Matlab find index of max value

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  • Find matlab course notes, answered questions, and matlab tutors 24/7. Assume that all resistances have value Ri = 1. Provide the MATLAB/Octave commands that you used. ... Note: MATLAB starts indexing with 1 and not 0! When we do Euler's method by hand, we call our initial values and .
  • Oct 20, 2008 · This Site Might Help You. RE: Is there a MATLAB function that can find the index of a specified double in a vector? For example: vector= [ 10, 20, 30, 40, 50 ]
  • MATLAB Tutorial #2 Evaluating Fourier Transforms with MATLAB In class we study the analytic approach for determining the Fourier transform of a continuous time signal. In this tutorial numerical methods are used for finding the Fourier transform of continuous time signals with MATLAB are presented.
  • The step function is one of most useful functions in MATLAB for control design. Given a system representation, the response to a step input can be immediately plotted, without need to actually solve for the time response analytically. A step input can be described as a change in the input from zero to a finite value at time t = 0
  • May 24, 2018 · Hi I am trying to find the position of a vector array. After I have found the maximum value in the first and third row, and the minimum value in the second row, how can I get the position index to be applied on the other variable as they correspond to the same position?
  • Aug 13, 2011 · findNlargest. File Exchange. MAXX (x) returns the overall maximum value of matrix x. File Exchange. Min and Max for Array. File Exchange. Community Treasure Hunt. Find the treasures in MATLAB Central and discover how the community can help you! Start Hunting!
  • To find the indices of all the locations where the maximum value of the whole matrix appears, you can use the "find" function. Keqiao Li on 22 Dec In this case, obviously, the max value is 8, but there are two "8". How to find the max value of a matrix in Matlab. Viewed 14k times. Active Oldest Votes.
  • For the matrix. M = magic (3) M = 8 1 6 3 5 7 4 9 2 find (M > 3, 4) returns the indices of the first four entries of M that are greater than 3. ans = 1 3 5 6. If X is a vector of all zeros, find (X) returns an empty, 0-by-1 matrix. For example, indices = find ( [0;0;0]) indices = Empty matrix: 0-by-1.
  • matlab question: i have an array of data. how do i get matlab to find the position of an entry closest for instance, a cumulative probability vector and you want to find the index for the value that is the on 09 Mar 2010 at 5:11 am Max. Much better than my routine, which always gets confused by the...
  • To find the maximum (or minimum) for each row, the dimension of 2 (that is how a MATLAB refers to rows) can be identified as the third argument to the max (or min) function; the second argument should be an empty vector: >> min(mat,[],2) ans = 5 9. Such functions can also compare vectors or matrices and return the maximum (or minimum) values ...
  • The 'find' command only returns the indices of all the non-zero elements of a matrix. The "min" and "max" functions in MATLAB return the index of the minimum and maximum values, respectively, as an optional second output argument.
  • Big hints: In your first line of code, >> max_num=max (K (:)); you are finding the value , but not the index , of the maximum. If you call max () with two output arguments, then you will also get the index. >> [max_num,max_idx] = max (K (:)); In your second line of code, >> [X Y]=ind2sub (size (K),max_num);
  • Jul 10, 2017 · A lot of information is shared on the web and a lot of people are interested in taking advantage of it. It can be used to enrich the existing data, for example. However, information is buries in HTML tags and it is not easy to extract useful information. Today's guest blogger, Toshi Takeuchi shows us how he uses MATLAB for
  • Mar 18, 2015 · Thanks but it still wont give me the first peak. I got a X value of 14,14 with this and that's the 3 peak, but i see now that i may need to write my full script here because i cant use max(F) command because i use syms z. this is the script. where i need to find the max value and position of plot 1 and 2
  • Oct 05, 2019 · Sometimes, given an array of numbers in JavaScript, the smallest or largest value needs to be identified — and quickly! There are several built-in ways to find a minimum or maximum value from an…
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Transit crosshair repairThen you can find the maximum and apply the conventional conversion from index to frequency. Or you can find the single max value of the array and give its index in each dimension. [maxAmp, Index] = max(abs(signal_fftn(:))) [x,y,z] = ind2sub(size(signal_fftn), Index)
Dec 12, 2006 · [C,I] = max(...) finds the indices of the maximum values of A, and returns them in output vector I. If there are several identical maximum values, the index of the first one found is returned. Reply Delete
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  • Find to 3 d.p. the root nearest 7.0 of the equation 4x3 +2x2 200x 50 = 0 MATLAB can be used to do this by creating le eqn.min your matlab directory: function [y] = eqn(x) % User dened polynomial function [rows,cols] = size(x); for index=1:cols 5
  • CUED: Matlab vectorisation tricks end end By Peter J. Acklam A = min( max( Matrix, min_value ), max_value ); From A = [3,4,3] and B = [1,2,3,4,5,6,7,8,9,10] produce a vector C where C(1) is the sum of the first A(1) elements of B,
  • Matlab max function can work with complexes, what Scilab max can not, so a emulation function called mtlb_max has been written. Note that in Scilab, second input parameter can give the dimension to use to find the maximum values or another matrix (maximum of two matrices), in Matlab...

