解決済み

Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

約14年前

回答済み
How to find all XY Graphs in Simulink model
As you can see from the FRP for <http://www.mathworks.com/help/toolbox/simulink/slref/find_system.html |find_system|>, you can s...

約14年前 | 1

| 採用済み

回答済み
Fastest way to dot product all columns of two matricies of same size
When you say you're doing the dot product, I assume you're doing this: v1'*v2 and not dot(v1, v2) The equivalent...

約14年前 | 0

解決済み

Find matching string from a list of strings
Write a function that returns a string that is a unique match (if it exists) of the string |inStr| from a list of strings |strLi...

約14年前

問題

Find matching string from a list of strings
Write a function that returns a string that is a unique match (if it exists) of the string |inStr| from a list of strings |strLi...

約14年前 | 4 | 275 個のソルバー

解決済み

First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

約14年前

解決済み

Back to basics 14 - Keywords
Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

約14年前

回答済み
File modification alert from windows api
You may be able to use the .NET interface, using the <http://msdn.microsoft.com/en-us/library/system.io.filesystemwatcher.aspx F...

約14年前 | 2

| 採用済み

回答済み
How do I activate Simulink with R2011a Student Version?
Where are you looking for the icon? There will be no separate Simulink icon in your OS desktop. You start Simulink by starting M...

約14年前 | 0

回答済み
creating a single structure with 100 entries
You don't need to create a structure for that. You can do this: C2 = cat(3, C{:}); avg = mean(C2, 3) FYI, to answer y...

約14年前 | 1

| 採用済み

回答済み
How do I delete a field variable from a structure
|handles.Data| is a field of variable |handles|. To delete a field, handles = rmfield(handles. 'Data'); To set the field...

約14年前 | 4

| 採用済み

解決済み

Back to basics 15 - Benchmark
Covering some basic topics I haven't seen elsewhere on Cody. Return an array of the benchmark values for MATLAB.

約14年前

回答済み
problem acquiring the video from webcam
Put a breakpoint on line 4 of your function |getCameraInfo|, and explore your variable |camera_info|. Maybe your laptop isn't re...

約14年前 | 0

解決済み

Tricky timing
Write a function that takes between 0.5 seconds and 0.6 seconds to run.

約14年前

解決済み

Trickier Timing
You solution should return control to main program only when the current time ends in either a 5 or 0 (e.g. the current seconds ...

約14年前

解決済み

Circumscribed circles
Given the lengths of the 3 sides of a triangle, output the radius of the circumscribed circle. Example: [3 4 5] -> 2.5

約14年前

解決済み

Number of toolboxes?
Return a number equal to the number of toolboxes available to the Cody solvers.

約14年前

解決済み

Specific toolboxes
Given a string that is the name of a MATLAB toolbox, return true if it is available on the Cody solvers evaluation system, false...

約14年前

解決済み

Toolbox check part 3
In my ongoing quest to highlight obscure parts of MATLAB, the latest challenge is to take 2 string inputs, one a MATLAB toolbox ...

約14年前

解決済み

Back to basics 1 - Saving
Covering some basic topics I haven't seen elsewhere on Cody. Given an input variable 'x', save it to disk in a file named 'co...

約14年前

解決済み

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...

約14年前

回答済み
"if "function
You can use the <http://www.mathworks.com/help/matlab/ref/isstrprop.html |isstrprop|> function. If |answer| is the input you got...

約14年前 | 1

| 採用済み

解決済み

Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

約14年前

解決済み

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]

約14年前

解決済み

Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

約14年前

解決済み

Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

約14年前

解決済み

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

約14年前

解決済み

Remove all the words that end with "ain"
Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

約14年前

解決済み

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

約14年前

解決済み

Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

約14年前