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A résolu
Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.
environ 2 ans il y a
Why do AnalysisPoints change the results of systune optimization?
Hello there. The addition of analysis points does not change the system dynamics, but it does change the underlying LFT model. ...
environ 6 ans il y a | 1
| A accepté
Why do state space and its equivalent transfer function models yield different step responses?
Hi there, Examine the state-space model sys_ss: >> sys_ss Note that it has a non-unity E matrix. This happens becaus...
presque 11 ans il y a | 0
| A accepté
Error simple program PID
Is there a reason you need to do this with syms? At least in the code you showed, it doesn't look like you are using any Symbol...
presque 12 ans il y a | 0
How can I use 'name' to specify input/output pairs between two systems connected in an LFT arrangement?
If I understand what you want to do, you can assign values to the InputName and OutputName properties of your state-space models...
presque 12 ans il y a | 0
| A accepté
Getting bode plot for a circuit in Simulink
Looking at your screenshot of the Linear Analysis tool, it appears that you trying to obtain a linear model using the Model I/Os...
environ 12 ans il y a | 0
How do I specify which toolbox a function should be used from?
MATLAB determines which freqresp to use based upon what type of input you give it. The first argument to the Control System Too...
environ 12 ans il y a | 1
| A accepté
Matlab, Simulink, which block?
Perhaps what you want is the Gain block, with the gain value set to 0.5. This takes an input and multiplies it by 0.5, to outpu...
environ 12 ans il y a | 0
| A accepté
Does the bode function automatically converts the vector points into decibels?
The *bode* function of Control System Toolbox will plot the frequency response of a transfer function in dB. The function can a...
environ 12 ans il y a | 1
Why can't I find the number 1.7?
It's because your computer can't store decimal numbers in an exact form - there is always small but finite roundoff error in flo...
environ 12 ans il y a | 1
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...
environ 12 ans il y a
A résolu
Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...
environ 12 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...
environ 12 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 ...
environ 12 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...
environ 12 ans il y a
A résolu
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
environ 12 ans il y a
>> R1=1; L=10e-3; C1=10e-6; R2=10; A=[-R1/L -1/L;1/C1 -1/(R2*C1)]; B=[1/L;0]; C=[0 1]; D=[0]; step(A,B,C,D),grid >> bode(A,B,C,D),grid ??? Error using ==> lti.bode at 95 Plots must be of the same type and size to be superimposed. Error in ==> bode a
I do not get the error you see. Do you have a hold in between the step command and the bode command that you did not show here?...
plus de 12 ans il y a | 1
| A accepté
A résolu
Try 1.5.4: Celsius to Fahrenheit
Write a program to convert an input given in Celsius to Fahrenheit. Examples: Input celsiusValue = 100 Output fahrValu...
plus de 12 ans il y a
A résolu
Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.
plus de 12 ans il y a
A résolu
middleAsColumn: Return all but first and last element as a column vector
Given input A, return all but the first and last elements, arranged as a column vector. (I.e., all dimensions after the first s...
plus de 12 ans il y a
A résolu
Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).
plus de 12 ans il y a
A résolu
Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...
plus de 12 ans il y a
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 12 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 12 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 12 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 ...
plus de 12 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 12 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 ...
plus de 12 ans il y a