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For example, on the first iteration, index = valArray(:,1). The loop executes for a maximum of n times, where n is the number of columns of valArray, given by numel(valArray, 1, :). The input valArray can be of any MATLAB data type, including a string, cell array, or struct. Example for a = 10:20 fprintf('value of a: %d ', a); end
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That means you can find, say, the second smallest number in a range (i.e. set k to 2 in the SMALL function), or the third largest value in a range (set k to 3 in the LARGE function). Building on the MIN example from above, here's how you'd use the SMALL and LARGE functions to do this: Start studying MATLAB Ch 2. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
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Jul 21, 2012 · Another option is ‘findpeaks’ in the Signal Processing Toolbox. It will give you the maximum (and indirectly the minimum) values and their index locations. If ‘Data’ is the vector that produced the plot, to find the maxima and minima: [Maxima,MaxIdx] = findpeaks (Data); The 'find' command only returns the indices of all the non-zero elements of a matrix. The "min" and "max" functions in MATLAB return the index of the minimum and maximum values, respectively, as an optional second output argument.
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Feb 22, 2017 · Learn more about multiple max value, 2d matrix . ... index_of_largest4 = dindex(1:4); ... Find the treasures in MATLAB Central and discover how the community can help ... Jun 04, 2016 · MATLAB has multiple ways of defining and accessing structure fields. See Declaring Structures for more details. Note: Structure field names must begin with a letter, and are case-sensitive. The rest of the name may contain letters, numerals, and underscore characters. Use the namelengthmax function to determine the maximum length of a field name.
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We get a sinewave form in matlab to calculate the voltage, but I need only the peak(rms or average) values of it. I need to find the voltage value as like in practicals using multimeter.
  • Jul 29, 2018 · Now i want to find max index values in another cell and extract those values( matrix 1*2, here i want to extract only 1st col value only). for ex. [M,I] = [2,295]. 295 index value of its max value in certain row, let say (6,26321) is the extracted index value in another cell. extract value is 6(1st col) similarly all other row cells matrix. "[C,I] = max(...) finds the indices of the maximum values of A, and returns them in output vector I." But that does not seem to work. The indices could have been given as linear indices b = [ 2 3 6] so that X(b) would give the max values of columns of X in a. It looks like an error in MATLAB because...
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  • MATLAB/Octave Description; apply(a,2,max) max(a) max in each column: apply(a,1,max) max(a') max in each row: max(a) max(max(a)) max in array: i <- apply(a,1,which.max) [v i] = max(a) return indices, i: pmax(b,c) max(b,c) pairwise max: apply(a,2,cummax) cummax(a)
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  • M = max (A, [],vecdim,nanflag) specifies multiple dimensions to operate along when using the nanflag option. example. [M,I] = max (A, [], ___ ,'linear') returns the linear index into A that corresponds to the maximum value in A. example. C = max (A,B) returns an array with the largest elements taken from A or B.
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  • Indexing: vectors in MATLAB are not the same as in every other programming language because the indexing starts from one instead of zero, which means that Find elements in a vector using Boolean conditional statement, and find the maximum value of a vector using the max MATLAB command.
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  • The step function is one of most useful functions in MATLAB for control design. Given a system representation, the response to a step input can be immediately plotted, without need to actually solve for the time response analytically. A step input can be described as a change in the input from zero to a finite value at time t = 0
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