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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...

mer än 9 år 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...

mer än 9 år 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 ...

mer än 9 år ago

Question


Read different file in certain category
If I have some file folders, like '19800101', '1980012',... '19801201',... In each file, it have a .mat file. I want to deal wit...

mer än 9 år ago | 1 answer | 0

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

mer än 9 år ago

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Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

mer än 9 år ago

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

mer än 9 år ago

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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...

mer än 9 år ago

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

mer än 9 år ago

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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

mer än 9 år ago

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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.

mer än 9 år ago

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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.

mer än 9 år ago

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

mer än 9 år 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...

mer än 9 år 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...

mer än 9 år ago

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Is my wife right?
Regardless of input, output the string 'yes'.

mer än 9 år 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.

mer än 9 år ago

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Add two numbers
Given a and b, return the sum a+b in c.

mer än 9 år 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 ...

mer än 9 år ago

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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...

mer än 9 år ago

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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:...

mer än 9 år ago

Question


reduce running time of for loop
Assume I have a code as below, how do we rewrite, so we can great reduce running time? for i = 1: 500 % something to d...

mer än 9 år ago | 2 answers | 0

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answers

Question


Add comments in a standard way
If we want to add commments about a line of code, in a standard/professional way, we add the comments above the code, or below t...

mer än 9 år ago | 1 answer | 0

1

answer

Question


When Matlab read file, file name is case insenstive?
If I save a file a abc.csv. It looks like when I read this file, I can use both abc.CSV or AbC.csv? If yes, can you give a refe...

mer än 9 år ago | 1 answer | 1

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answer

Question


Improve computing time from Matlab code to other programming language code
I have some Matlab code to compute data in Excel. It took about one hour to compute the date of some period. 1. Any suggestion...

mer än 9 år ago | 2 answers | 0

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answers