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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

11 years ago

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

11 years ago

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

11 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 ...

11 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...

11 years ago

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

11 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.

11 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 ...

11 years 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:...

11 years 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...

11 years ago

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

11 years ago

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non-causal filter simulink
Maybe reverse the signal first, then use a filter, reverse the filtered signal and use the same filter again. Hopefully this is ...

11 years ago | 0

Answered
How do i extract this text data columns by columns ? thanks
I guess you mean something like this: fileID = fopen('data.txt'); C = textscan(fileID, '%s %s','delimiter', ' '); fclos...

11 years ago | 0

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Question

Why does fclose generates an ans return in the workspace?
Why does fclose() returns 'ans' in the workspace? If I change the line in status = flose(fid); the ans disappears and 'status' o...

11 years ago | 2 answers | 0

Answered
Simple inverse indexing question...
Somehow the response from Andrei Bobrov got lost, but he had the answer! setdiff(find(x),ind) of setdiff(1:length(x),ind)

12 years ago | 3

| accepted

Question

Simple inverse indexing question...
Suppose you have; t = 1:0.1:10; x = rand(1,100); ind = [1:10,60:61,80:100]; I want a single expression which gives ...

12 years ago | 1 answer | 0

Question

Second output argument as input argument
Is it possible to combine the two lines: [~,b] = myfunction(x); c = myfunction2(b); Something like: c = myfunction2(myf...

12 years ago | 2 answers | 0