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Find out missing number from a vector of 9 elements
You are given a vector of size 9, x = [x1 x2 x3 x4 x5 x6 x7 x8 x9] Elements of x may be randomly selected without repeati...

9 years ago

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"mirror" matrix
Create n x 2n "mirror" matrix of this type: e.g. for n = 2 m = [1 2 2 1;1 2 2 1] e.g. for n = 3 m = [1 2 3 3 2 1...

9 years ago

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Sum of the Multiplication of Vectors
Given the vectors x and y as input, multiply the vectors and return the summation of its elements. Example: x = [1 2 ...

9 years ago

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Find the Nth Root of a Given Number
Find the Nth root of a given number x. Examples x = 4096 n = 4 y = 8 x = 625 n = 5 y = 3.6239

9 years ago

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Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

9 years ago

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Function definition: Volume of a pyramid
Define a function CalculatePyramidVolume with inputs baseLength, baseWidth, and pyramidHeight. The function returns pyramidVolum...

9 years ago

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Vectorize the digits of an Integer
Create a vector of length N for an integer of N digits. x=123045; x_vec=[1 2 3 0 4 5]; I happened upon a trick to do ...

9 years ago

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Counting down
Create a vector that counts from 450 to 200 in increments of 10.

9 years ago

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Calculate square and cube of number
Calculate square and cube of number x

9 years ago

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Is My Wife Wrong?
Answer the question. (see also <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right Problem 149: Is my ...

9 years ago

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Flipping
Write code that can reverse the vector without using any sort of loop. Example Given the input vector A = [ 1 2 3 4 5...

9 years ago

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Number of pennies
Complete the function ConvertToPennies() so that the function returns the total number of pennies given a number of dollars and ...

9 years ago

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Comments
* Fix the syntax errors.

9 years 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...

9 years ago

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Count photos
Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total nu...

9 years ago

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

9 years ago

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Indexing the last element: Print queue
* Delete the last element of row array printQueue.

9 years ago

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Min of a Matrix
Return the minimum value in the given matrix.

9 years ago

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Double colon operator: Counting down
* Construct a row array countValues from startValue to endValue, elements decremented by -2 Ex: If startValue is 10 and end...

9 years ago

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Matlab Basics - Switching Assignments
Switch assignments for variables x and y, for example start with x = 1 and y = 3 end with y = 1 and x = 3 Do NOT simply r...

9 years ago

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Replace every 3rd element in a vector with 4
x is a vector of undetermined length You are to replace every 3rd element with the number 4, example: x = [11 23 34 43 2 3...

9 years ago

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Product of elements in row
Product of matrix such that a=[3 3 1] b=9

9 years ago

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Back to Basics - Find no. of elements in a matrix?
Let A be a m*n matrix. Find the total no. of elements in A ? (Hint - formula based) A = [1 2 3;4 5 6]; output = 6

9 years ago

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Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.

9 years ago

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Back to basics - mean of corner elements of a matrix
Calculate the mean of corner elements of a matrix. e.g. a=[1 2 3; 4 5 6; 7 8 9;] Mean = (1+3+7+9)/4 = 5

9 years ago

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Create a vector
Create a vector from 0 to n by intervals of 2.

9 years ago

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square root
Find the square root (y) of an input (x).

9 years ago

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Building matrices
If you have matrix A, create matrix B using matrix A as an "element" A = [1 2 3 4; 5 6 7 8...

9 years ago

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Output any real number that is neither positive nor negative
Output any real number that is neither positive nor negative

9 years ago

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Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...

9 years ago