Multiply array by scalar matlab
[DOC File]MATLAB Programming Style Guide
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No difference between array and matrix addition and subtraction. The matrices or vectors must be of equal dimension (same size). Multiplication. You can multiply the elements of two same-sized matrices using the array operator .* A .* B. When multiplying by a scalar, it is always term by term, so there is no difference in * or .* operators. A ...
[DOC File]EXERCISE 2-1
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4 The function ndims returns the number of dimensions of an array: >> f=ndims(A) f = 2 The function size returns the number of rows and columns of an array: >> g=size(A) g = 4 3. 4.4 Indexing . Most of the data used in Matlab consists of vectors and arrays and at times only a subset of numbers are of interest. This is where indexing becomes ...
[DOC File]MATLAB - Mathematical Sciences
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You should start MATLAB by simply typing matlab if you are working on a Unix system or just by double clicking the MATLAB icon if you are using a Windows based system. If all goes well you will see a MATLAB prompt ... One can now multiply vectors appropriately to either yield an innerproduct ... or to compare an array to a scalar. For example ...
[DOC File]MATLAB NOTES FOR GEOPHYSICS
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Term-by-term multiply of two one by N matrices of equal length is a.*b. The operator is .* (dot star). There is also a term by term operators for divide (./) and for other operations. Note that the dot comes first. To delay a signal, set up another array, such as 0,0,1 and convolve it with the original signal.
[DOC File]Logging into the cluster
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This multiplies every element of the array by the scalar x. When an array is multiplied or divided by, or added or subtracted to a scalar (a single number), each element in the array is manipulated in the same way. Arrays and values are interchangeable >> a([1 2],1)=a(2,2)
[DOC File]Matrices
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oratory – says it all: Matlab was designed from the get-go to work with matrices. It even treats individual numbers as a special type of matrix termed a scalar. Consequently, Matlab is demonstrably faster at working with matrix-based models than comparable technical …
[DOC File]LAB #1
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» x = ( ); % build an array starting at 0, ending at 1, and incremented by .1 » length(x) % returns the length of the array x » xp = x*pi,. % multiply each element of the array bypi » length(xp) » xp(3) % refers to the third element in the xp array only » xp(2:6) % references the second through sixth element of the xp array
[DOCX File]MATLAB Questions and Answers – Input and Output
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Answer: bExplanation: If one operand is a scalar and the other is not, then MATLAB applies the scalar to every element of the other operand. This property is known as scalar expansion because the scalar expands into an array of the same size as the other input, then the operation executes as it normally does with two arrays.
[DOC File]MATLAB NOTES FOR GEOPHYSICS
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In Matlab, a one dimensional array or matrix can be either a matrix with one column or a matrix with one row. If you don't know which you have, it can cause problems with subsequent computations, but fortunately, it is easy to change the data from one form to the other with the transpose command.
[DOC File]It is assumed that the software is installed on the ...
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%when a scalar and an array are involved in the addition (subtraction) operation, the scalar is added to (or subtracted from ) all the elements in the matrix. Multiplication of arrays >> a=[1 4 2;5 7 3;9 1 6;4 2 8] %define a 4*3 matrix a >> b=[6 1;2 5;7 3] %define a 3*2 matrix b
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