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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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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 ...

7 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...

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

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

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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...

7 years ago

Answered
Counting syllables in text from a txt file.
If i understand you right, try this. vowels={'A','I','O','U','E'}; hF=fopen('filename.txt'); %sum contains count of vow...

7 years ago | 0

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

Question

Error: subscript indices must either be real positive integers or logicals.
Hello, this part of function doesn't working and I don't have any idea why. hA=axes; hold on for i=1:length(Data) ...

7 years ago | 1 answer | 0

Question

Analog VBA statement "with ... end with"
I need declare a lot (real many) fields of structure with long name. How i can do it without using loop? For example: Horr...

7 years ago | 0 answers | 0

Answered
Infinite sum of a series
Try this. It seems you forgоt declare the |p|. syms z p r=2.5e-6/2; alpha= acosh(z/r); A= (2*sinh(((2*p)+1)*alp...

7 years ago | 0

Answered
I'm getting the error 'Subscripted assignment dimension mismatch.' for this piece of code (the last line: s(1,i)). Could anyone help me to figure out what is wrong and how to fix it? Thank you very much.
As I understand, you assign vector to cell of matrix s.

7 years ago | 0

Answered
data generation from given
Define |t|: t=[0:1e-3:1e-1]; Define |y|: y=10*sin(200*t)+20*cos(200*t.^2); Save data: %to txt fID = fopen('t...

7 years ago | 0

Answered
Modeling efflux time from a tank. Equation 11 in the attached document
I think it can be helpful. You have this function with |A, B, C, D| are known: fun = A * (dHdt)^2 + B * (dHdt)^1.75 + C *...

7 years ago | 0

Question

Access to parent object or problem with organize class
Hi, I need to attache some methods to the particular object |obj|. These methods stored to packages (folder with "+" in name)...

7 years ago | 1 answer | 0