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Jan Kappen


Last seen: 10 mois il y a |  Actif depuis 2012

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Question


Creating an array of structs and using the field directly?
Hey guys. I'm wondering if there is a workaround for doing something like this: a = {[struct('field',1) struct('field',2)]....

plus de 8 ans il y a | 2 réponses | 0

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réponses

A résolu


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...

plus de 8 ans il y a

A résolu


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

plus de 8 ans il y a

A résolu


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

plus de 8 ans il y a

A résolu


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

plus de 8 ans il y a

A résolu


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

plus de 8 ans il y a

A résolu


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...

plus de 8 ans il y a

A résolu


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

plus de 8 ans il y a

A résolu


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 ...

plus de 8 ans il y a

A résolu


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...

plus de 8 ans il y a

A résolu


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

plus de 8 ans il y a

A résolu


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...

plus de 8 ans il y a

Question


Nonrectangular grid between two lines
Hey guys, this might be a simple problem but I'm going crazy here: Assume you have two lines or direction vectors r,s from t...

presque 9 ans il y a | 1 réponse | 0

1

réponse

Question


MEX function is slower than matlab script. Profiling possiblilites?
Hey guys. I am working on a toolbox for realtime classification of driving situations. For this purpose I train a least squares...

plus de 9 ans il y a | 1 réponse | 2

0

réponse

Question


Include libsvm in simulink, s function
Hello guys. I'm wondering how complicated it would be to call libsvm [ http://www.csie.ntu.edu.tw/~cjlin/libsvm/ ] from a si...

presque 10 ans il y a | 2 réponses | 0

2

réponses

Question


Asynchronous data acquisition & filtering
Hey guys, I need your help again :( Currently I'm using a real time windows target model which receives data via the strea...

presque 11 ans il y a | 1 réponse | 0

0

réponse

A résolu


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

presque 11 ans il y a

A résolu


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 ...

presque 11 ans il y a

A résolu


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:...

presque 11 ans il y a

A résolu


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 ...

presque 11 ans il y a

A résolu


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

presque 11 ans il y a

A résolu


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...

presque 11 ans il y a

Question


How to generally use the stream input port in a real-time windows target model?
Hey guys, I'm wondering, how I can use the stream input port (via a generic serial interface) in a real-time windows target m...

presque 11 ans il y a | 1 réponse | 0

1

réponse

Question


Understanding the rate transition block in realtime windows target
Hey guys, I have a few questions regarding the 'rate transition block' in simulink. I understand, that a fast sampled sign...

presque 11 ans il y a | 1 réponse | 0

1

réponse

Question


Video processing model can't be compiled by real-time windows target
Hello guys, I've got a strange problem here. What I try to do is creating code for the real-time windows target from a model ...

presque 11 ans il y a | 2 réponses | 0

2

réponses

Question


Using function handles from *.m file in simulink model
Hey all, I wonder, how i can use functions (or function handles) which are defined in an *.m script file in a simulink model....

presque 11 ans il y a | 2 réponses | 0

2

réponses

Question


Finding similar symbolic expressions in a vector
Hey guys, i have following problem: Let there be a long vector containing symbolic expressions. To reduce the vector length i...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Question


Plot system reactions in time domain, not lsim
Hey guys, I'm searching for a way to plot system reactions in the time domain by using transfer functions. For example: ...

presque 12 ans il y a | 1 réponse | 0

0

réponse