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Jul 8, 2016 · What I need to do is take the matrix (A) and after each loop update A to create one matrix. For instance, in the image below A is produced on the first loop, during loop 2 A "grows" to include the data from loop 1 and the data from loop 2, and so on.
Mar 24, 2015 · i have a matrix c[38,39], and want to merge it to a new one lets say f[1,1482]. So first i pre-allocate the f and then in a for loop i tried to merge it, but it keeps saying that i exceeded the mat...
Feb 12, 2024 · While linear indexing, arrayfun(), and cellfun() provide efficient ways to iterate through matrices, the classic approach of using nested for loops is also widely employed in MATLAB. The syntax for nested for loops involves having an outer loop control the rows and an inner loop control the columns.
The createArray function (since R2024a) can return arrays of almost any MATLAB data type. The function uses the same syntax as zeros and ones to define the size of the array, but it also offers several options for specifying the contents of the array. For example, you can specify the fill value.
Since MATLAB was created to perform matrix operations efficiently, it has unique built-in capabilities for operating on arrays. Often, a single line of MATLAB code can perform a large set of operations that, in other languages, would be done with a combination of loops and if statements.
Use these matrices to complete the following computations using MATLAB. [latex]a=\left[\begin{matrix}-8&4\\5&12\\\end{matrix}\right];\ \ b=\left[\begin{matrix}3&5\\2&3\\\end{matrix}\right];\ \ c=\left[\begin{matrix}-2&1.5\\12&-4.25\\\end{matrix}\right];\ \ d=\left[\begin{matrix}-2&0\\2&4\\\end{matrix}\right][/latex] [latex]a+b[/latex]
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You can create common arrays and grids, combine existing arrays, manipulate an array's shape and content, and use indexing to access array elements. For an overview of matrix and array manipulation, watch Working with Arrays.
