Question

Change color of different spheres

I have the following code to plot a sphere [x y z] = sphere; a=[loc ;radius]; a = transpose(a); surf(x*a(1,4)+a(1,1),y*a(1...

ungefär 6 år ago | 2 answers | 0

Question

Splitting an array and working on individual sections.

I have a large MxN array, M and N are both even, how can i split the array into 2x2 smaller arrays and perform operations on eac...

ungefär 6 år ago | 1 answer | 0

Question

Plot Coefficient Vector from Polyder

If I found the derivative coefficients of a polynomial using the polyder() function, is there away I can plot those coefficients...

ungefär 6 år ago | 0 answers | 0

Question

Change all indices of a word in a string to '*'.

What is the best method to change all indices of a certain word in a string to '*'. Like if my string were 'Hello, my name is...

ungefär 6 år ago | 1 answer | 0

Question

How can I add one character before each line of textfile?

How can I add one character before each line of textfile and output a new textfile with the changes made?

ungefär 6 år ago | 1 answer | 0

Question

While Loop column vector of strings

I am trying to make a column of names and a column of numbers given a .txt file. The names are always next to the number, with a...

ungefär 6 år ago | 1 answer | 0

Question

Cell Arrays to string

If I have a long cell array, say a 1x120 cell (its arbitrary), each containing a different word like 'the' in one, and 'or' in t...

ungefär 6 år ago | 1 answer | 0

Question

Compare .txt to a string.

How can you compare each line of a .txt file to a string?

ungefär 6 år ago | 2 answers | 0

Question

Read first letter of each line of a .txt file

Given an input .txt file, how can I extract the first letter of each line of that file. Ex: file.txt is I’ve worn a black...

ungefär 6 år ago | 1 answer | 0

Question

Evalaute a string left to right

Given an input string that represents a function (like 'f(x) = x^2 +2/2x+3') and a input value (like x=2), how can I evaluate so...

ungefär 6 år ago | 1 answer | 0

Answered

Fibonacci sequence, slightly different.

If he beginning number were 0, how could I make it so the first index in the output vector is 0, then the sequence continues nor...

Fibonacci sequence, slightly different.

If he beginning number were 0, how could I make it so the first index in the output vector is 0, then the sequence continues nor...

ungefär 6 år ago | 0

Question

Fibonacci sequence, slightly different.

I am trying to write a code for the fibonacci sequence, but instead of adding the the term to its previous one, I want a number ...

ungefär 6 år ago | 4 answers | 0

Question

Check for array equality?

How can I check if indices of three arrays are equal and make those indices all zero if they are equal.

mer än 6 år ago | 1 answer | 0

Question

Replace NaN with corresponding elements in another array.

I can find the locations of all the NaNs in an array, but how can I replace those elements with the corresponding elements of an...

mer än 6 år ago | 1 answer | 1

Question

Test multiple vectors for eqaulity.

If given an x amount of logical vectors, where all the logicals are the same in each vector, except 1 vector that may have one (...

mer än 6 år ago | 0 answers | 0

Question

Combine three logical statements.

I am trying to find if a certain string meets three specific requirements. I know how to test for each requirement individually,...

mer än 6 år ago | 0 answers | 0

Question

Search for elements in a string

I am trying to find whether a certain string of letters and special characters ( like /) and then output true if it does and fal...

mer än 6 år ago | 6 answers | 0