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integer strings decoding ... speed optimization
I have the following problem: I need decode integer sequences "c" to char string messages "m" by following association: ...

casi 2 años ago | 2 answers | 0

2

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how to create symbolic function?
function Z=symZ(N,Thetas,Ndigit) Thetas = sym(Thetas); Zsym = prod((1 - exp(-(N:-1:2).*Thetas))./(1 - exp(-Thetas)),2)...

alrededor de 2 años ago | 0

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how to create symbolic function?
I need to transform the following function to the symbolic form to evaluate it with arbitrary precision. Z(N,Thetas) = prod((...

alrededor de 2 años ago | 1 answer | 0

1

answer

Question


Permutations Inversions Counting ... speed up
Hi, this is my code for permutation inversions counting. Any idea how to optimize it to get some additional speedup for large se...

alrededor de 2 años ago | 1 answer | 0

1

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Question


Again terrible problem with profiler
I am again facing to terrible profiler problem (under Matlab R2017b). I have two codes doing exactly identical computing (counti...

alrededor de 2 años ago | 0 answers | 0

0

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Question


Permutations Cycles Counting ... speed up
Hi, this is my code for permutation cycles counting. Any idea how to vectorize it to get some additional speedup for large set o...

alrededor de 2 años ago | 4 answers | 0

4

answers

Question


problem with symbolic expression
A have some troubles with conversion of character vector to symbolic expression under R2017a: % character vector e = '(...

más de 2 años ago | 1 answer | 0

1

answer

Question


mupad command calling from matlab produce wrong results
I need to evaluate mupad command "discont" from MATLAB. In Mupad notebook the result is correct and looks like: <</matlabcen...

más de 2 años ago | 1 answer | 0

1

answer

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GPU Computing MacBook Pro (Retina 15'' mid 2014) force computer to use attached Intel iris GPU, give MATLAB access to entire 2GB Nvidia 750M
Your computer has only one Cuda GPU device, not two. Intel graphics is not Cuda enabled device. So, you cannot access to Intel g...

más de 2 años ago | 0

Question


DSP questeion (filter design from estimated transfer function)
Is there any way how to design filter (a,b coeffs) from transfer function estimated by "tfestimate"?

más de 2 años ago | 1 answer | 0

1

answer

Answered
About plotting Pareto fontier
Pareto front is always represented by convex hypersurface. So, you can use every methods how to visualize surface in 3-D case.

casi 3 años ago | 0

Answered
Matlab function to compare 2 numbers
Just use function MinValue = min(a,b) That is all what you need.

casi 3 años ago | 0

Answered
is MATLAB support AMD RADEON?
MATLAB use for GPU computing CUDA technology, which is supported only by NVIDIA cards.

casi 3 años ago | 2

Question


additional findchangepts function output
I have two questions regarding function "findchangepts" (DSP Toolbox): 1. How to effectively create additional output vector ...

casi 3 años ago | 3 answers | 1

3

answers

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

alrededor de 4 años ago

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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...

alrededor de 4 años ago

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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...

alrededor de 4 años ago

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

alrededor de 4 años ago

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Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

alrededor de 4 años ago

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

alrededor de 4 años ago

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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.

alrededor de 4 años ago

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

alrededor de 4 años ago

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

alrededor de 4 años ago

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

alrededor de 4 años ago

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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 ...

alrededor de 4 años ago

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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...

alrededor de 4 años ago

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

alrededor de 4 años ago

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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...

alrededor de 4 años ago

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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 ...

alrededor de 4 años ago

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

alrededor de 4 años ago

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