Nongraphing calculator supporting complex matrices?

04262014, 11:53 PM
Post: #1




Nongraphing calculator supporting complex matrices?
I am teaching a differential equations course. I allow my students to use a nongraphing calculator in exams.
I just realized that I do not know of *any* current nongraphing calculator that can handle complex matrices (in particular, finding complex eigenvectors of real matrices: if a complex eigenvalue is known, the eigenvector(s) can be found via row operations). I find this state of affairs amazing, given that the HP 15C could do this over 30 years ago, even with its meek 1line segmented LCD display. Sadly, not even the 34S seems to include the 15C's functions to handle complex matrices via real matrices (I beg to be corrected on this!). I (and my students) will appreciate any info on this topic. SN 

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