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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
6 years ago
Question
Search matrix for array of values and place results into another
I am attempting to search mat A for values B. Then take the indices where B is located in A and access the corresponding indices...
6 years ago | 2 answers | 0
2
answersSolved
Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...
6 years ago
Solved
Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.
6 years ago
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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
6 years ago
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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...
7 years ago
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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...
7 years ago
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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...
7 years ago
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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]; and ...
7 years ago
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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
7 years ago
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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
7 years ago
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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
7 years ago
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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
7 years ago
Solved
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:...
7 years ago
Solved
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...
7 years ago
Question
mat ops to locate values and place into new matrix
column width should be length of longest row of 9s. I can do this by loops and placing the values into a preallocated zeroes ...
7 years ago | 1 answer | 0
1
answerQuestion
print numeric array as list with commas
I cant figure out how to print a = 1:10 as 1,2,3,4,5,6,7,8,9,10
7 years ago | 2 answers | 1
2
answersQuestion
Print message about which loop has been entered, after finishing for loop
I have 4 if statements in a for loop. I need to know which if statement was entered. Can be just one or all 4. after the for loo...
7 years ago | 1 answer | 0
1
answerQuestion
Reshape cell array into a matrix
I am struggling to reshape this cell array into a matrix of # cell arrays by max length of cell array. This ex 4x7 matrix. The r...
7 years ago | 1 answer | 0
1
answerQuestion
search through an array for patterns and put into cell arrays.
Looking to search through a large array of integers and find patterns of up to 1-10 ( can be 1 or 1 2 3 or 1 2 3 4 5 6 .. 10, et...
7 years ago | 1 answer | 0
1
answerQuestion
Search for a number pattern in an array
Without using strfind is there a way to search for a pattern of less than 4 ones in a row? and if there are can i set them all t...
7 years ago | 2 answers | 0
2
answersQuestion
Search array for largest value of the desired format
I have an array, data, I need to search through it to find 1000 , 2000 , 3000 , ... n As many as exist in the array. 1000 wil...
7 years ago | 1 answer | 0
1
answerQuestion
how to reduce time grabbing values from indices of cell arrays?
I currently do the operation below and wanted to try to do this without a loop since n is very large. value = 1:5; re...
7 years ago | 1 answer | 0
1
answerQuestion
Fastest way to access another matrix for all nonzero rows
Hi I am new to MATLAB and I have been looking on here for 20 minutes. I am able to do this with multiple lines of code using ...
7 years ago | 1 answer | 0
1
answerQuestion
Split array into cell arrays of different size
I have an array that I am trying to divide into different lengths arrays. The array is 750000 values or so long so I needed an e...
7 years ago | 1 answer | 0