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Function xlsread - file function:
The function xlsread will read from the spreadsheet file. For illustration, to read from file just generated:
>> ssnums = xlsread('ranexcel')
ssnums =
96 77 62
24 46 80
61 2 93
49 83 74
90 45 18
In both situations the .xls extension on the filename is the default, therefore it can be omitted.
These are shown in their fundamental forms, whenever the matrix or spreadsheet holds just numbers and the whole spreadsheet is read or matrix is written. There are lots of qualifiers which can be used for these functions, though. For illustration, the below would read from the spreadsheet file 'texttest.xls' which contains:
a 123 Cindy
b 333 Suzanne
c 432 David
d 987 Burt
>> [nums, txt] = xlsread('texttest.xls')
nums =
123
333
432
987
txt =
'a' '' 'Cindy'
'b' '' 'Suzanne'
'c' '' 'David'
'd' '' 'Burt
strvcat function - concatenation: The function strvcat will concatenate it vertically, that means that it will generate a column vector of the strings. >> strvcat(fir
Error-Checking for Integers: As MATLAB uses the type double by default for all the values, to check to make confirm that the user has entered an integer, the program have to c
Recursive Functions: The Recursion occurs whenever something is defined in terms of itself. In the programming, a recursive function is a function which calls itself. The Recu
Illustration of Empty vectors: The Empty vectors can also be used to delete elements from the arrays. For illustration, to remove the third element from array, an empty vector
Illustration of Variance For illustration, for the vector [4, 6, 1, 5], there are n = 4 values therefore n - 1 is 3. The mean of this data set is also 4. The variance will be
Minimum and Maximum Value The MATLAB has built-in functions for numerous statistics. For illustration, min and max to find the minimum or maximum value in a data set. >> x
Print an imaginary number: To print an imaginary number, the function disp will show both parts automatically: >> disp(z1) 4.0000 + 2.0000i The function fprint
If I have a vector representing the packed storage form of a symmetric matrix, how do I perform a cholesky factorisation on that?
5 p2+8p+15, 3 p2-3p-18, 12 p2-p-30
User input in the while loop: Here is an illustration of running this script: >> readonenum Enter a positive number: -5 Invalid! Enter a positive number: -2.2
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