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From workspace does not receive data properly.
Are you using the auto solver? What is the smallest timestep taken at the start? It's possible that the solver needs to be confi...

3年以上前 | 0

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Accessing specific values in every matrix in a cell array
Sure, use cellfun: A = {[1,2,3],[4,5,6],[7,8,9];[10,11,12],[13,14,15],[16,17,18]}; B = cellfun(@(x) x(3), A) disp(B)

3年以上前 | 1

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Use EV Battery Cooling System
It sounds like the file is not on MATLABs search path. https://www.mathworks.com/help/matlab/matlab_env/what-is-the-matlab-searc...

3年以上前 | 0

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How do you create a matrix Aij where each value is determined by a formula?
It sounds like a for loop would build your matrix nicely: n = 2000; sz_i = n; sz_j = n; A = zeros(sz_i, sz_j); % Preallocate...

3年以上前 | 0

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Simulink asynchronous generator voltage input clarification
Hi Abd, For an induction machine to operate, you must be able to generate a rotating field on both the rotor and stator. The fi...

3年以上前 | 1

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What is the difference between in64, int32, and int8. Are there anymore 'int' functions? (int means integer right?)
Difference between %d, %f, or any other %? These are formatting control codes. %d prints a number in decimal (base 10) format, ...

約4年前 | 0

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How to display a Y value
For interactive use of the graph, consider use of the datatips functionality. In R2018 and above, if you hover your cursor over ...

約4年前 | 0

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index exceeds matrix dimensions and the toolbox code error
I'd guess that n is larger than the size of P. In the first couple lines it seems that P only gets allocated if the swing angle ...

約4年前 | 0

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How to apply modifiers to error messages
You've almost got it. The TeX formatting is correct. You need to include the interpreter and modality of the window in a struct ...

約4年前 | 1

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How to impulse response including unit step function
The Heaviside step function is defined Substitute a logical check on t for u(t). Should be extendable to a shifted step fu...

約4年前 | 0

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How Do I Determine which Group Variables Correspond to the Results of SplitApply
Consider using the second argument output from findgroups? [G,ID] = findgroups(A) also returns the unique values for each group...

約4年前 | 0

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Incorporate Incremental Vector into an Equation
Use the elementwise operators (preceed divide/multiply with a dot). https://www.mathworks.com/help/matlab/matlab_prog/array-vs-...

約4年前 | 0

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count of non zero elements of a row vector in a loop
Try the nnz function. It sounds like you're trying to count the number of nonzero elements in each row? Use arrayfun to apply t...

約4年前 | 1

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Using CLEAR ALL usually decreases code performance and is often unnecessary
It sounds like you're seeing this in the Editor's Linter coding tips? These are all "clear the slate" commands, Use clc to clea...

約4年前 | 1

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Can I use boolean of a variable on a column of another variable
Hi, to confirm/rephrase, you're looking to extract 16 separate arrays, each one corresponding to the case where the response mat...

約4年前 | 0

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How To Assign Operator/Variables with a value
I'm not familiar with LGP. Consider a cell array to hold the chromosome? C = {X, 2, @times, 4} Using the operator definition...

約4年前 | 0

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Creating a vector from recursive elements of another vector
Welcome to MATLAB! Matlab will allocate the memory for you on the fly, so this is a one line operation, no need for a loop :) ...

約4年前 | 0

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Rosenbrock's Banana Function and its derivatives
Write a function to return the value of <http://en.wikipedia.org/wiki/Rosenbrock_function Rosenbrock's two-dimensional banana fu...

約4年前

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Permutation Via Multiplication
Given two numbers a and b, determine if the product ab is a permutation of the digits of a. For example, this is always true for...

約4年前

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Whole Number Un-Concatenator
Write a function that accepts an integer and an index digit and returns a vector containing two integers which are the leading a...

約4年前

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Whole Number Concatenator
Write a function that concatenates whole numbers. For example: numcat(111,222) should return 111222 numcat(1,2,3,4,5) s...

約4年前

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Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

約4年前

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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

約4年前

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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

約4年前

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Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

約4年前

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Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

約4年前

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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. <http://en.wikipedia.org/wiki/Whole...

約4年前

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MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

約4年前

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MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

約4年前

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MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

約4年前