presque 11 ans il y a
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First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];
presque 11 ans il y a
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Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.
presque 11 ans il y a
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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.
presque 11 ans il y a
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Find last zero for each column
Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...
presque 11 ans il y a
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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.
presque 11 ans il y a
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Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.
presque 11 ans il y a
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Average of square wave
given positive and negative peak , calculate dc level, 50% duty cycle
presque 11 ans il y a
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Volume and area of a sphere
Input(r) - radius Output([v,s]) - volume and area
presque 11 ans il y a
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Back to basics 4 - Search Path
Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the user's portion of the current search...
presque 11 ans il y a
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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.
presque 11 ans il y a
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calculate RMS voltage
given peak to peak voltage, calculate rms voltage
presque 11 ans il y a
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Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.
presque 11 ans il y a
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Who invented zero?
We know the importance zero in computer science, mathematics... but who invented zero? Clue: He was the first in the line ...
presque 11 ans il y a
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Find Index of maximum Value and maximum Value of a vector
Find the Index of the first occurrence of the maximum value in a vector and also the maximum value in the vector. Example: [...
presque 11 ans il y a
A résolu
Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...
presque 11 ans il y a
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Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...
presque 11 ans il y a
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Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...
presque 11 ans il y a
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Sorting
Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...
presque 11 ans il y a
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Back to basics 17 - white space
Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable
presque 11 ans il y a
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Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product
presque 11 ans il y a
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Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...
presque 11 ans il y a
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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.
presque 11 ans il y a
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Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...
presque 11 ans il y a