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Make this optimization work
Hi @Ionel, Your `FiniteDifferenceStepSize = 1e-6` is way too small for an ODE-based optimization. fmincon is testing gains li...

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Mirror, mirror on the wall, who is fairest of them all?
The Elo rating system was featured in the movie *The Social Network* during the <https://www.youtube.com/watch?v=BzZRr4KV59I/ al...

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James Bond film count
Twenty-three James Bond films have been produced, in the years 1962, 1963, 1964, 1965, 1967, 1969, 1971, 1973, ... 197...

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How to add noise in a SAR single point target simulation
Hi @Jason, For SAR simulations, speckle noise is typically the main issue since it's *multiplicative*, meaning it scales with...

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Deduce Equations for Simplified Interstellar Doppler Effect ✨
R2-D2 and C-3PO are friends. R2-D2 boards a spacecraft bound to a galaxy far, far away, but is always in contact with C-3PO, als...

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TRON strategy toggle
Detect whether your lightcycle is on same side of existing walls as opponents lightcycle. This function is useful in toggling a ...

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How many jokers?
* Given DNA codes of a group of suspects, * and a code for certain types of jokers, * Count how many jokers of that type. * ...

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Who has power to do everything in this world?
There is only one person who is older than this universe. He is Indian version of Chuck Norris.

10 meses hace

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Model Perfectly conducting fluid pipe simscape
Hi Jelmer, I think the issue is that your Pipe (TL) blocks are adding their own thermal mass and heat transfer, which is why ...

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Coin change combinations.
Using only pennies (1), nickels (5), dimes (10), quarters (25), half dollars (50), and dollars (100), how many different combina...

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Calculate Wind Chill Factor
The NWS Wind Chill Temperature (WCT) index formula for calculating the dangers from winter winds and freezing temperatures: Cal...

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How can I remove C style casting in rtwtypes.h
Hi @Troy, I checked the MathWorks documentation, and it looks like there isn’t a built-in way to generate *rtwtypes.h` using ...

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Convert a temperature reading from Celsius to an unknown scale
Two of the most famous temperature scales are the Celsius and the Fahrenheit scale. In reality, however, there are so many other...

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Assistance to import variables to Wavelet Frequency Analyzer App to plot scalogram
Hi @Angel Lozada, I see what's happening with your code. You're actually creating the amplitude and amplitude_lim varia...

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here is the problem in fuzzy logic controller i dont understand how to fix flc in simulink and sort out this problem.
Hi @Faria, I have reviewed your attachment and posted comment. The warning in your provided attachment means your input signa...

10 meses hace | 1

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How come my Daq Session isnt continous?
@Michael — the behavior you’re seeing is actually expected with how MATLAB handles background DAQ sessions. When you call `start...

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I'm trying to solve for my inverse kinematics for a 3RRR plannar pkm, my theta is close but apparently it should be accurate to about 2 decimal places and mine is off by 0.5
Hi @Phembuvuyo, I saw your post from earlier today about the inverse kinematics problem you're working on for your 3RRR plana...

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How can I get individual cell voltages from the battery pack from Battery Builder?
Hi @Josie, Yes, you can get individual cell voltages (and SOC, temp, etc.), but those per-cell outputs must be provided by th...

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How can I rescale a patternCustom plot?
Hi @Scott, Thanks for the additional information! It sounds like you're trying to plot multiple `patternCustom` plots in a ti...

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What gear ratio does the cyclist need?
A cyclist (perhaps including our famed Codysolver the cyclist <http://www.mathworks.com/matlabcentral/cody/players/1841757-the...

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Kepler's Equation
Solve <http://en.wikipedia.org/wiki/Kepler's_equation Kepler's Equation>. Note that the solution is rounded down to 5 decima...

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Calculate compression ratio of engine
Calculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)

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Bernoulli's Equation
Bernoulli's equation states that for an incompressible fluid the following summation is constant across the flow: v^2/2 + g*z + ...

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simscape Mechanics Explorer trajectory show
Hi @Wenlong, Thanks for reaching out! To display the trajectory of your robotic arm's fingertip in Mechanics Explorer, you'...

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Split Even Number Into Two Primes
Given an even whole number n (> 2), return a 2-element vector of primes, p, such that p(1) + p(2) = n. The elements of p should ...

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HDL coder generate code from Matlab vs Simulink
Hi @Xiaotong, Both workflows are valid, but the right choice depends on how complex your project is and what stage you’re in....

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Basic Mathematics 8
A robot is extending its arm and attempting to reach a game piece that is X” away and Yg ” off the ground. The base of the arm i...

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Coefficient of Sliding Friction
A weight of W1 N rests on a horizontal plane. The plane is gradually inclined until at an angle θ = Ao with the horizontal, the ...

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Find the force required to support a lever
Students are designing a robot that will lift a block to the equilibrium position for transport to the scoring area. They have d...

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Find the mass of a rod
Determine the mass (in grams) of a rod of length L cm if it is in equilibrium per the diagram. In the diagram L1, L2, L3 are di...

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