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River Rock


Active since 2012

I don't want my name to be associated with Mathworks in any possible way.

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Question


save gui handles between uiwait/uiresume calls
Hi, I'd like to implement the following behaviour in my gui app: - start iterating through a for loop and compute an array ...

mer än 7 år ago | 1 answer | 1

1

answer

Solved


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...

nästan 8 år ago

Question


large differences between continuous and discrete tf
Hello, While working on an assignment, I noticed some differences between continuous and discrete tf and I cannot figure out ...

ungefär 8 år ago | 0 answers | 0

0

answers

Question


Code completion for toolbox functions
Hi I installed the Symbolic Math Toolbox over an existing Matlab 2012a installation and I noticed there is no auto-completion...

mer än 8 år ago | 0 answers | 0

0

answers

Answered
Reading a 5.0 mat file in c++
The example found in /extern/examples/eng_mat/matdgns.c also generate errors, as I fail to link the static library Using ...

mer än 9 år ago | 0

Question


Reading a 5.0 mat file in c++
Hi :) How would you recommend me to read the contents of a 5.0 mat-file in c++? I've found a mat.h file in matlabroot/exte...

mer än 9 år ago | 1 answer | 0

1

answer

Answered
Modal realization in Matlab
bump?

nästan 10 år ago | 0

Question


Modal realization in Matlab
Hi Given the following transfer matrix : T = From input 1 to output: s - 1 ------------- s^2 + 3 s + ...

nästan 10 år ago | 1 answer | 0

1

answer

Question


Find a PID Controller
Hi I want to find a PID Controller for the following process: Hp(s) = 1 / (s^2 + 1) or Hp = tf (1, [1 0 1] ); Pe...

nästan 10 år ago | 1 answer | 0

1

answer

Answered
Represent Simulink Integrator block as Matlab Function
My main goal is to implement the differential equations of a physical system using a single Matlab Function. As the sums and gai...

nästan 10 år ago | 0

Answered
Represent Simulink Integrator block as Matlab Function
Can anybody suggest a better way of implementing the numerical integration ? The code has to be written inside the Matlab Functi...

nästan 10 år ago | 0

Question


Represent Simulink Integrator block as Matlab Function
Hi. I need to implement the following behavior : <<http://i.imgur.com/a6SsM.png>> The Integrator and my_Integrator bloc...

nästan 10 år ago | 5 answers | 1

5

answers

Solved


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...

ungefär 10 år ago

Solved


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 ...

ungefär 10 år ago

Solved


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

ungefär 10 år ago

Solved


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...

ungefär 10 år ago

Solved


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 ...

ungefär 10 år ago

Solved


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...

ungefär 10 år ago

Solved


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

ungefär 10 år ago

Answered
Simulink transfer function with sinusoidal parameters
Thanks for your great response I had to adapt the diagram for the denominator [1 K 0], as you use [1 K 1] in your example. ...

ungefär 10 år ago | 0

Question


Simulink transfer function with sinusoidal parameters
Hi I need to design a transfer function in the following form: 1 / (s^2 + K*s) where K is scalar and varies sinusoidal; the d...

ungefär 10 år ago | 2 answers | 1

2

answers

Answered
Simulink transfer function with sinusoidal parameter
Your answer does solve the initial problem. Now how about modifying the parameters of the denominator?

ungefär 10 år ago | 0

Question


Simulink transfer function with sinusoidal parameter
Hi I need to design a transfer function in the following form: K/ (Ts + 1) where the numerator K is scalar and varies sinuso...

ungefär 10 år ago | 2 answers | 0

2

answers

Solved


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

ungefär 10 år 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 ...

ungefär 10 år 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...

ungefär 10 år 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:...

ungefär 10 år ago

Question


Simulink constant parameter read inside Matlab Function block
Hi. I defined some Simulink parameters to the Model Workspace of a Simulink model. When used in a Constant block, the code com...

ungefär 10 år ago | 2 answers | 0

2

answers

Answered
Reading a wire value from Simulink into the Command Window or GUIDE
Thanks for your answer; I was able to get the data from the filter's output data=get_param('main/level/level_filter','Runtime...

mer än 10 år ago | 0

Question


Reading a wire value from Simulink into the Command Window or GUIDE
I want to read the values that passes through a wire in my Simulink model. This value should be displayed in a text field on ...

mer än 10 år ago | 2 answers | 0

2

answers