Answered
Call variables in for loop
To do this like you're attempting requires the use of the eval function, but be very careful in its use. Google 'eval matlab' fo...

mer än 12 år ago | 0

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Measuring and Changing
if p1 and p2 are 2 element vectors: 1: d1 = sqrt(sum((p1-p2).^2)); 2: No explanation should be required. 3: d...

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Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

mer än 12 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 12 år ago

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Projectile connected by springs model
This is probably the 3rd or 4th submission of this same exact problem. Please review the question guide: <http://www.mathwork...

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Answered
To solve double integral
try using quad2d: <http://www.mathworks.com/help/techdoc/ref/quad2d.html>

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Question

plot data in from structure of data points with limits
I have a structure of datapoints, each of which is a structure of variables. I have created a simple function that will do a sca...

mer än 12 år ago | 0 answers | 0

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answers

Answered
Numerical Inputs to Solve and Using the Output value
The problem may be that you're expecting a single value, but solve will return 2 values because it's actually quadratic. What...

mer än 12 år ago | 0

Answered
Loop Problem
You have two loops when you just need one. Essentially you're looping through the entire binary variable for each p value, but e...

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Surface plot problem,
You're not feeding the proper inputs into surfc. surfc(x,y,z,c) requires x be a vector of length(n), y a vector of length(m), si...

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Solved

Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

mer än 12 år ago

Answered
Help with plotting multiple line complete with legends.
Tim, See a previous answer that I helped a guy out with here: <http://www.mathworks.com/matlabcentral/answers/29799-adding...

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Answered
GUIDE
You can't put a 5 character string into a single spot in a matrix. You'll need to use cell arrays to do what you're trying to do...

mer än 12 år ago | 1

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Solved

All capital?
Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

mer än 12 år ago

Solved

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

mer än 12 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 12 år ago

Solved

inner product of two vectors
inner product of two vectors

mer än 12 år ago

Solved

Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

mer än 12 år ago

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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

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Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

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Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

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Solved

Project Euler: Problem 10, Sum of Primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

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Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

mer än 12 år ago

Answered
plotting in a loop - new figure window
how about: clear all Data.S1 = struct('data1',rand(12,1),'data2',rand(12,1),'data3',rand(12,1)); Data.S2 = struct('d...

mer än 12 år ago | 1

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Answered
request user input for a number of inputs
There are several ways to do this, but if you're wanting cell arrays, I'd do something like this: for i = 1:length(Location...

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Solved

Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

mer än 12 år ago

Solved

Increment a number, given its digits
Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

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Solved

Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

mer än 12 år ago

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

mer än 12 år ago