Solved

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...

15 years ago

Solved

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 ...

15 years ago

Solved

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...

15 years ago

Solved

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

15 years ago

Solved

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...

15 years ago

Solved

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 ...

15 years ago

Solved

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...

15 years ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

15 years ago

Solved

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 ...

15 years ago

Solved

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...

15 years ago

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:...

15 years ago

Answered
How to find repetitive patterns using autocorrelation
Wouldn't you see spikes in your xcorr result corresponding to the period of the signal? If you can find the spacing (N) between...

15 years ago | 0

Answered
How to pass data between GUI and different .m file
Use the guidata() function. You would tag a callback to each control. Depending on the control, it would either read the gui...

15 years ago | 0

Submitted

repToSize
Replicate and tile an array so that it meets a specified final size.

16 years ago | 294 downloads |

Submitted

regexpcmp (strcmp meets regexp)
Checks whether strings match a regular expression (pattern) or not.

16 years ago | 714 downloads |

Submitted

sci2num
Converts a string with (possibly) an SI prefix to a number. Works in reverse of num2sci.

16 years ago | 572 downloads |

Submitted

num2sci
Works just like num2str except will print with formatting in SI prefix notation.

16 years ago | 714 downloads |

Submitted

HDF5 Read/Write Cellstr Example
Demonstrates writing MATLAB cell arrays of strings as variable-length strings to HDF5 files.

17 years ago | 1428 downloads |