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Marcelo Costa


Active since 2012

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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.

4 years ago

Solved


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

4 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 ...

4 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...

4 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:...

4 years ago

Question


How can I make this graphic?
I have this data <https://drive.google.com/file/d/0BzSixbWRFmQLUVJJZjlhZUFpOEk/view?usp=sharing Click here for data.> I want ...

9 years ago | 1 answer | 0

1

answer

Question


Count Relationships between two columns
I have this data <https://drive.google.com/file/d/0BzSixbWRFmQLUVJJZjlhZUFpOEk/view?usp=sharing (Click Here)> I'd like to co...

9 years ago | 1 answer | 0

1

answer

Question


Xlswrite, problem. How to resolve
I Have 12 variables vq1 ... vq12 This is my command. A={vq1;vq2;vq3;vq4;vq5;vq6;vq7;vq8;vq9;vq10;vq11;vq12;} xls...

10 years ago | 1 answer | 0

1

answer

Question


How do I separate columns?
I have an array with 174 columns. I have to separate them from 3 columns, and the columns column 1 is 1 4 7 10, so until the end...

11 years ago | 1 answer | 0

1

answer

Question


Relative a movement - biomechanics
Hello guys, Thus, I have capture a movement of a person throwing a ball, however the amount of frames they have are different. ...

11 years ago | 1 answer | 0

1

answer

Question


Calculating the angle between two vectors
Is my code correct? I need to calculate the angle between these vectors, I would check if the command is correct! clear...

11 years ago | 1 answer | 0

1

answer

Answered
How i use the command Butter?
Hello Again This is my command. clear all f2=12.5; frequency of cutoff Fs=210; acquisition frequency Files=dir('*...

11 years ago | 0

Question


Correct Code for function Butter?
I need filter a data of displacement, and teh data is save in a txt file, this txt has 100 rows and 4 coluns. Until the begin ...

11 years ago | 1 answer | 0

1

answer

Question


How i use the command Butter?
I have two questions. The first question is: How do I choose the cutoff frequency of the Butterworth filter The second questio...

11 years ago | 3 answers | 0

3

answers