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str2num function - String:
The function str2num does the opposite; it takes the string in which a number is stored and converts it to the type double:
>> num = str2num('123.456')
num =
123.4560
When there is a string in which there are numbers split by blanks, then the str2num function will convert this to the vector of numbers (of the default type double).
For illustration,
>> mystr = '66 2 111';
>> numvec = str2num(mystr)
numvec =
66 2 111
>> sum(numvec)
ans =
179
Referring to and Showing Cell Array Elements and Attributes: Just as with the other vectors, we can refer to individual elements of the cell arrays. The only difference is tha
Use polyval to evaluate the derivative at xder. This will be the % slope of the tangent line, "a" (general form of a line: y = ax + b). % 4. Calculate the intercept, b, of t
sane as above
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Function used in binary search: The function below implements this binary search algorithm. It receives two arguments: the sorted vector and a key (on the other hand, the func
str2num function - String: The function str2num does the opposite; it takes the string in which a number is stored and converts it to the type double: >> num = str2num('123.
Illustration of Sorting strings: To sort on the rows rather than second dimension should be specified. >> sort(words,2) ans = Hello Hdowy Hi Gbdeo
about sampling theorem
Illustration of gauss-jordan elimination: An illustration of interchanging rows would be r1 ¬→ r3, that would results: Now, beginning with this matrix, an illustration of sc
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