Mark Whirdy


自 2012 起处于活动状态

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已回答
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...

12 years 前 | 0

已回答
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...

12 years 前 | 0

已回答
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...

12 years 前 | 0

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已回答
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...

12 years 前 | 0

已回答
computation for each date
doc xlsread doc movavg doc accumarray

12 years 前 | 0

已回答
from cell array to numeric vector
MWDIData_pop(1,1:5) = {[3752373],[3876616],[4006236],[4140773],[4279524]}; % square brackets in a cellarray indicates that t...

12 years 前 | 2

| 已接受

已回答
from cell array to numeric vector
yearCellArray = {'2008';'2009';'2010'}; yearVector = cellfun(@str2double,yearCellArray);

12 years 前 | 1

已回答
Can I use this formula??
not really a matlab question, google it

12 years 前 | 1

已回答
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 ...

12 years 前 | 0

已回答
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_...

12 years 前 | 0

已回答
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...

12 years 前 | 0

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已回答
memory leak using activex to save multiple excel files
are you not closing the workbooks?

12 years 前 | 0

已解决


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...

12 years 前

已解决


Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

12 years 前

已解决


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 ...

12 years 前

已解决


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

12 years 前

已解决


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:...

12 years 前

已解决


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...

12 years 前

已解决


Is my wife right?
Regardless of input, output the string 'yes'.

12 years 前

已解决


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...

12 years 前

已解决


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 ...

12 years 前

已解决


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 ...

12 years 前

已解决


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...

12 years 前

已解决


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...

12 years 前

已解决


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...

12 years 前

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

12 years 前 | 2

已回答
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-...

12 years 前 | 0

已回答
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...

12 years 前 | 0