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

14 years ago

Solved

Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

14 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.

14 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 ...

14 years ago

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

14 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...

14 years ago

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

14 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...

14 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...

14 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:...

14 years ago

Answered
Cannot accèss methods of an Object after modified
You need to use handle object. Use the following line in your class definition classdef junk < handle You can then write...

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Cannot accèss methods of an Object after modified
You need to instantiate the class first in myFunction. The code as is just create a struct obj in myFunction that has a field na...

14 years ago | 0

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Reading images from a folder ony by one
You can use |dir| and filter out the files you need, for example, let's say you want to read in all the jpg files in the folder ...

14 years ago | 0

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compare integer values
Say you have the matrix |A|, and you have a function |foo| contains the operation you'd like to apply to elements of |A| if they...

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Some help to find the max value of a function?
Why not use |max|, e.g., max(Yi(:,1)) For details, see the documentation doc max

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Receiving mtimes error for passing vector through a function and I don't know why. Help?
You need to use .* y = exp(2*sin(0.4*x))*5 .* cos(4*x);

14 years ago | 1

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Erlang Random variable
In theory Erlang is the sum of exponential distributed random variables, so you can just do the same. If you have Statistics Too...

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write and reading array from 2 functions files at the same time
Looks like you want to do stream processing. I would suggest you to take a look at the example in the following page http://w...

14 years ago | 0

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function command hellp
Then I will rewrite the other file into a function, using signatures like function [T,Z,A,B] = foo(R) Once you do that, ...

14 years ago | 0

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function command hellp
Let's say the other file is |foo.m|, then you can modify the signature of |foo| to return those values, e.g. function [...,...

14 years ago | 0

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Not able to rotate an object in matlab?
Hi Simar, I think your program is doing what you want it to do, it rotates the whole thing 90 degrees in respect to the x axi...

14 years ago | 0

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Use Matlab to graph piece wise function
You need to use .^ when raising a vector to a power. This being said, I would just take advantage of the logical index: x =...

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Help to write a simple codë to split vector to subvectors
Are all Y1 through Ym equal length. If so, assume the length is N, then you can do y = reshape(Y,3*N,[]) and each colum...

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Using indices of array to define indices of cell array
Similar to what you did for vectors: C{A>3}

14 years ago | 0

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Sum Like Kind (not cumsum)
I don't know what the format is for your serial data so I'll just give an example where I add values of y when x is within a reg...

14 years ago | 0

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how to call a sub function in the main function
Your output, F, is never defined in f() function. In addition, you are rewriting your input x1 in that function too.

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Help with loop (for?)
I don't quite understand what you do with i=i', but I think what you want is Angle = rand(5,3); for m = 1:5 kinimat...

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Saving figure
You can use |imwrite| and |date| doc imwrite doc date

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polyfit question
It means avg_Y = 0.0042*x+2.5802 see doc polyfit

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