Roll the Dice!
*Description*
Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice.
*Example*
[x1,x2] =...
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해결됨
Beginner's Problem - Squaring
Try out this test problem first.
Given the variable x as your input, square it by two and put the result in y.
Examples:
...
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"mirror" matrix
Create n x 2n "mirror" matrix of this type:
Examples
For n = 2
m = [ 1 2 2 1
1 2 2 1 ]
For n = 3
m = ...
Power supply: 230V to 115V
The problem is simple: we have a wall outlet which supplies 230V and an apparatus that requires 115V.
Software is always chea...
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Return 'on' or 'off'
When the input is true, return 'on', otherwise, return 'off'.
Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...
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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B.
So if
A = [1 2 3;
4 5 6];
...
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...
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Matrix to column conversion
Given a matrix of any size, convert it into a column vector.
e.g A=[10 20 30;
40 50 60]
then,
B = [10;
40;
...
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Multiply a column by a row
* Given a column vector C and and a row vector R.
* Output a matrix M.
* Every column of M equals to C multiplied by correspon...
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Create a Matrix of Zeros
Given an input x, create a square matrix y of zeros with x rows and x columns.
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Square a Number
Given an input x, return y, which is equal to the square of x.
Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so:
x = [1 2 3 4]
Commas are optional, s...
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Times 2 - START HERE
Try out this test problem first.
Given the variable x as your input, multiply it by two and put the result in y.
Examples:...