text: base besseli besselj besselk bessely bin2dec bin2hex bin2oct complex convert dec2bin dec2hex dec2oct delta erf erfc gestep hex2bin hex2dec hex2oct imabs imaginary imargument imconjugate imcos imcosh imdiv imexp imln imlog10 imlog2 impower improduct imreal imsin imsinh imsqrt imsub imsum imtan imtanh oct2bin oct2dec oct2hexname