Answered

Split matrix across the median

a = rand(5,10); b = repmat(median(a,1),10); c1 = a; c1(a<b) = NaN; c2 = a; c2(a>=b) = NaN; .... what you're lookin...

Split matrix across the median

a = rand(5,10); b = repmat(median(a,1),10); c1 = a; c1(a<b) = NaN; c2 = a; c2(a>=b) = NaN; .... what you're lookin...

8 years ago | 0

Answered

Loading multiple files into the same database

In semi-pseudo code below My_array = []; % container for all file contents for i = 1:size(Name_File_Array) fid = fope...

Loading multiple files into the same database

In semi-pseudo code below My_array = []; % container for all file contents for i = 1:size(Name_File_Array) fid = fope...

8 years ago | 0

Answered

Convert an acceleration time graph, into a velocity time graph.

I'm not sure its a matlab issue as such but you'd need to know the starting velocity at least. If we assume its zero, then I thi...

Convert an acceleration time graph, into a velocity time graph.

I'm not sure its a matlab issue as such but you'd need to know the starting velocity at least. If we assume its zero, then I thi...

8 years ago | 0

| accepted

Answered

Loading multiple files into the same database

Hi Bob Can you read the contents of all files into matlab in loop, vertically concatenating the cellarrays and perform a sing...

Loading multiple files into the same database

Hi Bob Can you read the contents of all files into matlab in loop, vertically concatenating the cellarrays and perform a sing...

8 years ago | 0

Answered

from cell array to numeric vector

MWDIData_pop(1,1:5) = {[3752373],[3876616],[4006236],[4140773],[4279524]}; % square brackets in a cellarray indicates that t...

from cell array to numeric vector

MWDIData_pop(1,1:5) = {[3752373],[3876616],[4006236],[4140773],[4279524]}; % square brackets in a cellarray indicates that t...

8 years ago | 2

| accepted

Answered

from cell array to numeric vector

yearCellArray = {'2008';'2009';'2010'}; yearVector = cellfun(@str2double,yearCellArray);

from cell array to numeric vector

yearCellArray = {'2008';'2009';'2010'}; yearVector = cellfun(@str2double,yearCellArray);

8 years ago | 1

Answered

How to vectorize a find

a temporary vector of row numbers, then use your vector-of-interest & a logicsl statement to index this row-number vector ...

How to vectorize a find

a temporary vector of row numbers, then use your vector-of-interest & a logicsl statement to index this row-number vector ...

8 years ago | 0

Answered

How can we achieve interfacing of two GUI's?

if you just put the name of gui2 inside the callback of the pushbutton of gui1, then gui2 does not open? gui1_mybutton_...

How can we achieve interfacing of two GUI's?

if you just put the name of gui2 inside the callback of the pushbutton of gui1, then gui2 does not open? gui1_mybutton_...

8 years ago | 0

Answered

How to store matrix values in a vector?

Hi Peter Finding it a little difficult to totally grasp what you want to do e.g. m is a 3d matrix & not a 2d one, right? M...

How to store matrix values in a vector?

Hi Peter Finding it a little difficult to totally grasp what you want to do e.g. m is a 3d matrix & not a 2d one, right? M...

8 years ago | 0

| accepted

Answered

memory leak using activex to save multiple excel files

are you not closing the workbooks?

memory leak using activex to save multiple excel files

are you not closing the workbooks?

8 years ago | 0

Solved

Remove the vowels

Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

8 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 ...

8 years ago

Solved

Determine if input is odd

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

8 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:...

8 years ago

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...

8 years ago

Solved

Remove any row in which a NaN appears

Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

8 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 ...

8 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 ...

8 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...

8 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...

8 years ago

Solved

Reverse the Words (not letters) of a String

*Description* Change the words of a string such that the words appear in reverse order. You may assume that the string is a n...

8 years ago

Answered

remove numbers from a name

welcome to the frustrating world of regular expressions!! regexp(name,'[a-z]\w+','match') all the best, Mark

remove numbers from a name

welcome to the frustrating world of regular expressions!! regexp(name,'[a-z]\w+','match') all the best, Mark

8 years ago | 1

Answered

Vectorize double loops with constraints on the indexes

Hi Anne-Claire I can make some progress in the vectorization here (code below) but there are a few issues. 1) The r=max(k-...

Vectorize double loops with constraints on the indexes

Hi Anne-Claire I can make some progress in the vectorization here (code below) but there are a few issues. 1) The r=max(k-...

8 years ago | 0

Answered

How to overcome the error message in the script below -Matrix dimension error - due to different size array manipulation

Hi Jan The error I get is ??? Index exceeds matrix dimensions. Since PT_mj is a [3*4] matrix and we are trying to...

How to overcome the error message in the script below -Matrix dimension error - due to different size array manipulation

Hi Jan The error I get is ??? Index exceeds matrix dimensions. Since PT_mj is a [3*4] matrix and we are trying to...

8 years ago | 0